一堆煤(9/5)吨，用去了(1/5)，还剩多少吨．

A pile of coal (9/5) tons is used up (1/5), how many tons are left.

<gadget id="calculator">9 / 5</gadget>
<output>9/5 = around 1.8</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(9/5) * (4/5)</gadget>
<output>36/25 = around 1.44</output>
<result>36/25 = around 1.44</result>


一个长方体的棱长总和是128cm，长、宽、高的比是2：1：1，它的体积是多少cm**2．

The sum of the edge lengths of a cuboid is 128cm, and the ratio of length, width, and height is 2:1:1. What is its volume in cm**2.

<gadget id="calculator">128 / 4</gadget>
<output>32</output>
<gadget id="calculator">2 + 1 + 1</gadget>
<output>4</output>
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">32 * (1/2)</gadget>
<output>16</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">32 * (1/4)</gadget>
<output>8</output>
<gadget id="calculator">16 * 8 * 8</gadget>
<output>1_024</output>
<result>1_024</result>


李叔叔把50000元存入银行，整存整取五年，年利率是5.5%，到期时，李叔叔一共可以得到多少钱？

Uncle Li deposits 50,000 yuan in the bank and withdraws it in lump sum for five years, with an annual interest rate of 5.5%. How much money will Uncle Li get in total when it matures?

<gadget id="calculator">5.5 / 100</gadget>
<output>0.055</output>
<gadget id="calculator">50_000 * 0.055 * 5</gadget>
<output>13_750</output>
<gadget id="calculator">50_000 + 13_750</gadget>
<output>63_750</output>
<result>63_750</result>


3□6*3，当□里最大填多少时，积是三位数．

3□6*3, when the maximum number is filled in □, the product is three digits.


一个数的(2/3)是(4/5)，这个数是多少．

(2/3) of a number is (4/5), what is this number?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(4/5) / (2/3)</gadget>
<output>6/5 = around 1.2</output>
<result>6/5 = around 1.2</result>


已知两个加数的和是138，其中一个加数增加38，另一个加数增加47，求它们现在的和是多少？

It is known that the sum of two addends is 138, one of which is increased by 38, and the other is increased by 47, what is their current sum?

<gadget id="calculator">138 + 38 + 47</gadget>
<output>223</output>
<result>223</result>


学校十月份用水150吨，十一月份用水量比十月份节约了(1/5)，十一月份比十月份节约用水多少吨？

The school used 150 tons of water in October, and the water consumption in November was reduced by 1/5 compared to October. How many tons of water was saved in November compared to October?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">150 * (1/5)</gadget>
<output>30</output>
<result>30</result>


爸爸买了一辆价格为15万元的家用轿车．按规定需按所购车辆价格的10%缴纳车辆购置税，爸爸买这辆车一共需要花多少钱？

Dad bought a family car with a price of 150,000 yuan. According to regulations, the vehicle purchase tax must be paid at 10% of the price of the purchased vehicle. How much does Dad need to spend to buy this car?

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>
<gadget id="calculator">15 * (11/10)</gadget>
<output>33/2 = around 16.5</output>
<result>33/2 = around 16.5</result>


一个圆柱的体积是12.56立方厘米，底面直径是4厘米，它的高是多少厘米．

A cylinder has a volume of 12.56 cubic centimeters and a base diameter of 4 centimeters. What is its height in centimeters?

<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>
<gadget id="calculator">12.56 / 12.56</gadget>
<output>1</output>
<result>1</result>


一种钢笔每枝售价12元，迎"十一"举行"买5送1"活动，现在每枝比原价便宜多少钱？

A pen is priced at 12 yuan each, and a "buy 5 get 1 free" event is held to welcome the "11th". How much is each pen cheaper than the original price now?

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">12 * (5/6)</gadget>
<output>10</output>
<gadget id="calculator">12 - 10</gadget>
<output>2</output>
<result>2</result>


<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<result>2/5 = around 0.4</result>


一个数加上它的50%等于0.75，求这个数？

A number plus 50% of it is equal to 0.75. Find this number?

<gadget id="calculator">0.75 / 1.5</gadget>
<output>0.5</output>
<result>0.5</result>


水果店运进梨是苹果的筐数的(3/2)，卖出15筐梨后，苹果的筐数占梨的(4/5)．现在梨和苹果各有多少筐？

The number of baskets of pears brought in by the fruit shop is (3/2) of the number of baskets of apples. After selling 15 baskets of pears, the number of baskets of apples is (4/5) of that of pears. How many baskets are there of pears and apples?

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">(3/2) - (5/4)</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">15 / (1/4)</gadget>
<output>60</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">60 / (4/5)</gadget>
<output>75</output>
<result>75</result>


用3台拖拉机4小时可耕地1500公亩，用同样的拖拉机5台耕地2000公亩，需要多少小时？

How many hours will it take to cultivate 1,500 acres of land with 3 tractors in 4 hours, and 2,000 acres with 5 tractors?

<gadget id="calculator">2_000 / 5</gadget>
<output>400</output>
<gadget id="calculator">1_500 / 3 / 4</gadget>
<output>125</output>
<gadget id="calculator">400 / 125</gadget>
<output>16/5 = around 3.2</output>
<result>16/5 = around 3.2</result>


张华在新华书店买了2本《故事大王》和3盒磁带，共用去42元，每盒磁带8元，那么每本《故事大王》多少元？

Zhang Hua bought 2 copies of "Story King" and 3 cassettes at the Xinhua Bookstore. The total cost was 42 yuan, and each tape was 8 yuan. So how much is each "Story King"?

<gadget id="calculator">8 * 3</gadget>
<output>24</output>
<gadget id="calculator">42 - 24</gadget>
<output>18</output>
<gadget id="calculator">18 / 2</gadget>
<output>9</output>
<result>9</result>


一个圆柱形铁皮油桶，装了半桶油，把桶里的油倒出(2/5)，还剩24升．油桶的底面积是10平方分米，油桶的高多少？

A cylindrical tin oil barrel is filled with half a barrel of oil, and the oil in the barrel is poured out (2/5), and there are 24 liters left. The bottom area of the oil barrel is 10 square decimeters, what is the height of the oil barrel?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">24 / (3/5)</gadget>
<output>40</output>
<gadget id="calculator">40 * 2</gadget>
<output>80</output>
<gadget id="calculator">80 / 10</gadget>
<output>8</output>
<result>8</result>


某校有女教师72人，男教师比女教师人数的(2/3)少5人．全校有教师多少人？

There are 72 female teachers in a school, and the number of male teachers is 5 less than the number of female teachers (2/3). How many teachers are there in the school?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">72 * (2/3)</gadget>
<output>48</output>
<gadget id="calculator">48 - 5</gadget>
<output>43</output>
<gadget id="calculator">43 + 72</gadget>
<output>115</output>
<result>115</result>


要做一个底面边长是10厘米，高是24分米的长方体烟囱，至少要用多少平方分米的铁皮．

To make a cuboid chimney with a bottom side of 10 cm and a height of 24 decimeters, at least how many square decimeters of iron sheet should be used.

<gadget id="calculator">10 / 10</gadget>
<output>1</output>
<gadget id="calculator">1 * 4 * 24</gadget>
<output>96</output>
<result>96</result>


食堂给全校800个同学发苹果，每人发2个，总共有1984个苹果，还剩多少个？

The cafeteria distributes apples to 800 students in the whole school, and each person distributes 2 apples. There are 1984 apples in total. How many are left?

<gadget id="calculator">800 * 2</gadget>
<output>1_600</output>
<gadget id="calculator">1_984 - 1_600</gadget>
<output>384</output>
<result>384</result>


How many decimal places is the product of 0.375*0.44?


一个圆锥的底面直径是8分米，高是6分米，它的体积是多少．

What is the volume of a cone whose base diameter is 8 decimeters and height is 6 decimeters?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>
<gadget id="calculator">(1/3) * 3.14 * 16 * 6</gadget>
<output>100.48</output>
<result>100.48</result>


国庆节期间，天安门广场每天看花国庆节期间，天安门广场每天看花大约50万人，这样推算从十月一日到十月十五日，大约会有多少人看花？

During the National Day, Tiananmen Square sees flowers every day. During the National Day, about 500,000 people see flowers in Tiananmen Square every day. If we calculate from October 1st to October 15th, how many people will look at flowers?

<gadget id="calculator">50 * 15</gadget>
<output>750</output>
<result>750</result>


五一商场举行促销活动，一种手机8折出售，现售价是1600元．原来售价多少元？

The May 1st shopping mall held a promotional activity. A mobile phone was sold with a 20% discount. The current price is 1600 yuan. How much was the original price?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1_600 / (4/5)</gadget>
<output>2_000</output>
<result>2_000</result>


四年级数学下册第三单元测试题：一套校服，上衣59元，裤子41元，购买2套，一共需要多少元．

Fourth grade mathematics volume 3 unit test question: a set of school uniforms, jacket 59 yuan, trousers 41 yuan, buy 2 sets, how much is the total cost.

<gadget id="calculator">59 + 41</gadget>
<output>100</output>
<gadget id="calculator">100 * 2</gadget>
<output>200</output>
<result>200</result>


龙泉镇去年有小学生2800人，今年比去年增加了4%，今年有小学生多少人？

There were 2,800 primary school students in Longquan Town last year, an increase of 4% this year compared to last year. How many primary school students are there this year?

<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>
<gadget id="calculator">1 + (1/25)</gadget>
<output>26/25 = around 1.04</output>
<gadget id="calculator">2_800 * (26/25)</gadget>
<output>2_912</output>
<result>2_912</result>


将一根木棒锯成4段需要6分钟，则将这根木棒锯成6段需要多少分钟．

If it takes 6 minutes to saw a stick into 4 pieces, how many minutes will it take to saw the stick into 6 pieces?

<gadget id="calculator">4 - 1</gadget>
<output>3</output>
<gadget id="calculator">6 / 3</gadget>
<output>2</output>
<gadget id="calculator">6 - 1</gadget>
<output>5</output>
<gadget id="calculator">2 * 5</gadget>
<output>10</output>
<result>10</result>


把一个分数的分子缩小到原来的(1/2)，分母扩大到原来的3倍，这个分数就缩小到原来的多少．

If the numerator of a fraction is reduced to the original (1/2), and the denominator is expanded to 3 times the original, the fraction will be reduced to the original value.

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(1/2) / 3</gadget>
<output>1/6 = around 0.166667</output>
<result>1/6 = around 0.166667</result>


山东烟台是全国著名的"苹果之乡"，其优良品种"国光"今年亩产达到820千克．如果每千克"国光"苹果的价格是3.2元，又知"新星果园"的种植面积比去年扩大了6.5亩，那么这个果园比去年多收入多少元？

Yantai, Shandong is a famous "hometown of apples" in the whole country, and its excellent variety "Guoguang" has reached 820 kilograms per mu this year. If the price per kilogram of "Guoguang" apples is 3.2 yuan, and the planting area of "Xinxing Orchard" has increased by 6.5 mu compared with last year, how much more income will this orchard have than last year?

<gadget id="calculator">820 * 6.5 * 3.2</gadget>
<output>17_056</output>
<result>17_056</result>


水泥厂今年生产水泥35.5万吨，比去年增产了1.5万吨，两年一共生产水泥多少万吨？

The cement factory produced 355,000 tons of cement this year, an increase of 15,000 tons over last year. How many tons of cement were produced in two years?

<gadget id="calculator">35.5 - 1.5</gadget>
<output>34</output>
<gadget id="calculator">34 + 35.5</gadget>
<output>69.5</output>
<result>69.5</result>


同学们秋游共进午餐，一人一个饭碗，3人一个菜碗，6个人一个汤碗，一共用了321个碗，你知道有多少同学参加了秋游吗？试着用方程的知识解决．

The students had lunch together during the autumn outing. One rice bowl per person, one vegetable bowl for three people, one soup bowl for six people, and a total of 321 bowls were shared. Do you know how many students participated in the autumn outing? Try to use your knowledge of equations to solve it.

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 + (1/3) + (1/6)</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">321 / (3/2)</gadget>
<output>214</output>
<result>214</result>


某车间要生产一批零件，计划每天生产80个，15天完成．实际要10天完成，平均每天应生产多少个？(用比例知识解答)

A workshop needs to produce a batch of parts, and plans to produce 80 parts per day, which will be completed in 15 days. It actually takes 10 days to complete, how many should be produced on average per day? (Answer with proportional knowledge)

<gadget id="calculator">80 * 15</gadget>
<output>1_200</output>
<gadget id="calculator">1_200 / 10</gadget>
<output>120</output>
<result>120</result>


一桶油重60千克，用去(1/5)，还剩下多少千克．

A barrel of oil weighs 60 kilograms, if (1/5) is used up, how many kilograms are left?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">60 * (4/5)</gadget>
<output>48</output>
<result>48</result>


老师买回两种笔共16支奖给三好学生，其中铅笔每支0.4元，圆珠笔每支1.2元，买圆珠笔比买铅笔共多用了1.6元．求买这些笔共用去多少钱？

The teacher bought back a total of 16 pens of the two types and awarded them to the three good students. Among them, the pencil was 0.4 yuan each, and the ballpoint pen was 1.2 yuan each. Buying a ballpoint pen cost 1.6 yuan more than buying a pencil. How much did it cost to buy these pens?

<gadget id="calculator">0.4 * 16</gadget>
<output>6.4</output>
<gadget id="calculator">1.6 + 6.4</gadget>
<output>8</output>
<gadget id="calculator">1.2 + 0.4</gadget>
<output>1.6</output>
<gadget id="calculator">8 / 1.6</gadget>
<output>5</output>
<gadget id="calculator">1.2 * 5</gadget>
<output>6</output>
<gadget id="calculator">16 - 5</gadget>
<output>11</output>
<gadget id="calculator">0.4 * 11</gadget>
<output>4.4</output>
<gadget id="calculator">6 + 4.4</gadget>
<output>10.4</output>
<result>10.4</result>


红花有35朵，黄花比红花的2倍少10朵，两种花一共多少朵？

There are 35 safflowers, and 10 fewer yellow flowers than twice as many safflowers. How many flowers are there in total?

<gadget id="calculator">35 * 2</gadget>
<output>70</output>
<gadget id="calculator">70 - 10</gadget>
<output>60</output>
<gadget id="calculator">60 + 35</gadget>
<output>95</output>
<result>95</result>


α为自然数，下列算式中，a/多少得数最大．(a不为0)

α is a natural number, and in the following formulas, a/how many has the largest number. (a is not 0)

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<result>3/4 = around 0.75</result>


甲数比乙数少15，乙数是30，甲数是多少．

The number of A is 15 less than the number of B, and the number of B is 30. What is the number of A?

<gadget id="calculator">30 - 15</gadget>
<output>15</output>
<result>15</result>


果园有桃树和杏树共160棵，桃树是杏树的(3/5)，杏树有多少棵？

There are 160 peach trees and apricot trees in the orchard. The peach trees are 3/5 of the apricot trees. How many apricot trees are there?

<gadget id="calculator">3 + 5</gadget>
<output>8</output>
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">160 * (5/8)</gadget>
<output>100</output>
<result>100</result>


一个长方形的长是5厘米，宽是3厘米，它的周长是多少厘米．

If the length of a rectangle is 5 cm and the width is 3 cm, what is its perimeter in cm?

<gadget id="calculator">5 + 3</gadget>
<output>8</output>
<gadget id="calculator">2 * 8</gadget>
<output>16</output>
<result>16</result>


2012年"五一"期间，某电器商行对一款原价1600元的电视机，连续两次降价(1/10)进行促销，两次降价后的价钱是多少？

During the "May 1st" period in 2012, an electrical appliance firm reduced the price (1/10) of a TV with an original price of 1,600 yuan twice in a row for promotion. What is the price after the two price reductions?

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">1_600 * (9/10) * (9/10)</gadget>
<output>1_296</output>
<result>1_296</result>


一个环形垫片的外直径是6厘米，内直径是4厘米，垫片的面积是多少．

A circular gasket has an outer diameter of 6 cm and an inner diameter of 4 cm, what is the area of the gasket?

<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">9 - 4</gadget>
<output>5</output>
<gadget id="calculator">3.14 * 5</gadget>
<output>15.7</output>
<result>15.7</result>


The product of 240*68 and 24*how much is equal.


3辆三轮车能运同样苹果a箱，那么12辆三轮车可以运进同样苹果多少箱．

If 3 tricycles can transport the same box a of apples, then how many boxes of the same apple can be transported by 12 tricycles.


The product of 82*34 is how many times the product of 8.2*3.4.

<gadget id="calculator">10 * 10</gadget>
<output>100</output>
<result>100</result>


公交车到达一个站，有(4/7)的乘客下车，又上来12名，现在车上的乘客是原来的(6/7)．车上原来有乘客多少名？

The bus arrives at a station, some (4/7) passengers get off, and 12 more passengers come on, now the original (6/7) passengers are on the bus. How many passengers were there in the car?

<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>
<gadget id="calculator">1 - (4/7)</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">(6/7) - (3/7)</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">12 / (3/7)</gadget>
<output>28</output>
<result>28</result>


有一束花平均分给7个人，每人分5朵还剩下2朵，这束花原来有多少朵．

There is a bouquet of flowers distributed to 7 people on average, and 5 flowers are distributed to each person, and 2 flowers are left. How many flowers are there in this bouquet?

<gadget id="calculator">5 * 7</gadget>
<output>35</output>
<gadget id="calculator">35 + 2</gadget>
<output>37</output>
<result>37</result>


一个边长为8厘米的正方形，与一个高为5厘米的平行四边形的面积相等，它的面积是多少？

A square with a side length of 8 cm has the same area as a parallelogram with a height of 5 cm. What is its area?

<gadget id="calculator">8 * 8</gadget>
<output>64</output>
<result>64</result>


一条裤子120元，一件上衣的价格是一条裤子的2倍，要买这套衣服共需要多少钱？

A pair of trousers is 120 yuan, and the price of a jacket is twice that of a pair of trousers. How much does it cost to buy this suit?

<gadget id="calculator">120 * 2</gadget>
<output>240</output>
<gadget id="calculator">240 + 120</gadget>
<output>360</output>
<result>360</result>


把(9/10)、0.7、25%、0.43、(7/25)、(13/45)这6个数按从大到小的顺序排列起来．排在第五的数是多少．

Arrange the six numbers (9/10), 0.7, 25%, 0.43, (7/25), (13/45) in descending order. What is the fifth number.

<gadget id="calculator">7 / 25</gadget>
<output>7/25 = around 0.28</output>
<result>7/25 = around 0.28</result>


超市运来350件旺仔牛奶，上午卖出121件，下午卖出201件，还剩几件？

The supermarket shipped 350 pieces of Wangzai milk, sold 121 pieces in the morning and 201 pieces in the afternoon, how many pieces are left?

<gadget id="calculator">350 - 121 - 201</gadget>
<output>28</output>
<result>28</result>


乐乐今年7岁，爷爷年龄比乐乐的9倍少1岁，爷爷今年多少岁．

Lele is 7 years old this year, his grandfather is 1 year younger than Lele's 9 times, how old is his grandfather this year?

<gadget id="calculator">7 * 9</gadget>
<output>63</output>
<gadget id="calculator">63 - 1</gadget>
<output>62</output>
<result>62</result>


2台同样的抽水机，4小时可以浇地2.4公顷，一台抽水机每小时可以浇地多少公顷？

Two identical water pumps can irrigate 2.4 hectares of land in 4 hours, how many hectares of land can be irrigated by one water pump per hour?

<gadget id="calculator">2.4 / 2 / 4</gadget>
<output>0.3</output>
<result>0.3</result>


把一个长为7分米、宽5分米、高3分米的长方体木块锯成两个同样的小长方体，表面积最多增加多少平方分米．

If a cuboid block with a length of 7 decimeters, a width of 5 decimeters, and a height of 3 decimeters is sawed into two identical small cuboids, the surface area will be increased by how many square decimeters at most.

<gadget id="calculator">7 * 5 * 2</gadget>
<output>70</output>
<result>70</result>


一张直角三角形硬板纸，两条直角边AB与BC的比是2：3，AB长6厘米，如果以AB边为轴旋转一周，那么所形成的圆锥的体积是多少立方厘米．

A piece of right-angled triangle cardboard, the ratio of the two sides AB to BC is 2:3, and the length of AB is 6 cm. If it is rotated around the side AB as the axis, what is the volume of the cone formed?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">9 ** 2</gadget>
<output>81</output>
<gadget id="calculator">(1/3) * 3.14 * 81 * 6</gadget>
<output>508.68</output>
<result>508.68</result>


一辆汽车从甲地开往乙地，去时每小时行45千米，返回时每小时行60千米，往返一次共用了3.5小时．求往返的平均速度．

A car drives from place A to place B, traveling 45 kilometers per hour when going there, and traveling 60 kilometers per hour when returning. It takes 3.5 hours to go back and forth. Find the average round trip speed.

<gadget id="calculator">1 / 45</gadget>
<output>1/45 = around 0.022222</output>
<gadget id="calculator">1 / 60</gadget>
<output>1/60 = around 0.016667</output>
<gadget id="calculator">(1/45) + (1/60)</gadget>
<output>7/180 = around 0.038889</output>
<gadget id="calculator">2 / (7/180)</gadget>
<output>360/7 = around 51.428571</output>
<result>360/7 = around 51.428571</result>


李老师骑车上班，正常每天只需要30分钟．有一天下雨，途中有2千米路不好走，走这段路时，速度相当于原来的(2/5)，结果这天他用了39分钟才到．李老师家离学校有多少千米．

Teacher Li goes to work by bicycle, which usually only takes 30 minutes a day. One day it rained, and there were 2 kilometers of roads on the way that were difficult to walk. When walking this section of the road, the speed was equivalent to the original (2/5), but it took him 39 minutes to arrive that day. How many kilometers away is Mr. Li's home from the school?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/3) * 30</gadget>
<output>10</output>
<result>10</result>


小红说："我每天学习的时间占全天时间的(1/4)．"小红每天学习多少小时．

Xiaohong said: "My daily study time accounts for (1/4) of the whole day." How many hours does Xiaohong study every day?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">24 * (1/4)</gadget>
<output>6</output>
<result>6</result>


小敏期中考试语文、数学、英语三门功课的平均成绩是89.5分，语文89分，数学96分，英语是多少分？

Xiao Min's average score in Chinese, mathematics, and English in the mid-term exam is 89.5 points, 89 points in Chinese, and 96 points in mathematics. What is the score for English?

<gadget id="calculator">89.5 * 3</gadget>
<output>268.5</output>
<gadget id="calculator">268.5 - 89 - 96</gadget>
<output>83.5</output>
<result>83.5</result>


一捆电线长1千米，已经用去456米，还剩多少米？

A bundle of wires is 1 kilometer long, 456 meters have been used, how many meters are left?

<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>
<gadget id="calculator">1_000 - 456</gadget>
<output>544</output>
<result>544</result>


一个长方体的高减少了6cm，得到一个新的正方体，这个正方体的表面积比原长方体的表面积减少了240cm**2，原长方体的体积是多少立方厘米．

The height of a cuboid is reduced by 6cm, and a new cube is obtained. The surface area of this cube is reduced by 240cm**2 from the surface area of the original cuboid. What is the volume of the original cuboid in cubic centimeters?

<gadget id="calculator">240 / 4 / 6</gadget>
<output>10</output>
<gadget id="calculator">10 + 6</gadget>
<output>16</output>
<gadget id="calculator">10 * 10 * 16</gadget>
<output>1_600</output>
<result>1_600</result>


小华爸爸在银行里存人2000元，存定期两年，年利率是2.54%．到期时实际得到利息多少元？

Xiaohua's father deposits 2,000 yuan in the bank for two years, with an annual interest rate of 2.54%. How much interest do you actually get when it matures?

<gadget id="calculator">2.54 / 100</gadget>
<output>0.0254</output>
<gadget id="calculator">2_000 * 0.0254 * 2</gadget>
<output>101.6</output>
<result>101.6</result>


某地2011年四月份的降水量是41毫米，五月份的降水量比四月份多17毫米，六月份的降水量是前两个月总数的2倍．六月份的降水量是多少毫米？

In a certain place, the precipitation in April 2011 was 41 mm, the precipitation in May was 17 mm more than that in April, and the precipitation in June was twice the total of the previous two months. What is the precipitation in millimeters in June?

<gadget id="calculator">41 + 17 + 41</gadget>
<output>99</output>
<gadget id="calculator">99 * 2</gadget>
<output>198</output>
<result>198</result>


池塘里某种水草生长极快，当天的水草数量是它前一天的2倍，又知10天长满池塘，则多少天长了(1/4)池塘．

A certain aquatic plant grows very fast in the pond, and the number of aquatic plants on the current day is twice that of the previous day, and it is known that the pond is full in 10 days, so how many days will the pond grow (1/4).


妈妈买了苹果2千克，香蕉1千克，两种水果的价格都是2.5元每千克，那么一共花了多少钱？多少

Mom bought 2 kilograms of apples and 1 kilogram of bananas. The price of both fruits is 2.5 yuan per kilogram, so how much did you spend in total? How many

<gadget id="calculator">2 + 1</gadget>
<output>3</output>
<gadget id="calculator">2.5 * 3</gadget>
<output>7.5</output>
<result>7.5</result>


粮店库存面粉若干袋，第一天卖出库存的一半多4袋，第二天卖出剩下的一半少3袋，第三天运进30袋，这时粮店里共有面粉50袋，求粮店里原有面粉多少袋？

The grain store has several bags of flour in stock. On the first day, half of the stock is sold out and 4 bags are sold. On the second day, the remaining half is sold with 3 bags. On the third day, 30 bags are shipped in. At this time, there are 50 bags of flour in the grain store. How many bags of flour are there in the grain store?

<gadget id="calculator">50 - 30 - 3</gadget>
<output>17</output>
<gadget id="calculator">17 * 2</gadget>
<output>34</output>
<gadget id="calculator">34 + 4</gadget>
<output>38</output>
<gadget id="calculator">38 * 2</gadget>
<output>76</output>
<result>76</result>


六年级1班今天有48人到校上课，2人请假，今天的出勤率是多少

There are 48 people in Class 1, Grade 6, who came to school today, and 2 people asked for leave. What is the attendance rate today?

<gadget id="calculator">48 + 2</gadget>
<output>50</output>
<gadget id="calculator">48 / 50</gadget>
<output>24/25 = around 0.96</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(24/25) * 1</gadget>
<output>24/25 = around 0.96</output>
<result>24/25 = around 0.96</result>


<gadget id="calculator">4 * 1.5 * 3</gadget>
<output>18</output>
<gadget id="calculator">18 * 1.5</gadget>
<output>27</output>
<gadget id="calculator">18 + 27</gadget>
<output>45</output>
<result>45</result>


一条男裤原价420元，现按六五折出售，就是按多少元出售．

The original price of a pair of men's trousers is 420 yuan, and now they are sold at a 35% discount, which means they are sold at the same price.

<gadget id="calculator">65 / 100</gadget>
<output>13/20 = around 0.65</output>
<gadget id="calculator">420 * (13/20)</gadget>
<output>273</output>
<result>273</result>


有的偶数可以写成两个奇合数之和，如56=21+35、128=33+95；有的偶数则不能写成两个奇合数之和，如12就不能写成两个奇合数之和．那么，不能写成两个奇合数之和的偶数最大的是多少．

Some even numbers can be written as the sum of two odd composite numbers, such as 56=21+35, 128=33+95; some even numbers cannot be written as the sum of two odd composite numbers, such as 12 cannot be written as two odd composite numbers Sum. So, what is the largest even number that cannot be written as the sum of two odd composite numbers?

<gadget id="calculator">1 + 37</gadget>
<output>38</output>
<result>38</result>


一种产品，现价比原价降低了(2/9)，现价相当于原价的((())/(()))．

For a product, the current price is (2/9) lower than the original price, and the current price is equal to ((())/(())) of the original price.

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>
<gadget id="calculator">1 - (2/9)</gadget>
<output>7/9 = around 0.777778</output>
<result>7/9 = around 0.777778</result>


芳芳和红红跳绳比赛，芳芳3分钟跳了300下，红红2分钟跳了204下，谁跳得快？每分钟快多少下？

Fangfang and Honghong had a rope skipping competition. Fangfang jumped 300 times in 3 minutes, and Honghong jumped 204 times in 2 minutes. Who could jump faster? How many beats per minute?

<gadget id="calculator">204 / 2</gadget>
<output>102</output>
<gadget id="calculator">300 / 3</gadget>
<output>100</output>
<gadget id="calculator">102 - 100</gadget>
<output>2</output>
<result>2</result>


Find the law and fill in the blanks: 0.1, 0.2, 0.3, 0.5, 0.8, how much, 2.1.


王老板以2元/个的成本买入菠萝若干个，按照定价卖出了全部菠萝的(4/5)后，被迫降价为：5个菠萝只卖2元，直至卖完剩下的菠萝，最后一算，发现居然不亏也不赚，那么王老板一开始卖出菠萝的定价为多少元/个？

Boss Wang bought several pineapples at a cost of 2 yuan per piece. After selling all pineapples (4/5) according to the price, he was forced to reduce the price to 5 pineapples for only 2 yuan until the rest of the pineapples were sold out. At the end of the calculation, I found that there was neither a loss nor a profit, so how much did Boss Wang sell the pineapples at the beginning?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">2 - (2/5)</gadget>
<output>8/5 = around 1.6</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(4/5) / (1/5)</gadget>
<output>4</output>
<gadget id="calculator">(8/5) / 4</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">2 + (2/5)</gadget>
<output>12/5 = around 2.4</output>
<result>12/5 = around 2.4</result>


小胖要看一本300页的故事书，计划每天看10页，实际每天看12页．实际比计划少看多少天？

Xiao Pang wants to read a 300-page story book, and plans to read 10 pages a day, but actually reads 12 pages a day. How many days did you see less than planned?

<gadget id="calculator">300 / 10</gadget>
<output>30</output>
<gadget id="calculator">300 / 12</gadget>
<output>25</output>
<gadget id="calculator">30 - 25</gadget>
<output>5</output>
<result>5</result>


光明小学男生比女生多20%，那么女生比男生少多少

There are 20% more boys than girls in Guangming Primary School, so how much less are girls than boys?

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">(1/5) / (6/5)</gadget>
<output>1/6 = around 0.166667</output>
<result>1/6 = around 0.166667</result>


α是一个大于0的数，下面第α/多少个算式的得数最大．

α is a number greater than 0, and the following α/how many formulas have the largest number.

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<result>3/5 = around 0.6</result>


小明一家驾车到某景点游玩．从家出发到景点全程480千米，有(3/4)的路程走高速公路，平均时速100千米/时；有(1/4)的路程走二级公路，平均时速50千米/时．小明一家需要多少时间才能到达目的地？

Xiao Ming's family drove to a certain scenic spot to play. The whole journey is 480 kilometers from home to the scenic spot, and (3/4) of the journey takes the expressway, with an average speed of 100 kilometers per hour; (1/4) of the journey takes the secondary road, with an average speed of 50 kilometers per hour ． How long does it take for Xiao Ming's family to reach their destination?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">(3/4) / 100</gadget>
<output>3/400 = around 0.0075</output>
<gadget id="calculator">480 * (3/400)</gadget>
<output>18/5 = around 3.6</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/4) / 50</gadget>
<output>1/200 = around 0.005</output>
<gadget id="calculator">480 * (1/200)</gadget>
<output>12/5 = around 2.4</output>
<gadget id="calculator">(18/5) + (12/5)</gadget>
<output>6</output>
<result>6</result>


Think about it: Is the sum of 11+12+13+14+15+16+17+18+19 odd or even?


小红(1/5)小时行(3/8)千米，她每小时行多少千米．

Xiaohong travels (3/8) kilometers in (1/5) hours, how many kilometers does she travel per hour?

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(3/8) / (1/5)</gadget>
<output>15/8 = around 1.875</output>
<result>15/8 = around 1.875</result>


一条秋蚕吐的丝长约1.2千米，春蚕吐的丝要长一些，大约是秋蚕的2倍少0.9千米，一条春蚕吐的丝长约多少千米？

The silk spun by an autumn silkworm is about 1.2 kilometers long, and the silk spun by a spring silkworm is longer, about 0.9 kilometers less than twice that of the autumn silkworm. How many kilometers is the silk spun by a spring silkworm about?

<gadget id="calculator">1.2 * 2</gadget>
<output>2.4</output>
<gadget id="calculator">2.4 - 0.9</gadget>
<output>1.5</output>
<result>1.5</result>


一位农夫向邻居抱怨，他要支付8000个铜板以及若干小麦作为租赁一块农田一年的地租．他说，如果小麦的价格为每升75个铜板的话，这笔开销相当于每亩700个铜板，但是现在小麦的市价已经涨到了每升100个铜板，所以他支付的租金相当于每亩800个铜板．他认为地租太多了．那么，农夫所租赁的农田面积是多少亩．

A farmer complained to his neighbor that he had to pay 8,000 copper coins and some wheat as the land rent for leasing a piece of farmland for one year. He said that if the price of wheat was 75 coppers per liter, the expense was equivalent to 700 coppers per mu, but now the market price of wheat has risen to 100 coppers per liter, so the rent he paid was equivalent to 800 coppers per mu. a copper plate. He thinks the land rent is too much. So, what is the area of farmland leased by the farmer?

<gadget id="calculator">8_000 / 75</gadget>
<output>320/3 = around 106.666667</output>
<gadget id="calculator">(320/3) * 100</gadget>
<output>32_000/3 = around 10_666.666667</output>
<gadget id="calculator">(32_000/3) - 8_000</gadget>
<output>8_000/3 = around 2_666.666667</output>
<gadget id="calculator">700 / 75</gadget>
<output>28/3 = around 9.333333</output>
<gadget id="calculator">(28/3) * 100</gadget>
<output>2_800/3 = around 933.333333</output>
<gadget id="calculator">(2_800/3) - 800</gadget>
<output>400/3 = around 133.333333</output>
<gadget id="calculator">(8_000/3) / (400/3)</gadget>
<output>20</output>
<result>20</result>


甲数是108，乙数是549，甲乙两数的和是多少？

The number of A is 108, and the number of B is 549. What is the sum of the two numbers of A and B?

<gadget id="calculator">108 + 549</gadget>
<output>657</output>
<result>657</result>


苏州市出租车收费标准如下：3千米以内，收费标准10元，3千米以上，每增加1千米，再收2.4元．小红乘出租车从中央公园到家，付了26.8元，从中央公园到小红家大约有多少千米．

The taxi charges in Suzhou City are as follows: within 3 kilometers, the charge standard is 10 yuan, and for more than 3 kilometers, an additional 2.4 yuan will be charged for each additional kilometer. Xiaohong takes a taxi from Central Park to her home and pays 26.8 yuan. How many kilometers is it from Central Park to Xiaohong's home?

<gadget id="calculator">26.8 - 10</gadget>
<output>16.8</output>
<gadget id="calculator">16.8 / 2.4</gadget>
<output>7</output>
<gadget id="calculator">7 + 3</gadget>
<output>10</output>
<result>10</result>


一根长方体木料，长5米，横截面的面积是0.06平方米．这根木料的体积是多少？

A cuboid of wood is 5 meters long and has a cross-sectional area of 0.06 square meters. What is the volume of this piece of wood?

<gadget id="calculator">0.06 * 5</gadget>
<output>0.3</output>
<result>0.3</result>


日光灯管的包装盒是上、下两面为正方形的纸筒，正方形的周长是20厘米，纸筒长1米，日光灯管的表面积是多少平方厘米？

The packaging box of the fluorescent tube is a square paper tube with the upper and lower sides. The perimeter of the square is 20 cm, and the length of the paper tube is 1 meter. What is the surface area of the fluorescent tube in square centimeters?

<gadget id="calculator">20 / 4 / 2</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">(5/2) ** 2</gadget>
<output>25/4 = around 6.25</output>
<gadget id="calculator">3.14 * (25/4) * 2</gadget>
<output>39.25</output>
<gadget id="calculator">20 / 4</gadget>
<output>5</output>
<gadget id="calculator">3.14 * 5 * 1 * 100</gadget>
<output>1_570</output>
<gadget id="calculator">39.25 + 1_570</gadget>
<output>1_609.25</output>
<result>1_609.25</result>


四年级三个班到工具房领扫把，四年1班领走全部扫把的一半少7把，四年2班和四年3班各领走剩下扫把的一半．最后发现三个班级领的扫把同样多，四年1班领了多少把扫把．

The three classes of the fourth grade went to the tool room to get the brooms, the first class of the fourth year took half of all the brooms and less than 7, the second class of the fourth year and the third class of the fourth year each took half of the remaining brooms. Finally, it was found that the three classes received the same number of brooms, how many brooms did Class 1 receive in the fourth year?

<gadget id="calculator">7 * 2</gadget>
<output>14</output>
<gadget id="calculator">14 + 7</gadget>
<output>21</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(1/2) * 2</gadget>
<output>1</output>
<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">21 / (1/2) / 2</gadget>
<output>21</output>
<gadget id="calculator">21 - 7</gadget>
<output>14</output>
<result>14</result>


一个篮球60元，足球的价格比篮球的3倍少20元，篮球的价格比足球便宜多少元？

A basketball is 60 yuan, and the price of a football is 20 yuan less than three times that of a basketball. How much is the price of a basketball cheaper than a football?

<gadget id="calculator">60 * 3</gadget>
<output>180</output>
<gadget id="calculator">180 - 20</gadget>
<output>160</output>
<result>160</result>


六年级一班女生人数占全班人数的60%，男生有16人，女生有多少人？

The number of girls in class one of the sixth grade accounts for 60% of the whole class, there are 16 boys, how many girls are there?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">16 / (2/5)</gadget>
<output>40</output>
<gadget id="calculator">40 - 16</gadget>
<output>24</output>
<result>24</result>


一个圆柱形容器，底面直径10厘米，高15厘米．将一个土豆没入水中，水面上升4厘米，这个土豆的体积是多少立方厘米．

cylindrical container with a base diameter of 10 cm and a height of 15 cm. If a potato is submerged in water and the water level rises by 4 cm, what is the volume of the potato in cubic centimeters?

<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">3.14 * 25 * 4</gadget>
<output>314</output>
<result>314</result>


明明和军军一起比赛跳绳，明明4分钟跳608下，军军8分钟跳816下，明明每分钟比军军多跳多少下？

Mingming competed with Junjun in the rope skipping competition. Mingming jumped 608 times in 4 minutes, and Junjun jumped 816 times in 8 minutes. How much more jumps per minute than Junjun?

<gadget id="calculator">608 / 4</gadget>
<output>152</output>
<gadget id="calculator">816 / 8</gadget>
<output>102</output>
<gadget id="calculator">152 - 102</gadget>
<output>50</output>
<result>50</result>


学校把一批图书放在甲、乙两个书架上，甲书架上的图书占总数的(3/5)，如果从甲书架拿50本书到乙书架，这时乙书架上的图书占总数的(9/20)．这批图书一共有多少本？

The school puts a batch of books on two bookshelves, A and B. The books on A bookshelf account for 3/5 of the total. If 50 books are taken from A bookshelf to B bookshelf, then the books on B bookshelf account for the total of (9/20). How many books are there in total?

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">9 / 20</gadget>
<output>9/20 = around 0.45</output>
<gadget id="calculator">1 - (9/20)</gadget>
<output>11/20 = around 0.55</output>
<gadget id="calculator">(3/5) - (11/20)</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">50 / (1/20)</gadget>
<output>1_000</output>
<result>1_000</result>


一段圆柱形榆木，它的底面半径是15cm，长2m，把它加工成一根最大的方木，方木的面积是多少？

A piece of cylindrical elm wood has a base radius of 15cm and a length of 2m. If it is processed into the largest square wood, what is the area of the square wood?

<gadget id="calculator">15 / 2</gadget>
<output>15/2 = around 7.5</output>
<gadget id="calculator">15 * 2 * (15/2)</gadget>
<output>225</output>
<gadget id="calculator">2 * 100</gadget>
<output>200</output>
<gadget id="calculator">225 * 2 * 200</gadget>
<output>90_000</output>
<result>90_000</result>


光明村要修一条长1200米的公路，修了它的(3/5)，修了多少米？

Guangming Village needs to build a road with a length of 1,200 meters. (3/5) of it has been built. How many meters have been built?

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1_200 * (3/5)</gadget>
<output>720</output>
<result>720</result>


做一批儿童玩具，甲组单独做10天完成，乙组单独做12天完成，丙组每天可生产64件，如果让甲、乙两组合作4天，则还有256件没完成，现在决定三个组合做这批玩具，需要多少天完成？

To make a batch of children's toys, group A alone can complete it in 10 days, group B alone can complete it in 12 days, and group C can produce 64 pieces per day. If two groups A and B cooperate for 4 days, there are still 256 pieces to be completed. Now Decide on three combinations to make this batch of toys, how many days will it take to complete?

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">(1/10) + (1/12)</gadget>
<output>11/60 = around 0.183333</output>
<gadget id="calculator">(11/60) * 4</gadget>
<output>11/15 = around 0.733333</output>
<gadget id="calculator">1 - (11/15)</gadget>
<output>4/15 = around 0.266667</output>
<gadget id="calculator">256 / (4/15)</gadget>
<output>960</output>
<gadget id="calculator">960 / 10</gadget>
<output>96</output>
<gadget id="calculator">960 / 12</gadget>
<output>80</output>
<gadget id="calculator">96 + 80 + 64</gadget>
<output>240</output>
<gadget id="calculator">960 / 240</gadget>
<output>4</output>
<result>4</result>


小明参加班委竞选，已知全班共40人，有6人投了反对票，2人投了弃权票，其余的学生都投了赞成票，那么小明的得票率是：多少．

Xiao Ming participates in the class committee election. It is known that there are 40 students in the class, 6 of them voted against, 2 of them abstained from voting, and the rest of the students voted in favor. Then Xiao Ming’s vote rate is: how much.

<gadget id="calculator">40 - 6 - 2</gadget>
<output>32</output>
<gadget id="calculator">32 / 40</gadget>
<output>4/5 = around 0.8</output>
<result>4/5 = around 0.8</result>


一个等腰直角三角形的两条直角边长度之和是40厘米，这个三角形的面积是多少平方厘米．

If the sum of the two sides of an isosceles right triangle is 40 cm, what is the area of the triangle in square centimeters?

<gadget id="calculator">40 / 2</gadget>
<output>20</output>
<gadget id="calculator">20 / 2</gadget>
<output>10</output>
<gadget id="calculator">20 * 10</gadget>
<output>200</output>
<result>200</result>


一所小学扩建校舍，原计划投资28万元，实际投资比原计划节省了(1/7)，实际投资多少万元？

An elementary school expanded the school building. The original plan was to invest 280,000 yuan, but the actual investment was 1/7 less than the original plan. How much was the actual investment?

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>
<gadget id="calculator">28 * (1/7)</gadget>
<output>4</output>
<gadget id="calculator">28 - 4</gadget>
<output>24</output>
<result>24</result>


一个长方形的周长是88cm，长是30cm，它是面积是多少cm**2？

The perimeter of a rectangle is 88cm and the length is 30cm. What is its area in cm**2?

<gadget id="calculator">88 / 2</gadget>
<output>44</output>
<gadget id="calculator">44 - 30</gadget>
<output>14</output>
<gadget id="calculator">30 * 14</gadget>
<output>420</output>
<result>420</result>


把一条绳子分别等分折成5股和6股，如果折成5股比折成6股长20厘米，那么这根绳子的长度是多少米．

Fold a rope into 5 strands and 6 strands respectively. If the length of 5 strands is 20 cm longer than that of 6 strands, what is the length of the strand in meters?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/5) - (1/6)</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">20 / (1/30) / 100</gadget>
<output>6</output>
<result>6</result>


甲、乙两车以5：4的速度，同时从A、B两地相对开出，相遇后，乙车提速，每小时比原来多行18千米，结果两车恰好同时到达对方出发地，总用时6小时，A、B两地相距多少千米？

Car A and car B drive out from places A and B at the same time at a speed of 5:4. After meeting, car B speeds up and travels 18 kilometers longer than before. As a result, the two cars arrive at the starting point of the other side at the same time. The total time is 6 hours, how many kilometers is the distance between A and B?

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(5/4) - (4/5)</gadget>
<output>9/20 = around 0.45</output>
<gadget id="calculator">18 / (9/20)</gadget>
<output>40</output>
<gadget id="calculator">40 * (4/5)</gadget>
<output>32</output>
<gadget id="calculator">40 + 32</gadget>
<output>72</output>
<gadget id="calculator">1 + (4/5)</gadget>
<output>9/5 = around 1.8</output>
<gadget id="calculator">6 / (9/5)</gadget>
<output>10/3 = around 3.333333</output>
<gadget id="calculator">72 * (10/3)</gadget>
<output>240</output>
<result>240</result>


9216可写成两个自然数的积，这两个自然数的和最小可以达到多少．

9216 can be written as the product of two natural numbers. What is the minimum sum of these two natural numbers?

<gadget id="calculator">96 + 96</gadget>
<output>192</output>
<result>192</result>


一块长24cm的长方形铁皮，在四角上剪去边长为3厘米的正方形，将剩余部分焊接成一个盒子，已知盒子的容积是486立方厘米，这块铁皮原来宽多少厘米？

rectangular iron sheet with a length of 24 cm, cut off a square with a side length of 3 cm from the four corners, and weld the remaining part to form a box. The volume of the box is known to be 486 cubic centimeters. How many centimeters is the original width of this iron sheet?


用一张长5厘米，宽3厘米的长方形纸片，剪一个最大的圆，这个圆的周长是多少．

Use a piece of rectangular paper with a length of 5 cm and a width of 3 cm to cut out the largest circle. What is the circumference of this circle?

<gadget id="calculator">3.14 * 3</gadget>
<output>9.42</output>
<result>9.42</result>


一根绳子长(9/10)米，第一次剪去(1/5)米，第二次比第一次多剪去(1/10)米，问现在还剩下多少米？

A rope is (9/10) meters long, cut off (1/5) meters for the first time, and cut (1/10) meters more than the first time for the second time, how many meters are left now?

<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(1/5) + (1/5) + (1/10)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(9/10) - (1/2)</gadget>
<output>2/5 = around 0.4</output>
<result>2/5 = around 0.4</result>


小熊猫抱着一堆玩具玩儿，丢掉的比抱着的多4个，走在路上又丢掉2个，这时丢掉的是抱着的3倍．问这堆玩具有多少个．

The little panda was playing with a bunch of toys, and lost 4 more toys than it was holding, and lost 2 more while walking on the road. At this time, it lost 3 times as much as it was holding. Ask how many toys there are in this pile.

<gadget id="calculator">3 * 2</gadget>
<output>6</output>
<gadget id="calculator">4 + 2 + 6</gadget>
<output>12</output>
<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">12 / 2</gadget>
<output>6</output>
<gadget id="calculator">6 + 6 + 4</gadget>
<output>16</output>
<result>16</result>


小刚原来有些画片，朋友送给他5张，他又送给弟弟3张，后来又买了24张，这时共有33张画片．小刚原有多少张画片？

Xiao Gang used to have some pictures, his friend gave him 5, he gave his younger brother 3, and later bought 24, so there are 33 pictures in total. How many pictures does Xiao Gang have?

<gadget id="calculator">33 - 24</gadget>
<output>9</output>
<gadget id="calculator">3 - 5</gadget>
<output>-2</output>
<gadget id="calculator">9 + (-2)</gadget>
<output>7</output>
<result>7</result>


修一段900米长的公路，甲队单独做20天完成，乙队单独做30天完成．两队合做几天可以完成？

To build a 900-meter-long road, Team A will complete it in 20 days alone, and Team B will complete it in 30 days alone. How many days can the two teams work together to complete?

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">(1/20) + (1/30)</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">1 / (1/12)</gadget>
<output>12</output>
<result>12</result>


一筐水果，第1天卖出它的(2/5)，第2天卖出10千克，两天共卖出这筐水果的(1/2)．这筐水果原有多少千克？

For a basket of fruit, (2/5) of it is sold on the first day, and 10 kg is sold on the second day, and (1/2) of this basket of fruit is sold in two days. How many kilograms is this basket of fruit?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(1/2) - (2/5)</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">10 / (1/10)</gadget>
<output>100</output>
<result>100</result>


小明到动物园，去时骑自行车，每小时行6千米，回来时步行，每小时3千米，来回共用6小时，求小明到动物园距离．

When Xiao Ming goes to the zoo, he rides a bicycle and travels 6 kilometers per hour. When he comes back, he walks at 3 kilometers per hour. It takes 6 hours to go back and forth. Find the distance between Xiao Ming and the zoo.

<gadget id="calculator">1 + 2</gadget>
<output>3</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">6 * (1/3)</gadget>
<output>2</output>
<gadget id="calculator">6 * 2</gadget>
<output>12</output>
<result>12</result>


工厂用货车运回22.5吨煤，用载重4.5吨的汽车运，需要几辆车？

The factory uses trucks to transport 22.5 tons of coal back, and uses 4.5 tons of trucks to transport it. How many vehicles are needed?

<gadget id="calculator">22.5 / 4.5</gadget>
<output>5</output>
<result>5</result>


一项工程，甲、乙两人合作8天可以完成，乙、丙两合作6天可以完成，丙、丁两人合作12天可以完成，那么甲、丁两人合作多少天可以完成？

A project can be completed in 8 days by the cooperation of A and B, 6 days by the cooperation of B and C, and 12 days by the cooperation of C and D. How many days can it be completed by the cooperation of A and D?

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/12) - (1/6)</gadget>
<output>-1/12 = around -0.083333</output>
<gadget id="calculator">(1/8) + (-1/12)</gadget>
<output>1/24 = around 0.041667</output>
<gadget id="calculator">1 / (1/24)</gadget>
<output>24</output>
<result>24</result>


一个长方形和一个正方形的周长相等．已知长方形的长是5厘米，宽是3厘米．正方形的边长是多少厘米．

A rectangle and a square have the same perimeter. It is known that the length of the rectangle is 5 cm and the width is 3 cm. What is the side length of the square in centimeters.

<gadget id="calculator">5 + 3</gadget>
<output>8</output>
<gadget id="calculator">8 * 2</gadget>
<output>16</output>
<gadget id="calculator">16 / 4</gadget>
<output>4</output>
<result>4</result>


有一块正方形的玻璃，边长3分米，要想在它的周围镶金边，则金属边至少应多长？

There is a square glass with a side length of 3 decimeters. If you want to inlay a gold border around it, what is the minimum length of the metal side?

<gadget id="calculator">3 * 4</gadget>
<output>12</output>
<result>12</result>


一个工程要修一条长1900米的公路，修了4个月，还剩下100米，平均每月修路多少米？

A project needs to build a road with a length of 1,900 meters. After 4 months of repairing, there are still 100 meters left. How many meters of road is repaired per month on average?

<gadget id="calculator">1_900 - 100</gadget>
<output>1_800</output>
<gadget id="calculator">1_800 / 4</gadget>
<output>450</output>
<result>450</result>


一个油箱长1.2米宽1米高5分米，如果把120升汽油加入油箱中，油箱中汽油应是多高？

fuel tank is 1.2 meters long, 1 meter wide and 5 decimeters high. If 120 liters of gasoline are added to the fuel tank, how high should the gasoline in the fuel tank be?

<gadget id="calculator">1.2 * 10 * 1 * 10</gadget>
<output>120</output>
<gadget id="calculator">120 / 120</gadget>
<output>1</output>
<result>1</result>


<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">7 / 16</gadget>
<output>7/16 = around 0.4375</output>
<gadget id="calculator">8 / 32</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">9 / 64</gadget>
<output>9/64 = around 0.140625</output>
<gadget id="calculator">3 + 2 + (5/4) + (7/16) + (1/4) + (9/64)</gadget>
<output>453/64 = around 7.078125</output>
<gadget id="calculator">(1/4) * (453/64)</gadget>
<output>453/256 = around 1.769531</output>
<result>453/256 = around 1.769531</result>


新星小学有15人参加植树活动．男同学每人栽6棵，女同学每人栽5棵，一共栽84棵树．男同学有多少人．

15 people from Xinxing Primary School participated in the tree planting activity. Each of the male students planted 6 trees, and each of the female students planted 5 trees, a total of 84 trees were planted. How many male students are there?


甲、乙两地之间有一座桥．A小姐上午10点18分从甲地出发，于下午1点30分到达乙地；B先生上午9点从乙地出发，于上午11点40分到达甲地．A和B恰好同时到达桥的两端(面对面)A走完桥比B走完桥多用了1分钟．问几点几分他们同时到达桥的两端？

There is a bridge between A and B. Miss A departs from A at 10:18 am and arrives at B at 1:30 pm; Mr. B departs from B at 9 am and arrives at A at 11:40 am. A and B arrive at both ends of the bridge at the same time (face-to-face). It takes 1 minute longer for A to complete the bridge than for B to complete the bridge. What time did they arrive at both ends of the bridge at the same time?


会场里有双人椅和四座长椅各若干把，某年级学生(不足70人)来开会，一部分学生一人坐一把双人椅，其余的三人坐一把四座长椅，结果平均每名学生占1.35个座位，这次共有多少名学生参加会议？

There are a number of double chairs and four benches in the venue. Students of a certain grade (less than 70 people) come to the meeting, some students sit on a double chair, and the rest three sit on a four-seater bench. 1. 35 seats, how many students will attend the conference this time?

<gadget id="calculator">40 * 1</gadget>
<output>40</output>
<result>40</result>


一圆锥形沙滩，量得底面周长12.56米，高1.5米．如果1立方米沙重1.6吨．这堆沙重多少吨？

conical sandy beach measures 12.56 meters in circumference and 1.5 meters in height. If 1 cubic meter of sand weighs 1.6 tons. How many tons does this pile of sand weigh?

<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">3.14 * 4 * 1.5 * (1/3)</gadget>
<output>6.28</output>
<gadget id="calculator">1.6 * 6.28</gadget>
<output>10.048</output>
<result>10.048</result>


明德小学有150人参加汉字听写大会，有12人获得一等奖，获得二等奖的人数占总人数的14%，获得三等奖的人数比获得二等奖的多占总人数的6%．有多少人获得三等奖？

There were 150 people from Mingde Primary School participated in the Chinese character dictation conference, 12 people won the first prize, the number of people who won the second prize accounted for 14% of the total number of people, and the number of people who won the third prize was 6% more than the number of people who won the second prize %． How many people won the third prize?

<gadget id="calculator">6 / 100</gadget>
<output>3/50 = around 0.06</output>
<gadget id="calculator">14 / 100</gadget>
<output>7/50 = around 0.14</output>
<gadget id="calculator">(3/50) + (7/50)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">150 * (1/5)</gadget>
<output>30</output>
<result>30</result>


一列火车7时30分从甲地开出，每小时行95千米，下午5时30分到达乙地，甲、乙两地相距多少千米？

A train departs from place A at 7:30, travels 95 kilometers per hour, and arrives at place B at 5:30 pm. How many kilometers are there between places A and B?

<gadget id="calculator">95 * 10</gadget>
<output>950</output>
<result>950</result>


有20吨货物，如果每次运走它的25%，则多少次可以运完．

There are 20 tons of goods, if 25% of it is transported each time, how many times can it be transported.

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 / (1/4)</gadget>
<output>4</output>
<result>4</result>


书架上层有6本不同的数学书，下层有5本不同的语文书，若任意从书架上取一本数学书和一本语文书，有多少种不同的取法？

There are 6 different math books on the upper shelf and 5 different Chinese books on the lower shelf. If you randomly take a math book and a Chinese book from the bookshelf, how many different ways are there?

<gadget id="calculator">6 * 5</gadget>
<output>30</output>
<result>30</result>


玉米种子做发芽实验，其中有200颗发芽了，没发芽的有50颗，这批玉米种子的发芽率是多少．

A corn seed germination experiment is conducted. 200 of them germinated and 50 did not germinate. What is the germination rate of this batch of corn seeds?

<gadget id="calculator">200 + 50</gadget>
<output>250</output>
<gadget id="calculator">200 / 250</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(4/5) * 1</gadget>
<output>4/5 = around 0.8</output>
<result>4/5 = around 0.8</result>


一个三角形的面积是18平方厘米，高是4厘米，它的底是多少厘米．

The area of a triangle is 18 square centimeters, the height is 4 centimeters, what is its base in centimeters?

<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">18 * (1/2)</gadget>
<output>9</output>
<result>9</result>


(2/7)的分子加上8，要使分数的大小不变，分母应该加上多少

Add 8 to the numerator of (2/7), how much should be added to the denominator to keep the size of the fraction unchanged

<gadget id="calculator">2 + 8</gadget>
<output>10</output>
<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">7 * 5</gadget>
<output>35</output>
<gadget id="calculator">35 - 7</gadget>
<output>28</output>
<result>28</result>


小华家到学校有500米，她每天在家和学校之间往返2个来回(来回就是一去一回)，她每天行多少米？

Xiaohua's home is 500 meters away from school, and she goes back and forth between home and school twice a day (one round trip is one round trip), how many meters does she walk every day?


妈妈买了8个芦柑，共重(8/3)千克，如果芦柑的大小基本一样，那么每千克大约有几个芦柑？

My mother bought 8 oranges, weighing (8/3) kilograms in total. If the oranges are basically the same size, how many oranges are there per kilogram?

<gadget id="calculator">8 / 3</gadget>
<output>8/3 = around 2.666667</output>
<gadget id="calculator">8 / (8/3)</gadget>
<output>3</output>
<result>3</result>


李师傅0.25小时做3个零件，平均每小时做多少个零件．

Master Li makes 3 parts in 0.25 hours, how many parts are made per hour on average.

<gadget id="calculator">3 / 0.25</gadget>
<output>12</output>
<result>12</result>


一个圆形花坛的直径为5米，要在它的边上镶一圈合金，需要合金多少米？

The diameter of a circular flower bed is 5 meters, how many meters of alloy is needed to inlay a circle of alloy on its side?

<gadget id="calculator">3.14 * 5</gadget>
<output>15.7</output>
<result>15.7</result>


一辆汽车轮胎的外直径约是70厘米，如果平均每分钟转1000转，这辆汽车每分钟行驶多少米？

The outer diameter of a car tire is about 70 centimeters. If the average speed is 1000 revolutions per minute, how many meters does the car travel per minute?

<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">3.14 * (7/10) * 1_000</gadget>
<output>2_198</output>
<result>2_198</result>


找规律：4、7、9、15、16、31、25、多少．

Find the pattern: 4, 7, 9, 15, 16, 31, 25, how much.

<gadget id="calculator">8 * 1</gadget>
<output>8</output>
<gadget id="calculator">8 * 2</gadget>
<output>16</output>
<gadget id="calculator">8 * 3</gadget>
<output>24</output>
<gadget id="calculator">7 + 8 + 16 + 24</gadget>
<output>55</output>
<result>55</result>


在仁川亚运会十米气枪决赛中，某运动员第一枪打出9.8环，第二枪还差0.4环就得9.9环，他前两枪一共打出多少环？

In the 10-meter air gun final of the Incheon Asian Games, an athlete scored 9.8 in the first shot, and 9.9 in the second shot. How many rings did he score in the first two shots?

<gadget id="calculator">9.9 - 0.4</gadget>
<output>9.5</output>
<gadget id="calculator">9.5 + 9.8</gadget>
<output>19.3</output>
<result>19.3</result>


一个平行四边形的果园，底是37米，高是12.8米．如果每平方米施肥0.3千克，这个果园一共需施肥多少千克？

A parallelogram orchard has a base of 37 meters and a height of 12.8 meters. If 0.3 kilograms of fertilizer is applied per square meter, how many kilograms of fertilizer does this orchard need to fertilize in total?

<gadget id="calculator">37 * 12.8</gadget>
<output>473.6</output>
<gadget id="calculator">0.3 * 473.6</gadget>
<output>142.08</output>
<result>142.08</result>


工程队整修河道，上午整修了(2/5)千米，下午整修了(1/4)千米，全天共整修河道多少千米？

The engineering team refurbished the river course, repairing (2/5) kilometers in the morning and (1/4) kilometers in the afternoon. How many kilometers of river courses were rebuilt in the whole day?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(2/5) + (1/4)</gadget>
<output>13/20 = around 0.65</output>
<result>13/20 = around 0.65</result>


果园里有苹果树40棵，比梨树的棵数少(1/5)，梨树的棵数比桃树的棵数多(1/4)．桃树多少棵？

There are 40 apple trees in the orchard, which are less than the number of pear trees (1/5), and the number of pear trees is more than the number of peach trees (1/4). How many peach trees?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(5/4) * (4/5)</gadget>
<output>1</output>
<gadget id="calculator">40 / 1</gadget>
<output>40</output>
<result>40</result>


王教授进行了一项科学实验，成功了75次，失败了5次，这项实验的成功率是多少？

Professor Wang conducted a scientific experiment, which succeeded 75 times and failed 5 times. What is the success rate of this experiment?

<gadget id="calculator">75 + 5</gadget>
<output>80</output>
<gadget id="calculator">75 / 80</gadget>
<output>15/16 = around 0.9375</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(15/16) * 1</gadget>
<output>15/16 = around 0.9375</output>
<result>15/16 = around 0.9375</result>


从100里面连续减去多少个5，结果是0．

How many consecutive 5s are subtracted from 100, and the result is 0.

<gadget id="calculator">100 / 5</gadget>
<output>20</output>
<result>20</result>


服装店过去5天制作75套服装，现在每天制作18套，现在比过去每天多制作多少套服装？

The clothing store made 75 outfits in the past 5 days, and now it makes 18 outfits a day. How many more outfits are it making every day than in the past?

<gadget id="calculator">75 / 5</gadget>
<output>15</output>
<gadget id="calculator">18 - 15</gadget>
<output>3</output>
<result>3</result>


一根绳子长10m，截去(1/5)后，又接上5m，这根绳子现在长多少m．

A rope is 10m long, cut off (1/5) and then reconnected with 5m, what is the current length of the rope in m?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">10 * (4/5)</gadget>
<output>8</output>
<gadget id="calculator">8 + 5</gadget>
<output>13</output>
<result>13</result>


将一个半径是5厘米的圆分成10等分后，拼成一个近似的长方形，这个长方形的长是多少厘米．

Divide a circle with a radius of 5 cm into 10 equal parts and form an approximate rectangle. What is the length of this rectangle in cm?

<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">2 * 3.14 * (5/2)</gadget>
<output>15.7</output>
<result>15.7</result>


从1，2，3，4，…，100中取出若干个数，使得它们中任意两个数的和都不可能是9的倍数，请问至多能取多少个．

Take several numbers from 1, 2, 3, 4, ..., 100, so that the sum of any two numbers among them cannot be a multiple of 9, how many can be taken at most?

<gadget id="calculator">11 * 3</gadget>
<output>33</output>
<gadget id="calculator">12 + 33 + 1</gadget>
<output>46</output>
<result>46</result>


甲、乙两个书架共有书300本，乙书架上书的本数是甲书架上的(2/3)，甲书架上有书多少本？

There are 300 books in total on the two bookshelves A and B. The number of books on the B bookshelf is (2/3) that on the A bookshelf. How many books are there on the A bookshelf?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>
<gadget id="calculator">300 / (5/3)</gadget>
<output>180</output>
<result>180</result>


公园里有一个周长是100米的圆形花坛，要在花坛一周摆月季花，相邻两盆之间的距离是2.5米．花坛周围一共可以摆多少盆月季花？

There is a circular flower bed with a circumference of 100 meters in the park. To place rose flowers around the flower bed, the distance between two adjacent pots is 2.5 meters. How many pots of roses can be placed around the flower bed?

<gadget id="calculator">100 / 2.5</gadget>
<output>40</output>
<result>40</result>


一个学生在做三位数乘一位数的乘法时，由于马虎，把三位数789抄成了786，使结果比正确答案少了18，这个一位数是多少

When a student multiplied a three-digit number by a one-digit number, due to carelessness, he copied the three-digit number 789 into 786, which made the result 18 less than the correct answer. What is the one-digit number?

<gadget id="calculator">789 - 786</gadget>
<output>3</output>
<gadget id="calculator">18 / 3</gadget>
<output>6</output>
<result>6</result>


一个长方形的操场，周长是400米，它的长是120米，宽是多少米．

A rectangular playground has a perimeter of 400 meters, its length is 120 meters, and its width is in meters.

<gadget id="calculator">400 / 2</gadget>
<output>200</output>
<gadget id="calculator">200 - 120</gadget>
<output>80</output>
<result>80</result>


甲、乙、丙三个网站定期更新，甲网站每隔一天更新1次，乙网站每隔两天更新1次，丙网站每隔三天更新1次．在一个星期内，三个网站最少更新网站多少次．

Websites A, B, and C are updated regularly. Website A is updated every other day, website B is updated every two days, and website C is updated every three days. In a week, how many times should the three websites update the website at least.

<gadget id="calculator">3 + 2 + 1</gadget>
<output>6</output>
<result>6</result>


一个扇形的两半径的夹角60°，它的面积是所在圆面积的((())/(()))．

The angle between the two radii of a sector is 60°, and its area is ((())/(())) of the area of the circle on which it is located.

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<result>1/6 = around 0.166667</result>


一份稿件，小红录入(4/5)后还剩450个字，这份稿件共有多少个字？

For a manuscript, there are 450 characters left after Xiaohong enters (4/5). How many characters are there in this manuscript?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">450 / (1/5)</gadget>
<output>2_250</output>
<result>2_250</result>


六1班有50人，某天该班出勤率为96%，这天缺席多少人．

There are 50 people in Class 1 of June. On a certain day, the attendance rate of this class is 96%. How many people are absent on this day?

<gadget id="calculator">96 / 100</gadget>
<output>24/25 = around 0.96</output>
<gadget id="calculator">1 - (24/25)</gadget>
<output>1/25 = around 0.04</output>
<gadget id="calculator">50 * (1/25)</gadget>
<output>2</output>
<result>2</result>


三年级同学去秋游，男生共有175人，女生共有169人．每8个同学分1组，一共可以分成多少组？

There are 175 boys and 169 girls in the third grade who went on an autumn outing. Every 8 students are divided into 1 group, how many groups can they be divided into?

<gadget id="calculator">175 + 169</gadget>
<output>344</output>
<gadget id="calculator">344 / 8</gadget>
<output>43</output>
<result>43</result>


一根绳子长10米，现在把它剪成两段，使其中一段的长度等于另一段的(1/4)．这两段绳子的长度相差多少米？

A rope is 10 meters long. Now cut it into two pieces so that the length of one piece is equal to (1/4) of the other. What is the difference in length between the two lengths of rope?

<gadget id="calculator">4 + 1</gadget>
<output>5</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">10 * (1/5)</gadget>
<output>2</output>
<gadget id="calculator">10 - 2</gadget>
<output>8</output>
<gadget id="calculator">8 - 2</gadget>
<output>6</output>
<result>6</result>


在比例尺1：300000的图纸上量得甲乙两地的图上距离是14厘米，两地的实际距离是多少千米．

Measure the distance between A and B on the map with a scale of 1:300000 is 14 cm. What is the actual distance in kilometers between the two places?

<gadget id="calculator">1 / 300_000</gadget>
<output>1/300_000 = around 0.000003</output>
<gadget id="calculator">14 / (1/300_000) / 100_000</gadget>
<output>42</output>
<result>42</result>


同学们去学农基地劳动，共用去了(4/5)小时，其中路上用去的时间占(1/5)，休息的时间占(7/20)，剩下的是劳动时间，劳动时间占了几分之几？

The students went to the agricultural base to work, and shared (4/5) hours, of which the time spent on the road accounted for (1/5), the rest time accounted for (7/20), and the rest was labor time, labor time What percentage is it?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">7 / 20</gadget>
<output>7/20 = around 0.35</output>
<gadget id="calculator">1 - (1/5) - (7/20)</gadget>
<output>9/20 = around 0.45</output>
<result>9/20 = around 0.45</result>


一个长方体的水池长5米，宽2米，进水管每分钟可进水1.6立方米，如果要蓄水深1.6米，需要进水多少分钟？

A cuboid pool is 5 meters long and 2 meters wide, and the water inlet pipe can take in 1.6 cubic meters of water per minute. If the water is to be stored at a depth of 1.6 meters, how many minutes does it take to fill in the water?

<gadget id="calculator">1.6 / 1.6</gadget>
<output>1</output>
<gadget id="calculator">5 * 2 * 1</gadget>
<output>10</output>
<result>10</result>


丽丽家到学校0.7千米，红红家到学校的路程比丽丽家到学校的2.8倍多0.3千米．两人分别从家到学校，红红比丽丽要多走多少千米？

Lili's home is 0.7 kilometers away from school, and the distance between Honghong's home and school is 0.3 kilometers longer than Lili's home to school, which is 2.8 times longer. The two traveled from home to school respectively, how many kilometers did Honghong have to walk more than Lili?

<gadget id="calculator">0.7 * 2.8</gadget>
<output>1.96</output>
<gadget id="calculator">1.96 + 0.3</gadget>
<output>2.26</output>
<gadget id="calculator">2.26 - 0.7</gadget>
<output>1.56</output>
<result>1.56</result>


甲乙两城铁路长960千米，一列客车于6月22日上午8时从甲城开往乙城，下午2时到达．这列火车每小时行多少千米？

The railway between A and B is 960 kilometers long. A passenger train departs from A to B at 8 am on June 22 and arrives at 2 pm. How many kilometers per hour does the train travel?

<gadget id="calculator">14 - 8</gadget>
<output>6</output>
<gadget id="calculator">960 / 6</gadget>
<output>160</output>
<result>160</result>


王叔叔从家里坐车去县城办事．去的时候每小时行65千米，8小时到达，回来的时候每小时行40千米，几小时可以到达？

Uncle Wang went to the county seat by car from home to do business. When I went there, I traveled 65 kilometers per hour and arrived in 8 hours. When I came back, I traveled 40 kilometers per hour. How many hours can I get there?

<gadget id="calculator">8 / 40</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">65 * (1/5)</gadget>
<output>13</output>
<result>13</result>


如果3x-5与(1/2)互为倒数，则x=多少．

If 3x-5 and (1/2) are reciprocals, then x=how much.

<gadget id="calculator">2 + 5</gadget>
<output>7</output>
<gadget id="calculator">7 / 3</gadget>
<output>7/3 = around 2.333333</output>
<result>7/3 = around 2.333333</result>


一个圆锥的底面积是40平方厘米，高是9厘米，它的体积是多少cm**3．

The area of the base of a cone is 40 square centimeters and the height is 9 centimeters. What is its volume in cm**3.

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/3) * 40 * 9</gadget>
<output>120</output>
<result>120</result>


一根铁丝可以围成一个长132分米，宽68分米的长方形，如果用它围成一个正方形，这个正方形的面积是多少平方米？

A wire can form a rectangle with a length of 132 decimeters and a width of 68 decimeters. If it is used to form a square, what is the area of the square?

<gadget id="calculator">13.2 + 6.8</gadget>
<output>20</output>
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">20 * (1/2)</gadget>
<output>10</output>
<gadget id="calculator">10 * 10</gadget>
<output>100</output>
<result>100</result>


某种微波炉的标价为1260元，若九折降价出售仍可获利8%(相对于进价)．若以标价1260元出售，可获利(相对于进价)多少元．

The price of a certain microwave oven is 1260 yuan, and if it is sold at a 10% discount, it can still make a profit of 8% (relative to the purchase price). If it is sold at a price of 1260 yuan, how much profit can be made (relative to the purchase price).

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">1_260 * (9/10)</gadget>
<output>1_134</output>
<gadget id="calculator">8 / 100</gadget>
<output>2/25 = around 0.08</output>
<gadget id="calculator">1 + (2/25)</gadget>
<output>27/25 = around 1.08</output>
<gadget id="calculator">1_134 / (27/25)</gadget>
<output>1_050</output>
<gadget id="calculator">1_260 - 1_050</gadget>
<output>210</output>
<result>210</result>


一个棱长是2dm的正方体木块，把它削成一个最大的圆柱，削去的木材体积是多少立方分米？

cube with an edge length of 2dm is cut into the largest cylinder, what is the volume of the cut wood in cubic decimeters?

<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>
<gadget id="calculator">2 / 2</gadget>
<output>1</output>
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">3.14 * 1 * 2</gadget>
<output>6.28</output>
<gadget id="calculator">8 - 6.28</gadget>
<output>1.72</output>
<result>1.72</result>


在一个直角三角形中，一个是35°，另一个角是多少．

In a right triangle, one angle is 35°, what is the other angle.

<gadget id="calculator">90 + 35</gadget>
<output>125</output>
<gadget id="calculator">180 - 125</gadget>
<output>55</output>
<result>55</result>


学校买来6张办公桌和15把椅子共用去770元，已知每张办公桌与3把椅子价钱相等，求每把桌子多少钱？

The school bought 6 desks and 15 chairs for a total of 770 yuan. It is known that the price of each desk is equal to that of 3 chairs. How much is each desk?

<gadget id="calculator">15 / 3</gadget>
<output>5</output>
<gadget id="calculator">5 + 6</gadget>
<output>11</output>
<gadget id="calculator">770 / 11</gadget>
<output>70</output>
<result>70</result>


估算下面3个算式的计算结果，最大的是多少

Estimate the calculation results of the following three formulas, what is the largest

<gadget id="calculator">8 / 7</gadget>
<output>8/7 = around 1.142857</output>
<gadget id="calculator">777 * (8/7)</gadget>
<output>888</output>
<result>888</result>


端午节即将来临，"喜羊羊"买来一些鲜草馒头，羊爷爷将这些鲜草馒头发给小羊们．如果给每只小羊发4个鲜草馒头，还多17个；如果给每只小羊发6个鲜草馒头，并且给羊爷爷自己也发3个，还多4个．那么共有多少个鲜草馒头．

The Dragon Boat Festival is coming, "Pleasant Goat" bought some fresh grass steamed buns, and Grandpa Yang gave these fresh grass steamed buns to the lambs. If you give each lamb 4 fresh grass steamed buns, there will be 17 more; if you give each lamb 6 fresh grass steamed buns, and give 3 to Grandpa Yang himself, there will be 4 more. So how many fresh grass steamed buns are there?

<gadget id="calculator">17 - 3 - 4</gadget>
<output>10</output>
<gadget id="calculator">6 - 4</gadget>
<output>2</output>
<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">5 * 4</gadget>
<output>20</output>
<gadget id="calculator">20 + 17</gadget>
<output>37</output>
<result>37</result>


小红从1楼跑到3楼用了12秒，照这样的速度，从1楼跑到5楼需要多少秒．

It took Xiaohong 12 seconds to run from the first floor to the third floor. At this speed, how many seconds does it take to run from the first floor to the fifth floor?

<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">12 / 2</gadget>
<output>6</output>
<gadget id="calculator">5 - 1</gadget>
<output>4</output>
<gadget id="calculator">6 * 4</gadget>
<output>24</output>
<result>24</result>


胜利村新修一条水渠，已修好(1/3)，再修400m就到达中点，这条水渠全长多少米？

There is a new canal in Shengli Village, and it has been repaired (1/3). After another 400m, it will reach the midpoint. How long is this canal in meters?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/2) - (1/3)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">400 / (1/6)</gadget>
<output>2_400</output>
<result>2_400</result>


一个直角三角形的三条边分别是3cm，4cm，5cm，这个三角形斜边上的高是多少cm．

The three sides of a right triangle are 3cm, 4cm, and 5cm respectively. What is the height of the hypotenuse of the triangle in cm?

<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">3 * 2 * (2/5)</gadget>
<output>12/5 = around 2.4</output>
<result>12/5 = around 2.4</result>


长方形的周长是30分米，它的一条边长10分米，和这条边相邻的边长是多少．

The perimeter of a rectangle is 30 decimeters, one of its sides is 10 decimeters long, what is the length of the side adjacent to this side?

<gadget id="calculator">30 / 2</gadget>
<output>15</output>
<gadget id="calculator">15 - 10</gadget>
<output>5</output>
<result>5</result>


400减去64，再除以8，商是多少？

Subtract 64 from 400 and divide by 8. What is the quotient?

<gadget id="calculator">400 - 64</gadget>
<output>336</output>
<gadget id="calculator">336 / 8</gadget>
<output>42</output>
<result>42</result>


1.54元等于多少角与4分钱的和．

1.54 yuan is equal to the sum of how many jiao and 4 cents.

<gadget id="calculator">1.5 * 10</gadget>
<output>15</output>
<result>15</result>


Solve the equation (1/4)x=(1/12), how much to calculate

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/12) / (1/4)</gadget>
<output>1/3 = around 0.333333</output>
<result>1/3 = around 0.333333</result>


48: x=(5/6):(5/8) (solution of equation)

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">48 * (5/8)</gadget>
<output>30</output>
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">30 / (5/6)</gadget>
<output>36</output>
<result>36</result>


一件商品降价(1/6)后售价800元，这件商品原价多少元．

A product is priced at 800 yuan after a price reduction (1/6), what is the original price of this product?

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">800 / (5/6)</gadget>
<output>960</output>
<result>960</result>


从公园到动物园有5条路，从动物园到植物园有4条路，从公园经过动物园到植物园有几种走法？

There are 5 roads from the park to the zoo, and 4 roads from the zoo to the botanical garden. How many ways are there to go from the park to the botanical garden through the zoo?

<gadget id="calculator">5 * 4</gadget>
<output>20</output>
<result>20</result>


甲数的(2/3)等于乙数的(4/5)，那么甲数的(3/8)相当于乙数的多少．

(2/3) of number A is equal to (4/5) of number B, then (3/8) of number A is equal to the number of B.

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">1 / (2/3)</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 / (4/5)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">(3/8) / (5/4)</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">(3/2) * (3/10)</gadget>
<output>9/20 = around 0.45</output>
<result>9/20 = around 0.45</result>


两个数相除，商是30，把被除数末尾的1个零去掉后，两个数相除的商是多少．

When two numbers are divided, the quotient is 30. What is the quotient of the two numbers after removing the zero at the end of the dividend?

<gadget id="calculator">30 / 10</gadget>
<output>3</output>
<result>3</result>


小明从甲地到乙地去办事，去时每秒钟3米，回来时每秒钟2米，求来回的平均速度是多少米/秒．

Xiao Ming goes from place A to place B to do errands, 3 meters per second when going, and 2 meters per second when returning, what is the average speed of the round trip in meters per second?


用3厘米、4厘米、5厘米、5厘米的小棒中任选3根，能组成多少种不同的等腰三角形．

How many different isosceles triangles can be formed by using any 3 sticks of 3 cm, 4 cm, 5 cm and 5 cm.


一个包里有8个黄球和2个白球，球除颜色外完全相同，每次从中任意摸出一个球后仍放回包里．这样摸10000次，摸出白球的次数大约为多少次．

There are 8 yellow balls and 2 white balls in a bag, the balls are exactly the same except for the color, each time a ball is randomly drawn from it, it is still put back into the bag. If you do this 10,000 times, how many times will you get a white ball?

<gadget id="calculator">8 + 2</gadget>
<output>10</output>
<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">10_000 * (1/5)</gadget>
<output>2_000</output>
<result>2_000</result>


It is known that A=(1/2)B. A+B=30, then A=how much.

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(1/2) * 20</gadget>
<output>10</output>
<result>10</result>


做一条裤子用布(5/6)米，做的一件上衣用布量是做一条裤子用布量的(8/5)．做一件上衣用布多少米？

It takes (5/6) meters of cloth to make a pair of trousers, and (8/5) the amount of cloth used to make a pair of pants. How many meters of cloth is used to make a coat?

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>
<gadget id="calculator">(5/6) * (8/5)</gadget>
<output>4/3 = around 1.333333</output>
<result>4/3 = around 1.333333</result>


一个数(0除外)除以(1/5)，这个数就扩大多少倍

Divide a number (except 0) by (1/5), how many times the number will be enlarged

<gadget id="calculator">5 / 1</gadget>
<output>5</output>
<result>5</result>


王老师每月工资1450元，超出1200元的部分按5%交纳个人所得税．王老师每月税后工资是多少元？

Mr. Wang's monthly salary is 1,450 yuan, and the part exceeding 1,200 yuan is subject to personal income tax at 5%. How much is Mr. Wang's monthly after-tax salary?

<gadget id="calculator">1_450 - 1_200</gadget>
<output>250</output>
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">250 * (1/20)</gadget>
<output>25/2 = around 12.5</output>
<gadget id="calculator">1_450 - (25/2)</gadget>
<output>2_875/2 = around 1_437.5</output>
<result>2_875/2 = around 1_437.5</result>


□31*4的积是四位数，□里最小填多少．

□The product of 31*4 is four digits, what is the minimum number in □.


一个梯形两个底的和是12厘米，高是14厘米，面积是多少平方分米？

The sum of the two bases of a trapezoid is 12 cm and the height is 14 cm. What is the area in square decimeters?

<gadget id="calculator">14 / 2 / 100</gadget>
<output>7/100 = around 0.07</output>
<gadget id="calculator">12 * (7/100)</gadget>
<output>21/25 = around 0.84</output>
<result>21/25 = around 0.84</result>


一个圆柱形铁皮水桶(无盖)，高12dm，底面直径9dm．做这个水桶大约要用铁皮多少．

A cylindrical tin bucket (without a lid) is 12dm high and 9dm in diameter at the bottom. About how much iron sheet is used to make this bucket.

<gadget id="calculator">3.14 * 9 * 12</gadget>
<output>339.12</output>
<gadget id="calculator">9 / 2</gadget>
<output>9/2 = around 4.5</output>
<gadget id="calculator">(9/2) ** 2</gadget>
<output>81/4 = around 20.25</output>
<gadget id="calculator">3.14 * (81/4)</gadget>
<output>63.585</output>
<gadget id="calculator">339.12 + 63.585</gadget>
<output>402.705</output>
<result>402.705</result>


已知一个平行四边形的一组邻边分别是3cm和5cm，这个平行四边形的周长是多少．

It is known that a group of adjacent sides of a parallelogram are 3cm and 5cm respectively, what is the perimeter of the parallelogram.

<gadget id="calculator">5 + 3</gadget>
<output>8</output>
<gadget id="calculator">8 * 2</gadget>
<output>16</output>
<result>16</result>


某工厂上半年生产机器40万台，是下半年产量的(4/5)．这个工厂全年的产量是多少万台？

A factory produced 400,000 machines in the first half of the year, which was (4/5) the output in the second half of the year. What is the annual output of this factory?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">40 / (4/5)</gadget>
<output>50</output>
<gadget id="calculator">50 + 40</gadget>
<output>90</output>
<result>90</result>


儿童公园有一个圆形的金鱼池．在金鱼池周围围2圈直径是15米的圆形钢条栏杆，至少要用多少米钢条？

There is a circular goldfish pond in the children's park. How many meters of steel bars should be used to surround the goldfish pond with 2 circles of circular steel railings with a diameter of 15 meters?

<gadget id="calculator">3.14 * 15 * 2</gadget>
<output>94.2</output>
<result>94.2</result>


有一个长方体的水缸，长4分米，宽3分米，高2分米，原来里面的水深1分米，放进一块石头后(石头完全沉入水底)，水深变为1.2分米，这块石头的体积是多少？

There is a cuboid water tank with a length of 4 decimeters, a width of 3 decimeters and a height of 2 decimeters. Originally, the water depth inside was 1 decimeter. After a stone was put in (the stone completely sank to the bottom of the water), the water depth became 1.2 decimeters. What is the volume of this stone?

<gadget id="calculator">1.2 - 1</gadget>
<output>0.2</output>
<gadget id="calculator">4 * 3 * 0.2</gadget>
<output>2.4</output>
<result>2.4</result>


某村去年种西瓜180公顷，今年比去年多种了(1/4)，今年比去年多种西瓜多少公顷？

A certain village planted 180 hectares of watermelon last year, and this year it has more varieties (1/4) than last year. How many hectares of watermelons are planted this year compared to last year?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">180 * (1/4)</gadget>
<output>45</output>
<result>45</result>


如果定义a※6=2a+3b，那么2※(3※4)的结果是多少？

If you define a*6=2a+3b, what is the result of 2*(3*4)?

<gadget id="calculator">2 * 2</gadget>
<output>4</output>
<gadget id="calculator">2 * 3</gadget>
<output>6</output>
<gadget id="calculator">3 * 4</gadget>
<output>12</output>
<gadget id="calculator">6 + 12</gadget>
<output>18</output>
<gadget id="calculator">3 * 18</gadget>
<output>54</output>
<gadget id="calculator">4 + 54</gadget>
<output>58</output>
<result>58</result>


菜场运进一批白菜，下午比上午多运进10%，上午比下午少运进100千克．菜场上午运进了多少千克白菜？

A batch of cabbage is shipped in from the vegetable farm, 10% more in the afternoon than in the morning, and 100 kg less in the morning than in the afternoon. How many kilograms of cabbage did the farm bring in in the morning?

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">100 / (1/10)</gadget>
<output>1_000</output>
<result>1_000</result>


一个长方形的长是4分米，宽是2分米，它的周长是多少分米．

If the length of a rectangle is 4 decimeters and the width is 2 decimeters, what is its perimeter?

<gadget id="calculator">4 + 2</gadget>
<output>6</output>
<gadget id="calculator">6 * 2</gadget>
<output>12</output>
<result>12</result>


三年级1班共有学生49人，其中男生占(3/7)，男生有多少人．

There are 49 students in Class 1 of the third grade, of which boys account for (3/7), how many boys are there?


某品牌出租车起步(3公里以内)价是5元，超过3公里而7公里以内每公里按1.2元计价，7公里以上部分每公里再加价50%．旅客从西安火车站乘出租车到距离约8公里的"陕西省历史博物馆"，试计算到达时应付车费多少元？

The starting price of a taxi of a certain brand (within 3 kilometers) is 5 yuan, and the price is 1.2 yuan per kilometer for more than 3 kilometers and within 7 kilometers. Passengers take a taxi from Xi'an Railway Station to the "Shaanxi Provincial History Museum", which is about 8 kilometers away. Try to calculate how much the fare should be when they arrive?

<gadget id="calculator">7 - 3</gadget>
<output>4</output>
<gadget id="calculator">4 * 1.2</gadget>
<output>4.8</output>
<gadget id="calculator">8 - 7</gadget>
<output>1</output>
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">1 * 1.2 * (3/2)</gadget>
<output>1.8</output>
<gadget id="calculator">5 + 4.8 + 1.8</gadget>
<output>11.6</output>
<result>11.6</result>


一只水桶装满水后，连桶共重320千克，倒出一般水后，连桶共重170千克，桶重多少千克？

After a bucket is filled with water, the total weight of the bucket is 320 kg. After pouring out ordinary water, the total weight of the bucket is 170 kg. How many kilograms does the bucket weigh?

<gadget id="calculator">320 - 170</gadget>
<output>150</output>
<gadget id="calculator">150 * 2</gadget>
<output>300</output>
<gadget id="calculator">320 - 300</gadget>
<output>20</output>
<result>20</result>


一个长方体所有棱长总和是72厘米，已知长、宽、高的比是4：3：2，它的体积是多少立方厘米

The sum of the lengths of all the sides of a cuboid is 72 cm, and the ratio of length, width, and height is known to be 4:3:2, what is its volume in cubic centimeters

<gadget id="calculator">72 / 4</gadget>
<output>18</output>
<gadget id="calculator">4 + 3 + 2</gadget>
<output>9</output>
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>
<gadget id="calculator">18 * (4/9) * 18 * (1/3) * 18 * (2/9)</gadget>
<output>192</output>
<result>192</result>


甲比乙少25%，乙比丙多25%，甲是丙的多少

A is 25% less than B, B is 25% more than C, how much is A equal to C

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 * (3/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">1 / (5/4)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(3/4) / (4/5)</gadget>
<output>15/16 = around 0.9375</output>
<result>15/16 = around 0.9375</result>


<gadget id="calculator">24 * 37</gadget>
<output>888</output>
<result>888</result>


两个因数同时缩小2倍，积缩小多少倍

If the two factors are reduced by 2 at the same time, how many times the product is reduced

<gadget id="calculator">2 * 2</gadget>
<output>4</output>
<result>4</result>


小红的床长2米，宽14分米，要铺上与床同样长宽的席子，这块席子的面积有多大？

Xiaohong's bed is 2 meters long and 14 decimeters wide. She needs to spread a mat with the same length and width as the bed. How big is the mat?

<gadget id="calculator">2 * 10</gadget>
<output>20</output>
<gadget id="calculator">20 * 14</gadget>
<output>280</output>
<result>280</result>


有大小两个圆，它们周长之差是128厘米，大圆直径是小圆直径的(3/2)倍，求大圆的周长是多少？

There are two circles, big and small. The difference between their circumferences is 128 cm. The diameter of the larger circle is (3/2) times the diameter of the smaller circle. What is the circumference of the larger circle?

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">(3/2) - 1</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">128 / (1/2)</gadget>
<output>256</output>
<gadget id="calculator">256 * (3/2)</gadget>
<output>384</output>
<result>384</result>


把30千克的果汁分装在三只质量相等的桶中，第一桶连桶重(37/3)千克，第二桶连桶重(23/3)千克，第三桶装了全部牛奶的(2/5)，求每只空桶重多少千克？

Divide 30 kg of fruit juice into three barrels of equal mass. The first barrel weighs (37/3) kilograms, the second barrel weighs (23/3) kilograms, and the third barrel contains all the milk. (2/5), how many kilograms does each empty barrel weigh?

<gadget id="calculator">37 / 3</gadget>
<output>37/3 = around 12.333333</output>
<gadget id="calculator">23 / 3</gadget>
<output>23/3 = around 7.666667</output>
<gadget id="calculator">(37/3) + (23/3)</gadget>
<output>20</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">30 * (3/5)</gadget>
<output>18</output>
<gadget id="calculator">20 - 18</gadget>
<output>2</output>
<gadget id="calculator">2 / 2</gadget>
<output>1</output>
<result>1</result>


把一根长4米的圆柱形钢材截成两段，表面积比原来增加15.7平方厘米．这根钢材的体积是多少立方厘米？

Cut a 4-meter-long cylindrical steel into two sections, and the surface area increases by 15.7 square centimeters compared to the original. What is the volume of this bar in cubic centimeters?

<gadget id="calculator">15.7 / 2</gadget>
<output>7.85</output>
<gadget id="calculator">7.85 * 4 * 100</gadget>
<output>3_140</output>
<result>3_140</result>


一枚5角硬币重5克，小丽有5元钱的5角硬币，这些硬币共重多少克？

A 5-cent coin weighs 5 grams, and Xiaoli has 5-cent coins of 5 yuan. How many grams do these coins weigh in total?

<gadget id="calculator">5 / 0.5</gadget>
<output>10</output>
<gadget id="calculator">10 * 5</gadget>
<output>50</output>
<result>50</result>


李老师带700块钱去买词典．买了15本同样的词典，还剩下25元钱，每本词典多少钱？

Teacher Li took 700 yuan to buy a dictionary. If you bought 15 dictionaries of the same type and still have 25 yuan left, how much is each dictionary worth?

<gadget id="calculator">700 - 25</gadget>
<output>675</output>
<gadget id="calculator">675 / 15</gadget>
<output>45</output>
<result>45</result>


一只蜜蜂1.5小时飞行27.9千米，一只蝴蝶每小时飞行7.75千米，一只蜜蜂每小时飞行的速度是蝴蝶的多少倍？

A bee flies 27.9 kilometers in 1.5 hours, and a butterfly flies 7.75 kilometers per hour. How many times faster does a bee fly per hour than a butterfly?

<gadget id="calculator">27.9 / 1.5</gadget>
<output>18.6</output>
<gadget id="calculator">18.6 / 7.75</gadget>
<output>2.4</output>
<result>2.4</result>


一辆汽车油箱里储油99升，行使了56千米正好耗油8升．照这样计算，剩下的油还可以行驶多少千米？

A car has 99 liters of fuel stored in its fuel tank, and it consumes exactly 8 liters of fuel when it has been driven for 56 kilometers. According to this calculation, how many kilometers can the remaining oil travel?

<gadget id="calculator">56 / 8</gadget>
<output>7</output>
<gadget id="calculator">99 - 8</gadget>
<output>91</output>
<gadget id="calculator">7 * 91</gadget>
<output>637</output>
<result>637</result>


一个小于200的数，它除以11余8，除以13余10，那么这个数是多少．

If a number less than 200 is divided by 11, the remainder is 8, and when divided by 13, the remainder is 10. What is this number?

<gadget id="calculator">143 - 3</gadget>
<output>140</output>
<result>140</result>


一个长方形的周长是40厘米，长比宽多4厘米，长方形的面积是多少平方厘米．

If the perimeter of a rectangle is 40 cm and its length is 4 cm more than its width, what is the area of the rectangle in square centimeters?

<gadget id="calculator">40 / 2</gadget>
<output>20</output>
<gadget id="calculator">20 - 4</gadget>
<output>16</output>
<gadget id="calculator">16 / 2</gadget>
<output>8</output>
<gadget id="calculator">8 + 4</gadget>
<output>12</output>
<gadget id="calculator">12 * 8</gadget>
<output>96</output>
<result>96</result>


一辆汽车以每小时65千米的速度从甲地到乙地，3小时行了全程的(5/7)，这辆汽车还要行多少千米才能到达乙地？

A car travels from point A to point B at a speed of 65 kilometers per hour, and travels the entire distance (5/7) in 3 hours. How many kilometers does this car have to drive to reach point B?

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">3 / (5/7)</gadget>
<output>21/5 = around 4.2</output>
<gadget id="calculator">65 * (21/5)</gadget>
<output>273</output>
<gadget id="calculator">65 * 3</gadget>
<output>195</output>
<gadget id="calculator">273 - 195</gadget>
<output>78</output>
<result>78</result>


质检中心对一批产品进行检测后发现，合格的产品占全部产品的96%，不合格产品占全部产品的多少．

After testing a batch of products, the quality inspection center found that qualified products accounted for 96% of all products, and how many unqualified products accounted for all products.

<gadget id="calculator">96 / 100</gadget>
<output>24/25 = around 0.96</output>
<gadget id="calculator">1 - (24/25)</gadget>
<output>1/25 = around 0.04</output>
<result>1/25 = around 0.04</result>


小丽陪妈妈去散步，她们5分钟走了150米．平均每分钟走多少米？

Xiaoli went for a walk with her mother, and they walked 150 meters in 5 minutes. How many meters do you walk on average per minute?

<gadget id="calculator">150 / 5</gadget>
<output>30</output>
<result>30</result>


小亮去公园，全程的(1/3)骑自行车，剩下的路程的(4/5)坐汽车，下汽车后余下的路程步行，求步行的路程占全程的几分之几？

When Xiaoliang goes to the park, he rides a bicycle for 1/3 of the whole journey, takes a car for the rest of the journey (4/5), and walks for the rest of the distance after getting off the bus. What percentage of the journey does the walking take?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(2/3) * (4/5)</gadget>
<output>8/15 = around 0.533333</output>
<gadget id="calculator">1 - (1/3) - (8/15)</gadget>
<output>2/15 = around 0.133333</output>
<result>2/15 = around 0.133333</result>


国际长途电话的收费标准为每分钟3元7角，爸爸打国际长途电话用了29分钟，应付多少钱？

The charge for international long-distance calls is 3 yuan and 7 cents per minute. Dad spent 29 minutes making international calls. How much should I pay?

<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">3 + (7/10)</gadget>
<output>37/10 = around 3.7</output>
<gadget id="calculator">(37/10) * 29</gadget>
<output>1_073/10 = around 107.3</output>
<result>1_073/10 = around 107.3</result>


学校原来有学生928人，今年升入初中有237人，开学又有新生165人入学．现在学校有多少人？

The school used to have 928 students, but this year 237 entered junior high school, and 165 new students entered the school. How many people are there in the school now?

<gadget id="calculator">928 - 237</gadget>
<output>691</output>
<gadget id="calculator">691 + 165</gadget>
<output>856</output>
<result>856</result>


钢琴的黑键比白键少16个，黑键有36个．白键有多少个．

piano has 16 fewer black keys than white keys, and 36 black keys. How many white keys are there.

<gadget id="calculator">36 + 16</gadget>
<output>52</output>
<result>52</result>


工地有一批水泥，第一天用了14吨，第二天用去的是第一天(5/7)，这时用去的水泥与剩下的比是3：5．这批水泥原有多少吨？

There is a batch of cement on the construction site, 14 tons are used on the first day, and the first day (5/7) is used on the second day. At this time, the ratio of the cement used to the rest is 3:5. How many tons is this batch of cement originally?

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">14 * (5/7)</gadget>
<output>10</output>
<gadget id="calculator">14 + 10</gadget>
<output>24</output>
<gadget id="calculator">3 + 5</gadget>
<output>8</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">24 / (3/8)</gadget>
<output>64</output>
<result>64</result>


王阿姨去超市买水果，樱桃和草莓各买了4斤，共花了150元钱，已知樱桃24元一斤，请问草莓多少元一斤？

Aunt Wang went to the supermarket to buy fruit. She bought 4 catties of cherries and strawberries each, and spent a total of 150 yuan. It is known that cherries cost 24 yuan per catty. How much is a catty of strawberries?

<gadget id="calculator">150 / 4</gadget>
<output>75/2 = around 37.5</output>
<gadget id="calculator">(75/2) - 24</gadget>
<output>27/2 = around 13.5</output>
<result>27/2 = around 13.5</result>


比零下3摄氏度高8摄氏度记作多少摄氏度．

How many degrees Celsius is recorded as 8 degrees Celsius higher than minus 3 degrees Celsius?

<gadget id="calculator">(-3) + 8</gadget>
<output>5</output>
<result>5</result>


一个空的长方体容器长2dm，宽5cm，高2.2dm，如果每秒钟注入12ml水，那么经过2.5分钟，容器内的水面距离容器口还有多少厘米？

An empty cuboid container has a length of 2dm, a width of 5cm, and a height of 2.2dm. If 12ml of water is injected every second, how many centimeters will the water surface in the container be from the mouth of the container after 2.5 minutes?

<gadget id="calculator">2.2 * 10</gadget>
<output>22</output>
<gadget id="calculator">5 * 2 * 10</gadget>
<output>100</output>
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">12 * 2.5 * (3/5)</gadget>
<output>18</output>
<gadget id="calculator">22 - 18</gadget>
<output>4</output>
<result>4</result>


有100克盐水，盐占水的(1/4)，再加上5克盐，这时，盐占盐水多少

There are 100 grams of salt water, salt accounts for 1/4 of the water, plus 5 grams of salt, at this time, how much salt accounts for the salt water

<gadget id="calculator">1 + 4</gadget>
<output>5</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">100 * (1/5)</gadget>
<output>20</output>
<gadget id="calculator">20 + 5</gadget>
<output>25</output>
<gadget id="calculator">100 + 5</gadget>
<output>105</output>
<gadget id="calculator">25 / 105</gadget>
<output>5/21 = around 0.238095</output>
<result>5/21 = around 0.238095</result>


12.1减去3.4除10.2的商，结果是多少？

What is the quotient of 12.1 minus 3.4 divided by 10.2?

<gadget id="calculator">10.2 / 3.4</gadget>
<output>3</output>
<gadget id="calculator">12.1 - 3</gadget>
<output>9.1</output>
<result>9.1</result>


我国农历上一年有24节气，平均每个季度有多少个节气．

There are 24 solar terms in the lunar calendar in my country, how many solar terms are there in each season on average.

<gadget id="calculator">24 / 4</gadget>
<output>6</output>
<result>6</result>


A地到B地每分钟走70米，20分钟可到达，若想提前5分钟到，每分钟走多少米？(用比例解)

If you walk 70 meters per minute from point A to point B, you can get there in 20 minutes. If you want to arrive 5 minutes earlier, how many meters per minute will you walk? (Solve with ratio)

<gadget id="calculator">70 * 20</gadget>
<output>1_400</output>
<gadget id="calculator">20 - 5</gadget>
<output>15</output>
<gadget id="calculator">1_400 / 15</gadget>
<output>280/3 = around 93.333333</output>
<result>280/3 = around 93.333333</result>


一个三角形的面积是630平方分米，高是36分米，它的底是多少米？

The area of a triangle is 630 square decimeters, the height is 36 decimeters, how many meters is its base?

<gadget id="calculator">1_260 / 36</gadget>
<output>35</output>
<gadget id="calculator">35 / 10</gadget>
<output>7/2 = around 3.5</output>
<result>7/2 = around 3.5</result>


一个圆锥形麦堆底面周长是12.56米，高0.6米，每立方米小麦重750千克，这堆小麦共重多少千克？

A conical pile of wheat has a circumference of 12.56 meters and a height of 0.6 meters. Each cubic meter of wheat weighs 750 kilograms. How many kilograms does this pile of wheat weigh?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">(1/3) * 3.14 * 4 * 0.6</gadget>
<output>2.512</output>
<gadget id="calculator">2.512 * 750</gadget>
<output>1_884</output>
<result>1_884</result>


一个长方体水缸长30cm，宽20cm，水深6cm，将一块石头完全浸入水中，水面上升4cm，这块石头的体积是多少立方厘米？

A cuboid water tank is 30cm long, 20cm wide, and 6cm deep. A stone is completely submerged in the water, and the water level rises 4cm. What is the volume of the stone in cubic centimeters?

<gadget id="calculator">30 * 20 * 4</gadget>
<output>2_400</output>
<result>2_400</result>