王艳家买了一台洗衣机和一台电冰箱，一共花了6000元，电冰箱的价钱是洗衣机的(3/5)，求洗衣机的价钱．

Wang Yan's family bought a washing machine and a refrigerator, and they spent a total of 6,000 yuan. The price of the refrigerator is 3/5 of that of the washing machine. Ask for the price of the washing machine.

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 + (3/5)</gadget>
<output>8/5 = around 1.6</output>
<gadget id="calculator">6_000 / (8/5)</gadget>
<output>3_750</output>
<result>3_750</result>


有5筐苹果的重量相等，如果从每筐中取出10kg，那么剩下的苹果相当于原来3筐的重量，原来每筐苹果重多少千克？

There are 5 baskets of apples with the same weight. If 10kg is taken out of each basket, the remaining apples are equivalent to the weight of the original 3 baskets. How much does each basket of apples weigh in kilograms?

<gadget id="calculator">5 - 3</gadget>
<output>2</output>
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">10 * (5/2)</gadget>
<output>25</output>
<result>25</result>


王阿姨每分钟打60字，她15分钟能打多少字．

Aunt Wang types 60 words per minute, how many words can she type in 15 minutes.

<gadget id="calculator">60 * 15</gadget>
<output>900</output>
<result>900</result>


甲数是42，乙数是甲数的(3/7)，乙数是多少．

The number A is 42, the number B is (3/7) of the number A, what is the number B?

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">42 * (3/7)</gadget>
<output>18</output>
<result>18</result>


张大伯用篱笆靠墙围了一个半圆形的鸭舍．篱笆的全长为18.84米，鸭舍的面积是多少平方米？

Uncle Zhang surrounded a semi-circular duck house with a fence against the wall. The total length of the fence is 18.84 meters. What is the area of the duck house in square meters?

<gadget id="calculator">18.84 / 3.14</gadget>
<output>6</output>
<gadget id="calculator">6 ** 2</gadget>
<output>36</output>
<gadget id="calculator">36 / 2</gadget>
<output>18</output>
<gadget id="calculator">3.14 * 18</gadget>
<output>56.52</output>
<result>56.52</result>


小红看一本小说，第一天看了总页数的25%少17页，第二天看的比总页数的(1/8)还多16页，还剩下61页没看，这本小说一共有多少页？

Xiaohong reads a novel. On the first day, she read 25% of the total number of pages and 17 pages less. On the second day, she read 16 pages more than (1/8) of the total number of pages, leaving 61 pages unread. How many pages does this novel have?

<gadget id="calculator">61 - 17</gadget>
<output>44</output>
<gadget id="calculator">44 + 16</gadget>
<output>60</output>
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/8) - (1/4)</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">60 / (5/8)</gadget>
<output>96</output>
<result>96</result>


有李树5棵，每棵产李子60.8千克，桃树8棵，每棵产桃子47.5千克，收获哪种水果比较重？比另一种重多少千克？

There are 5 plum trees, each of which produces 60.8 kg of plums, and 8 peach trees, each of which produces 47.5 kg of peaches. Which fruit is heavier? How many kilograms heavier than the other?

<gadget id="calculator">47.5 * 8</gadget>
<output>380</output>
<gadget id="calculator">60.8 * 5</gadget>
<output>304</output>
<gadget id="calculator">380 - 304</gadget>
<output>76</output>
<result>76</result>


某班男生人数是全班人数的60%，那么这个班男生人数是女生人数的多少

If the number of male students in a class is 60% of the total number of students in the class, then the number of male students in this class is the number of female students

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(3/5) / (2/5)</gadget>
<output>3/2 = around 1.5</output>
<result>3/2 = around 1.5</result>


甲、乙两地相距120千米，客车和货车同时从甲地出发驶向乙地，客车到达乙地后立即沿原路返回，在途中的丙地与货车相遇．之后，客车和货车继续前进，各自到达甲地和乙地后又马上折回，结果两车又恰好在丙地相遇．已知两车在出发后的2小时首次相遇，那么客车的速度是每小时多少千米？

The distance between A and B is 120 kilometers. A bus and a truck depart from A to B at the same time. After arriving at B, the bus immediately returns along the original road. On the way, it meets the truck at C. Afterwards, the passenger car and the truck continued to move forward, and turned back immediately after arriving at point A and point B respectively. As a result, the two cars happened to meet again at point C. It is known that the two cars met for the first time 2 hours after departure, so how many kilometers per hour is the speed of the passenger car?

<gadget id="calculator">120 / 3</gadget>
<output>40</output>
<gadget id="calculator">120 + 40</gadget>
<output>160</output>
<gadget id="calculator">160 / 2</gadget>
<output>80</output>
<result>80</result>


张明买了2000元的国家建设债券，定期三年，如果年利率是6.11%，到期时他可以获得本金和利息一共多少元？

Zhang Ming bought 2,000 yuan of national construction bonds with a term of three years. If the annual interest rate is 6.11%, how much will he get in total for the principal and interest when it matures?

<gadget id="calculator">6.11 / 100</gadget>
<output>0.0611</output>
<gadget id="calculator">2_000 * 0.0611 * 3</gadget>
<output>366.6</output>
<gadget id="calculator">2_000 + 366.6</gadget>
<output>2_366.6</output>
<result>2_366.6</result>


9. What is the value of {_{9}**(•)} with two decimal places


甲乙两车从相距180千米的两地同时相向而行，甲车每小时行50千米，乙车每小时行40千米，几小时后两车相遇？

Cars A and B are traveling toward each other at the same time from two places 180 kilometers apart. Car A travels 50 kilometers per hour, and Car B travels 40 kilometers per hour. How many hours later will the two cars meet?

<gadget id="calculator">50 + 40</gadget>
<output>90</output>
<gadget id="calculator">180 / 90</gadget>
<output>2</output>
<result>2</result>


两个因数相乘，其中一个因数扩大10倍，要使积不变，另一个因数要缩小为原来的多少

When two factors are multiplied, one of the factors is enlarged by 10 times, to keep the product unchanged, the other factor must be reduced to the original value

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<result>1/10 = around 0.1</result>


一个长方体的长和宽都是4米，高是5米，如果底面积扩大5倍，要使体积不变，高应该是多少厘米．

The length and width of a cuboid are 4 meters, and the height is 5 meters. If the area of the base is enlarged by 5 times, how many centimeters should the height be to keep the volume constant?

<gadget id="calculator">5 / 5</gadget>
<output>1</output>
<gadget id="calculator">1 * 100</gadget>
<output>100</output>
<result>100</result>


一个长方体的体积是48m**3，长是8m、宽是5m、高是多少m．

The volume of a cuboid is 48m**3, the length is 8m, the width is 5m, and the height is m.

<gadget id="calculator">8 * 5</gadget>
<output>40</output>
<gadget id="calculator">48 / 40</gadget>
<output>6/5 = around 1.2</output>
<result>6/5 = around 1.2</result>


一本书看了35%，还剩多少没看．

35% of a book has been read, and how much is left unread.

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>
<gadget id="calculator">1 - (7/20)</gadget>
<output>13/20 = around 0.65</output>
<result>13/20 = around 0.65</result>


设上题答数是a=90．某项修桥工程，甲队单独做a天完成，乙队单独做270天完成，现在两队合做，中间甲队共休息了14天，乙队共休息了40天(但两队不会同一天休息)．那么从开始到完工共用了多少天．

Suppose the number of answers to the above question is a=90. For a certain bridge repair project, team A completed it alone in a day, and team B completed it in 270 days alone. Now the two teams are working together. In the middle, team A has rested for 14 days, and team B has rested for 40 days (but the two teams will not be the same. one day off). How many days did it take from start to finish?

<gadget id="calculator">1 / 270</gadget>
<output>1/270 = around 0.003704</output>
<gadget id="calculator">(1/270) * 14</gadget>
<output>7/135 = around 0.051852</output>
<gadget id="calculator">1 / 90</gadget>
<output>1/90 = around 0.011111</output>
<gadget id="calculator">(1/90) * 40</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">1 - (7/135) - (4/9)</gadget>
<output>68/135 = around 0.503704</output>
<gadget id="calculator">(1/90) + (1/270)</gadget>
<output>2/135 = around 0.014815</output>
<gadget id="calculator">(68/135) / (2/135)</gadget>
<output>34</output>
<gadget id="calculator">34 + 14 + 40</gadget>
<output>88</output>
<result>88</result>


<gadget id="calculator">16.8 / 4.8</gadget>
<output>3.5</output>
<gadget id="calculator">20.6 - 3.5</gadget>
<output>17.1</output>
<gadget id="calculator">3.5 * 17.1</gadget>
<output>59.85</output>
<result>59.85</result>


仓库里有一批粮食，第一次运走了全部的一半少40千克，第二次运走了余下的一半多20千克，最后还剩70千克．仓库中原有粮食多少千克？提示：还原问题，应采用逆推法，因此又称为逆推问题，作相反的运算，回到开始的状态．

There is a batch of grain in the warehouse, half of which is less than 40 kilograms in the first time, and the remaining half is more than 20 kilograms in the second time, and finally there are 70 kilograms left. How many kilograms of grain are there in the warehouse? Tip: To restore the problem, you should use the inverse method, so it is also called the inverse problem. Do the opposite operation and return to the original state.

<gadget id="calculator">70 + 20</gadget>
<output>90</output>
<gadget id="calculator">90 * 2</gadget>
<output>180</output>
<gadget id="calculator">180 - 40</gadget>
<output>140</output>
<gadget id="calculator">140 * 2</gadget>
<output>280</output>
<result>280</result>


一个长方体水池的底面长15分米，宽6分米，如果要向这个水池里注入4分米高的水，需要多少升水？

The bottom of a cuboid pool is 15 decimeters long and 6 decimeters wide. How many liters of water are needed to fill the pool with water at a height of 4 decimeters?

<gadget id="calculator">15 * 6 * 4</gadget>
<output>360</output>
<result>360</result>


王青买了6本笔记本和4枝圆珠笔，共用去22.6元．每枝圆珠笔1.9元，每本笔记本多少钱？(用方程解)

Wang Qing bought 6 notebooks and 4 ballpoint pens for 22.6 yuan. 1.9 yuan per ballpoint pen, how much is each notebook? (solution by equation)

<gadget id="calculator">4 * 1.9</gadget>
<output>7.6</output>
<gadget id="calculator">22.6 - 7.6</gadget>
<output>15</output>
<gadget id="calculator">15 / 6</gadget>
<output>5/2 = around 2.5</output>
<result>5/2 = around 2.5</result>


一根铁丝可以围成一个长16cm，宽10cm的长方形，现在把它改围成一个正方形，请问正方形的面积是多少平方厘米？

A piece of iron wire can form a rectangle with a length of 16cm and a width of 10cm. Now it can be changed into a square. What is the area of the square in square centimeters?

<gadget id="calculator">16 + 10</gadget>
<output>26</output>
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">26 * (1/2)</gadget>
<output>13</output>
<gadget id="calculator">13 * 13</gadget>
<output>169</output>
<result>169</result>


45与39的和除以它们的差，商是多少？正确列式为多少

What is the quotient of the sum of 45 and 39 divided by their difference? What is the correct column

<gadget id="calculator">45 + 39</gadget>
<output>84</output>
<gadget id="calculator">45 - 39</gadget>
<output>6</output>
<gadget id="calculator">84 / 6</gadget>
<output>14</output>
<result>14</result>


It is known that (1/(m))*(1/(n))=1. If m=3, then n=what

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<result>1/3 = around 0.333333</result>


将22块橡皮和33支铅笔平均分给参加打扫教室卫生的同学，结果橡皮多一块，铅笔少2支，参加打扫卫生的同学有多少名．

22 erasers and 33 pencils were evenly distributed to the students who participated in cleaning the classroom. As a result, there was one more eraser and two less pencils. How many students participated in the cleaning?


商店有100台洗衣机，如果按每台1200元出售，则每台可得20%的利润．但其中有一台在搬运时有些小问题了，所以只能打对折出售．那么卖出这些洗衣机一共赚了多少钱？

There are 100 washing machines in the store. If each machine is sold at 1200 yuan, each machine can get a 20% profit. But one of them had some minor problems during transportation, so it can only be sold at a 50% discount. So how much money did you make from selling these washing machines?

<gadget id="calculator">100 - 1</gadget>
<output>99</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1_200 * (1/5)</gadget>
<output>240</output>
<gadget id="calculator">99 * 240</gadget>
<output>23_760</output>
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1_200 * (1/2)</gadget>
<output>600</output>
<gadget id="calculator">1_200 - 240 - 600</gadget>
<output>360</output>
<gadget id="calculator">23_760 - 360</gadget>
<output>23_400</output>
<result>23_400</result>


(2/3)与(1/5)的和减去它们的差，结果是多少？

What is the sum of (2/3) and (1/5) minus their difference?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(2/3) + (1/5)</gadget>
<output>13/15 = around 0.866667</output>
<gadget id="calculator">(2/3) - (1/5)</gadget>
<output>7/15 = around 0.466667</output>
<gadget id="calculator">(13/15) - (7/15)</gadget>
<output>2/5 = around 0.4</output>
<result>2/5 = around 0.4</result>


希望小学组织部分学生去春游，四年级比五年级少去了50人．已知五年级去的人数是四年级的1.5倍，五年级去了多少人？

Hope Elementary School organizes some students to go on a spring outing, 50 fewer students in the fourth grade than in the fifth grade. It is known that the number of people who go to the fifth grade is 1.5 times that of the fourth grade. How many people go to the fifth grade?

<gadget id="calculator">1.5 - 1</gadget>
<output>0.5</output>
<gadget id="calculator">50 / 0.5</gadget>
<output>100</output>
<gadget id="calculator">100 + 50</gadget>
<output>150</output>
<result>150</result>


奋斗小学组织六年级同学到百花山进行野营拉练，行程每天增加2千米，已知去时用了5天，回来时用了4天，问：学校距离百花山多少千米？

Struggle Primary School organized sixth graders to go to Baihua Mountain for camping and training. The trip increased by 2 kilometers every day. It was known that it took 5 days to go there and 4 days to return. Ask: How many kilometers is the distance from the school to Baihua Mountain?

<gadget id="calculator">6 - 2</gadget>
<output>4</output>
<gadget id="calculator">2 * 4</gadget>
<output>8</output>
<gadget id="calculator">8 * 4</gadget>
<output>32</output>
<gadget id="calculator">32 + 34 + 36 + 38 + 40</gadget>
<output>180</output>
<result>180</result>


一桶油，已用去的和还剩下的比是3﹕5，已经用去了这捅油的((())/(()))．

For a barrel of oil, the ratio of the used oil to the remaining oil is 3:5, and the barrel of oil has been used ((())/(())).

<gadget id="calculator">3 + 5</gadget>
<output>8</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<result>3/8 = around 0.375</result>


今年春天，某学校买白杨树36棵，比柳树多12棵，松树的棵数比柳树的2倍少13棵，松树买了多少棵？

This spring, a school bought 36 poplars, 12 more than willows, and 13 fewer pine trees than twice as many willows. How many pine trees did they buy?

<gadget id="calculator">36 - 12</gadget>
<output>24</output>
<gadget id="calculator">24 * 2</gadget>
<output>48</output>
<gadget id="calculator">48 - 13</gadget>
<output>35</output>
<result>35</result>


一盆花200元，现促销：买4盆送1盆．妈妈要买5盆，每盆可以便宜多少钱？

A pot of flowers is 200 yuan, and the promotion is now: buy 4 pots and get 1 pot free. Mom wants to buy 5 pots, how much can each pot be cheaper?

<gadget id="calculator">4 + 1</gadget>
<output>5</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">200 * (4/5)</gadget>
<output>160</output>
<gadget id="calculator">200 - 160</gadget>
<output>40</output>
<result>40</result>


同学们做了3种不同颜色的花．每种25朵，布置教室用了一些后，还剩28朵．布置教室用去多少朵？

The students made flowers of 3 different colors. There are 25 flowers of each kind, and after using some to decorate the classroom, there are 28 flowers left. How many flowers are used to decorate the classroom?

<gadget id="calculator">25 * 3</gadget>
<output>75</output>
<gadget id="calculator">75 - 28</gadget>
<output>47</output>
<result>47</result>


一堆圆锥形黄沙，底面周长是31.4m，高是1.2m，如果把这些黄沙铺到宽4m的路上，要铺厚度10cm，能铺多长？

A pile of conical yellow sand, the circumference of the bottom surface is 31.4m, and the height is 1.2m. If the yellow sand is spread on a road with a width of 4m, the thickness of the pavement needs to be 10cm. How long can the pavement be?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>
<gadget id="calculator">31.4 / 6.28</gadget>
<output>5</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(1/10) * 4</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1.2 / (2/5)</gadget>
<output>3</output>
<gadget id="calculator">(1/3) * 3.14 * 25 * 3</gadget>
<output>78.5</output>
<result>78.5</result>


2010年上海世博会的举办时间是5月1日到10月31日，一共举办了多少．

The 2010 Shanghai World Expo will be held from May 1st to October 31st, how many events have been held in total?

<gadget id="calculator">31 * 4</gadget>
<output>124</output>
<gadget id="calculator">30 * 2</gadget>
<output>60</output>
<gadget id="calculator">124 + 60</gadget>
<output>184</output>
<result>184</result>


一个底是5cm，高0.3dm的三角形，按4：1作图，图上的三角形的面积是多少．

A triangle with a base of 5cm and a height of 0.3dm is drawn at 4:1. What is the area of the triangle on the picture?

<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">5 * 4 * 0.3 * 10 * 2</gadget>
<output>120</output>
<result>120</result>


快递员从甲地走到乙地计划用3小时．由于下雨，途中有3.6千米的路比较难走，走这段路时的速度只有原来的(3/4)，因此比计划晚到12分钟．从甲地到乙地的路程是多少千米？

The courier plans to travel from A to B in 3 hours. Due to the rain, there is a 3.6-kilometer road that is difficult to walk on the way. The speed of this road is only 3/4 of the original (3/4), so it is 12 minutes later than planned. How many miles is the distance from A to B?

<gadget id="calculator">3.6 / 0.6</gadget>
<output>6</output>
<gadget id="calculator">6 * 3</gadget>
<output>18</output>
<result>18</result>


一个正方形试验田，在它的右侧增加一块长4米的地成为一块长方形试验田，面积比原来增加了48平方米，现在的试验田的面积是多少平方米．

square test field, on the right side of which is added a piece of land 4 meters long to become a rectangular test field, the area is increased by 48 square meters compared with the original, what is the area of the present test field in square meters?

<gadget id="calculator">48 / 4</gadget>
<output>12</output>
<gadget id="calculator">12 + 4</gadget>
<output>16</output>
<gadget id="calculator">16 * 12</gadget>
<output>192</output>
<result>192</result>


一段木料锯成5段要8分钟，若锯成8段要多少分钟．

It takes 8 minutes to saw a piece of wood into 5 pieces, how many minutes will it take to saw it into 8 pieces?

<gadget id="calculator">5 - 1</gadget>
<output>4</output>
<gadget id="calculator">8 / 4</gadget>
<output>2</output>
<gadget id="calculator">8 - 1</gadget>
<output>7</output>
<gadget id="calculator">2 * 7</gadget>
<output>14</output>
<result>14</result>


书架上有两层书，上层有60本，拿出上层的(1/5)放入下层，这时两层书的本数相等，书架上共有书多少本？

There are two layers of books on the bookshelf. There are 60 books on the upper layer. Take out (1/5) from the upper layer and put them in the lower layer. At this time, the number of books on the two layers is equal. How many books are there in total on the bookshelf?

<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) * 2</gadget>
<output>96</output>
<result>96</result>


对任意的数a，b，规定f(a)=3a+2，g(b)=b**2，那么f6-g3=多少．

For arbitrary numbers a and b, it is stipulated that f(a)=3a+2, g(b)=b**2, then f6-g3=how many.

<gadget id="calculator">3 * 6</gadget>
<output>18</output>
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>
<gadget id="calculator">2 - 9</gadget>
<output>-7</output>
<gadget id="calculator">18 + (-7)</gadget>
<output>11</output>
<result>11</result>


兄弟俩一起收集魔兽卡，弟弟收集了a张，哥哥收集的张数是弟弟的(5/3)，兄弟俩一共收集了多少张．

The two brothers collected Warcraft cards together, the younger brother collected a card, the number of cards collected by the older brother was the younger brother's (5/3), how many cards did the two brothers collect in total?

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


张庄小学六年级学生中女生占(7/12)，后来又转来了15名女生，这样女生占六年级总人数的(3/5)，六年级原来有多少名学生？

Girls accounted for (7/12) of the sixth grade students in Zhangzhuang Primary School, and 15 girls were transferred later, so that girls accounted for (3/5) of the total number of sixth grade students. How many students were there in the sixth grade?

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(3/5) * 15</gadget>
<output>9</output>
<gadget id="calculator">15 - 9</gadget>
<output>6</output>
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>
<gadget id="calculator">(3/5) - (7/12)</gadget>
<output>1/60 = around 0.016667</output>
<gadget id="calculator">6 / (1/60)</gadget>
<output>360</output>
<result>360</result>


两个连续偶数的和是18，它们的最大公因数是多少．

The sum of two consecutive even numbers is 18, what is their greatest common factor?


有一堆苹果，分给2个、3个、4个、5个小朋友，都剩1个，这堆苹果至少有多少个？

There is a pile of apples, distributed to 2, 3, 4, 5 children, there is only 1 left, how many apples are there at least in this pile?

<gadget id="calculator">60 + 1</gadget>
<output>61</output>
<result>61</result>


一个圆柱体，已知高每减少1厘米，它的表面积就减少25.12平方厘米，如果高是3厘米，这个圆柱体的体积是多少立方厘米．

For a cylinder, the known height decreases by 1 cm, and its surface area decreases by 25.12 square centimeters. If the height is 3 cm, what is the volume of the cylinder in cubic centimeters?

<gadget id="calculator">12.56 / 1</gadget>
<output>12.56</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">3.14 * 4 * 3</gadget>
<output>37.68</output>
<result>37.68</result>


师徒两人加工一批零件，徒弟每天加工26个，比师傅每天少加工12个，他们一起工作了15天，一共加工多少个零件？

The master and the apprentice process a batch of parts. The apprentice processes 26 parts a day, which is 12 less than the master. They work together for 15 days. How many parts are processed in total?

<gadget id="calculator">26 + 12 + 26</gadget>
<output>64</output>
<gadget id="calculator">64 * 15</gadget>
<output>960</output>
<result>960</result>


现在有牛、羊、马吃一块地的草，草均匀生长，牛、马吃需要45天吃完，马、羊吃需要60天吃完，牛、羊吃需要90天吃完，牛、羊一起吃草的速度为马吃草的速度，求马、牛、羊一起吃，需多少时间？

Now there are cattle, sheep, and horses that eat grass in a piece of land, and the grass grows evenly. It takes 45 days for cattle and horses to eat, 60 days for horses and sheep, and 90 days for cattle and sheep. The speed of grazing together is the speed of horse grazing. How long does it take for horses, cows, and sheep to eat together?

<gadget id="calculator">36 / 1</gadget>
<output>36</output>
<result>36</result>


《科学家》丛书2.5元/本，《发明家》丛书4元/本，买两套丛书共花了22元，《科学家》有4本，《发明家》丛书有多少本？

The "Scientist" series is 2.5 yuan/book, and the "Inventor" series is 4 yuan/book. It costs a total of 22 yuan to buy two sets of books. There are 4 "Scientists", how many books are there in the "Inventor" series?

<gadget id="calculator">2.5 * 4</gadget>
<output>10</output>
<gadget id="calculator">22 - 10</gadget>
<output>12</output>
<gadget id="calculator">12 / 4</gadget>
<output>3</output>
<result>3</result>


世界上最大的鸟是鸵鸟，体重达135000克；最小的鸟是蜂鸟，体重只有1.6克．鸵鸟的体重是蜂鸟的多少倍？

The largest bird in the world is the ostrich, which weighs 135,000 grams; the smallest bird is the hummingbird, which weighs only 1.6 grams. How many times heavier is an ostrich than a hummingbird?

<gadget id="calculator">135_000 / 1.6</gadget>
<output>84_375</output>
<result>84_375</result>


龙博士、欧欧、奥斑马三人的年龄加在一起正好是100岁，龙博士的岁数正好等于欧欧过的月数，奥斑马过的星期数正好等于欧欧过的天数，那么他们三人年龄最大的是谁？是多少岁？

The combined ages of Dr. Long, Ou Ou and Ou Zebra are exactly 100 years old. Who is the oldest person? How old are you?

<gadget id="calculator">1 + 12 + 7</gadget>
<output>20</output>
<gadget id="calculator">100 / 20</gadget>
<output>5</output>
<gadget id="calculator">12 * 5</gadget>
<output>60</output>
<result>60</result>


农民伯伯要栽3156棵树，已经栽了25天，每天栽109棵，还剩多少没有栽？

The farmer uncle wants to plant 3,156 trees. He has planted 109 trees every day for 25 days. How many trees are left?

<gadget id="calculator">109 * 25</gadget>
<output>2_725</output>
<gadget id="calculator">3_156 - 2_725</gadget>
<output>431</output>
<result>431</result>


一个圆柱的体积是15.7立方厘米，两底面之间的距离是5厘米，这个圆柱的底面积是多少平方厘米．

The volume of a cylinder is 15.7 cubic centimeters and the distance between the two bases is 5 centimeters. What is the area of the bottom of this cylinder in square centimeters?

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


学校体育场楼下有308座位，楼上有8排，每排36个座位，楼下比楼上多多少个座位？

The school stadium has 308 seats downstairs and 8 rows upstairs with 36 seats in each row. How many more seats are downstairs than upstairs?

<gadget id="calculator">8 * 36</gadget>
<output>288</output>
<gadget id="calculator">308 - 288</gadget>
<output>20</output>
<result>20</result>


一瓶果汁450毫升，买36瓶，分给50个小朋友喝，平均每个小朋友喝多少毫升？

A bottle of fruit juice is 450ml, buy 36 bottles and distribute them to 50 children, how many milliliters does each child drink on average?

<gadget id="calculator">36 / 50</gadget>
<output>18/25 = around 0.72</output>
<gadget id="calculator">450 * (18/25)</gadget>
<output>324</output>
<result>324</result>


两数相乘积是210，其中一个因数不变，另一个因数扩大5倍，则积是多少．

The product of two numbers is 210, one of the factors remains unchanged, and the other factor is multiplied by 5, what is the product?

<gadget id="calculator">210 * 5</gadget>
<output>1_050</output>
<result>1_050</result>


张叔叔在菜市场买了4.5千克豆角，付了10元钱，找回1.9元．每千克豆角多少钱？

Uncle Zhang bought 4.5 kilograms of beans at the vegetable market, paid 10 yuan, and got back 1.9 yuan. How much per kilogram of beans?

<gadget id="calculator">10 - 1.9</gadget>
<output>8.1</output>
<gadget id="calculator">8.1 / 4.5</gadget>
<output>1.8</output>
<result>1.8</result>


一项工程，甲队单独要10天完成，乙队单独要15天完成，乙队先单独做5天，剩下由甲队完成，甲队做了多少天？

For a project, Team A alone needs 10 days to complete, Team B alone takes 15 days to complete, Team B works alone for 5 days first, and Team A completes the rest, how many days does Team A work on?

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/15) * 5</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">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(2/3) / (1/10)</gadget>
<output>20/3 = around 6.666667</output>
<result>20/3 = around 6.666667</result>


商店购进两筐苹果，每筐苹果的个数相等，甲筐卖出150个，乙筐卖出194个，剩下的苹果甲筐是乙筐的3倍，原来两筐各有苹果多少个？

The store buys two baskets of apples, each with the same number of apples. Basket A sells 150 apples, and Basket B sells 194 apples. The remaining apples in Basket A are three times that of Basket B. How many apples are there in each of the two baskets? ?

<gadget id="calculator">194 * 3</gadget>
<output>582</output>
<gadget id="calculator">582 - 150</gadget>
<output>432</output>
<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">432 / 2</gadget>
<output>216</output>
<result>216</result>


某商品因滞销而降价(1/10)，后来开拓了市场转为畅销，要恢复原价应提价多少．

The price of a product was reduced (1/10) due to unsalable, and later it opened up the market and became a best seller. How much should the price be increased to restore the original price?

<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">(1/10) / (9/10)</gadget>
<output>1/9 = around 0.111111</output>
<result>1/9 = around 0.111111</result>


学校组织280人秋游，计划正好坐4辆客车，实际每辆车坐了82人，实际每辆车比计划多坐几人？

The school organized an autumn outing for 280 people. The plan was to take exactly 4 buses, but each car actually took 82 people. How many more people did each car take than planned?

<gadget id="calculator">280 / 4</gadget>
<output>70</output>
<gadget id="calculator">82 - 70</gadget>
<output>12</output>
<result>12</result>


将1，2，3，4，5，6，7，8这8个数分成3组，分别计算各组数的和．已知这3个和互不相等，且最大的和是最小的和的2倍．问：最小的和是多少？

Divide the 8 numbers 1, 2, 3, 4, 5, 6, 7, and 8 into 3 groups, and calculate the sum of the numbers in each group respectively. It is known that these three sums are not equal to each other, and the largest sum is twice the smallest sum. Q: What is the smallest sum?


把一张正方形纸沿着同一方向对折3次，每一份是这张正方形纸的((())/(()))．

Fold a square paper in half along the same direction 3 times, each part is ((())/(())) of this square paper.

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<result>1/8 = around 0.125</result>


修一条公路，第一天修了全长的(2/5)，第二天修了全长的25%，还剩下1400米没修．这条公路全长多少米？

To build a road, the full length (2/5) was built on the first day, and 25% of the full length was repaired on the second day, leaving 1400 meters left to be repaired. How long is this road in meters?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (2/5) - (1/4)</gadget>
<output>7/20 = around 0.35</output>
<gadget id="calculator">1_400 / (7/20)</gadget>
<output>4_000</output>
<result>4_000</result>


在1千克水中加入50克糖，这时糖占水的多少

Add 50 grams of sugar to 1 kg of water, what is the percentage of sugar in the water

<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>
<gadget id="calculator">50 / 1_000</gadget>
<output>1/20 = around 0.05</output>
<result>1/20 = around 0.05</result>


本节车厢上层有104个座位，下层有78个座位．上层还有4个空位，下层还有8个空位．这节车厢有多少名乘客？

There are 104 seats on the upper deck and 78 seats on the lower deck. There are 4 vacancies on the upper level and 8 vacancies on the lower level. How many passengers are there in this car?

<gadget id="calculator">104 - 4</gadget>
<output>100</output>
<gadget id="calculator">78 - 8</gadget>
<output>70</output>
<gadget id="calculator">100 + 70</gadget>
<output>170</output>
<result>170</result>


甲、乙、丙三人快走，甲每分钟走60米，乙每分钟走70米，丙每分钟走80米，甲、乙从东村，丙从西村，同时相向而行，丙遇到乙后10分钟再遇甲，求东西两村相距多少千米？

A, B, and C walk quickly, A walks 60 meters per minute, B walks 70 meters per minute, and C walks 80 meters per minute. A, B walk from the east village, and C walks towards each other at the same time, and C meets B. Meet A again in the next 10 minutes, how many kilometers are there between the east and west villages?

<gadget id="calculator">60 + 80</gadget>
<output>140</output>
<gadget id="calculator">70 - 60</gadget>
<output>10</output>
<gadget id="calculator">10 / 10</gadget>
<output>1</output>
<gadget id="calculator">70 + 80</gadget>
<output>150</output>
<gadget id="calculator">150 / 1_000</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">140 * 1 * (3/20)</gadget>
<output>21</output>
<result>21</result>


小英和同学们在操场上测量出旗杆影子的长2m，同时测得直立的米尺影子长20cm，学校的旗杆有多高？

Xiaoying and her classmates measured the length of the shadow of the flagpole to be 2m on the playground, and at the same time measured the shadow of the upright meter stick to be 20cm long. How high is the flagpole at the school?

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 / (1/5)</gadget>
<output>5</output>
<gadget id="calculator">5 * 2</gadget>
<output>10</output>
<result>10</result>


一个直角三角形的三条边分别是3厘米、4厘米、5厘米，这个三角形的面积是多少平方厘米．

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

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">4 * (3/2)</gadget>
<output>6</output>
<result>6</result>


把一张边长24厘米的正方形纸对折4次后得到一个小正方形，这个小正方形的面积是多少平方厘米．

Fold a square paper with a side length of 24 cm in half 4 times to get a small square, what is the area of this small square in square centimeters?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">24 * (1/4)</gadget>
<output>6</output>
<gadget id="calculator">6 * 6</gadget>
<output>36</output>
<result>36</result>


<gadget id="calculator">24 - 18</gadget>
<output>6</output>
<gadget id="calculator">120 / 100</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">6 / (6/5)</gadget>
<output>5</output>
<result>5</result>


半期测试数学，某班50人又2人不及格，及格率是多少．

In the half-term mathematics test, there are 50 students in a class and 2 people fail, what is the passing rate?

<gadget id="calculator">50 - 2</gadget>
<output>48</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>


商店里有239包薯片，卖出一些后，还剩21包，后来又运进187包，现在商店有薯片多少包？

There are 239 packs of potato chips in the store. After selling some, there are 21 packs left, and then 187 packs are shipped in. How many packs of potato chips are there in the store now?

<gadget id="calculator">21 + 187</gadget>
<output>208</output>
<result>208</result>


有一块边长为40米的正方形的草地．为了方便给草地浇水，在草地的正中间建一个自动喷水装置，工人叔叔发现喷出的水柱射程最远刚好只能射到草地的边缘，有四个角仍然不能浇到水，问，没有浇到水的草地面积是多大？

There is a square field with a side length of 40 meters. In order to water the lawn conveniently, an automatic sprinkler device was built in the middle of the lawn. The worker uncle found that the sprayed water column can only reach the edge of the lawn at the farthest range, and there are still four corners that cannot be watered. Ask, What is the area of grass that is not watered?

<gadget id="calculator">40 * 40</gadget>
<output>1_600</output>
<gadget id="calculator">40 / 2</gadget>
<output>20</output>
<gadget id="calculator">20 ** 2</gadget>
<output>400</output>
<gadget id="calculator">3.14 * 400</gadget>
<output>1_256</output>
<gadget id="calculator">1_600 - 1_256</gadget>
<output>344</output>
<result>344</result>


玩具厂原来每天生产1200件玩具，现在7天生产了9520件．现在比原来每天多生产多少件？

The toy factory used to produce 1200 toys per day, but now it produces 9520 toys in 7 days. How many more pieces are produced per day now than before?

<gadget id="calculator">9_520 / 7</gadget>
<output>1_360</output>
<gadget id="calculator">1_360 - 1_200</gadget>
<output>160</output>
<result>160</result>


光明小学去年有学生1600人，今年比去年减少2.5%．今年有学生多少人？

Guangming Primary School had 1,600 students last year, a decrease of 2.5% this year compared to last year. How many students are there this year?

<gadget id="calculator">2.5 / 100</gadget>
<output>0.025</output>
<gadget id="calculator">1 - 0.025</gadget>
<output>0.975</output>
<gadget id="calculator">1_600 * 0.975</gadget>
<output>1_560</output>
<result>1_560</result>


直角三角形的两条直角边为3dm、5dm，分别以这两条直角边所在的直线为轴旋转一周，形成的两个旋转体中，体积较大的是多少．

The two right-angled sides of a right-angled triangle are 3dm and 5dm, and when the straight line where these two right-angled sides are located is used as the axis to rotate one circle, which of the two rotating bodies formed has the larger volume?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">(1/3) * 3.14 * 25 * 3</gadget>
<output>78.5</output>
<result>78.5</result>


某机床厂五月份上半月生产零件480个，下半月产量是上半月的(4/5)，这个机床厂五月份一共生产零件多少个？

machine tool factory produced 480 parts in the first half of May, and the output in the second half of the month was the first half (4/5). How many parts did the machine tool factory produce in total in May?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">480 * (4/5)</gadget>
<output>384</output>
<gadget id="calculator">384 + 480</gadget>
<output>864</output>
<result>864</result>


一艘轮船沿江在甲乙两地来回，轮船顺水时航行和逆水时航行的时间比是3：4，如果轮船顺水时的平均速度是40千米/小时，逆水时的平均速度是多少？(用比例解)

A ship goes back and forth between A and B along the river. The time ratio of the ship sailing along the current and upstream is 3:4. If the average speed of the ship traveling along the river is 40 km/h, what is the average speed of the ship traveling upstream? (Solve with ratio)

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 / 40</gadget>
<output>1/40 = around 0.025</output>
<gadget id="calculator">(3/4) / (1/40)</gadget>
<output>30</output>
<result>30</result>


下面各式的结果大于1的是多少

What is the result of the following formulas greater than 1?

<gadget id="calculator">1 / 0.9</gadget>
<output>1.111111</output>
<result>1.111111</result>


庆祝国庆60周年，学校在操场的四周每隔5米插一面彩旗．操场长60米，宽40米．一共需要插多少面彩旗．

To celebrate the 60th anniversary of the National Day, the school placed a colorful flag every 5 meters around the playground. The playground is 60 meters long and 40 meters wide. How many flags do you need in total?

<gadget id="calculator">60 + 40</gadget>
<output>100</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">100 * (2/5)</gadget>
<output>40</output>
<result>40</result>


把20克盐放入80克水中，含盐率为多少．

What is the salt content of 20 grams of salt in 80 grams of water?

<gadget id="calculator">20 + 80</gadget>
<output>100</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(1/5) * 1</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


一个数的商是71，除数是4，余数是3，这个数是多少．

The quotient of a number is 71, the divisor is 4, and the remainder is 3. What is this number?

<gadget id="calculator">71 * 4</gadget>
<output>284</output>
<gadget id="calculator">284 + 3</gadget>
<output>287</output>
<result>287</result>


把一段长5m的长方体木料锯成4段，表面积正好增加了12dm**2，这段木料的体积是多少dm**3．

If a piece of cuboid wood with a length of 5m is sawed into 4 pieces, the surface area is increased by 12dm**2, what is the volume of this piece of wood in dm**3.

<gadget id="calculator">4 - 1</gadget>
<output>3</output>
<gadget id="calculator">3 * 2</gadget>
<output>6</output>
<gadget id="calculator">12 / 6</gadget>
<output>2</output>
<gadget id="calculator">5 * 10</gadget>
<output>50</output>
<gadget id="calculator">2 * 50</gadget>
<output>100</output>
<result>100</result>


工厂原计划每天生产84台水泵，15天完成任务，结果提前了3天完成任务．实际每天生产多少台水泵？

The factory originally planned to produce 84 water pumps per day and complete the task in 15 days, but the task was completed 3 days ahead of schedule. How many pumps are actually produced per day?

<gadget id="calculator">15 - 3</gadget>
<output>12</output>
<gadget id="calculator">15 / 12</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">84 * (5/4)</gadget>
<output>105</output>
<result>105</result>


星期天，明明月了5位同学去看演出．走在路上，大家觉的口渴了，正巧路边有一家冷饮店．明明问服务员："汽水多少钱一瓶？"服务员告诉明明："1元一瓶，但每3个空瓶可以再换1瓶汽水．"大家数了数身上的钱，一共只有4元，只能买4瓶，可怎样才能让6个小伙伴每人都能喝上一瓶汽水呢？

On Sunday, Mingming Yue invited 5 students to watch the performance. Walking on the road, everyone felt thirsty, and there happened to be a cold drink shop on the side of the road. Mingming asked the waiter: "How much is a bottle of soda?" The waiter told Mingming: "1 yuan a bottle, but every 3 empty bottles can be exchanged for another bottle of soda." Everyone counted their money, and there was only 4 yuan in total. I can buy 4 bottles, but how can each of the 6 friends drink a bottle of soda?

<gadget id="calculator">4 + 1 + 1</gadget>
<output>6</output>
<result>6</result>


一堆沙子单独运，甲车要8天运完，乙车要10天运完．现在两队合运几天后剩下这项工程的(1/4)？列式多少

A pile of sand is transported separately, and it takes 8 days for car A to transport it, and it takes 10 days for car B to transport it. How many days after the joint operation of the two teams, is the remaining (1/4) of this project? How many columns

<gadget id="calculator">1 / 4</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 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(1/8) + (1/10)</gadget>
<output>9/40 = around 0.225</output>
<gadget id="calculator">(3/4) / (9/40)</gadget>
<output>10/3 = around 3.333333</output>
<result>10/3 = around 3.333333</result>


一块长方形菜地，长是120米，宽是60米，如果平均每平方米产白菜30千克，这块菜地共收白菜多少千克？

A rectangular vegetable field is 120 meters long and 60 meters wide. If the average yield of cabbage per square meter is 30 kilograms, how many kilograms of cabbage will be harvested in this vegetable field?

<gadget id="calculator">120 * 60 * 30</gadget>
<output>216_000</output>
<result>216_000</result>


一个占地8公顷的平行四边形的花池，底是200米，高是多少米．

A parallelogram flower pond covering an area of 8 hectares has a base of 200 meters and a height of 200 meters.

<gadget id="calculator">8 * 10_000</gadget>
<output>80_000</output>
<gadget id="calculator">80_000 / 200</gadget>
<output>400</output>
<result>400</result>


甲乙两船顺流而下，每小时行30千米，逆流而行，每小时行18千米，如果甲船顺行，乙船逆行，经过5小时同时回到各自的出发点，这5小时中有多少小时的时间甲乙两船是同向航行．

Ship A and ship B go down the current at 30 kilometers per hour, and against the current at 18 kilometers per hour. If ship A is going forward and ship B is going retrograde, they will return to their starting points at the same time after 5 hours. How many hours are there for the two ships A and B to sail in the same direction?

<gadget id="calculator">18 / 30</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(3/5) * 5</gadget>
<output>3</output>
<gadget id="calculator">1 + (3/5)</gadget>
<output>8/5 = around 1.6</output>
<gadget id="calculator">3 / (8/5)</gadget>
<output>15/8 = around 1.875</output>
<gadget id="calculator">5 - (15/8) - (15/8)</gadget>
<output>5/4 = around 1.25</output>
<result>5/4 = around 1.25</result>


<gadget id="calculator">280 / 4</gadget>
<output>70</output>
<gadget id="calculator">70 + 360</gadget>
<output>430</output>
<result>430</result>


纺织厂女工比男工多(3/5)，男工是女工的多少

There are more female workers than male workers in textile factories (3/5), and how many male workers are female workers

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 + (3/5)</gadget>
<output>8/5 = around 1.6</output>
<gadget id="calculator">1 / (8/5)</gadget>
<output>5/8 = around 0.625</output>
<result>5/8 = around 0.625</result>


小红读一本书，第一天读了全书的(1/6)，第二天读了余下的(1/3)，两天共读32页，这本书共有多少页．

Xiaohong reads a book. She reads (1/6) of the whole book on the first day and the rest (1/3) on the second day. She reads a total of 32 pages in two days. How many pages does this book have?

<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">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(5/6) * (1/3)</gadget>
<output>5/18 = around 0.277778</output>
<gadget id="calculator">(1/6) + (5/18)</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">32 / (4/9)</gadget>
<output>72</output>
<result>72</result>


与31相邻的两个数的积是多少

What is the product of two numbers adjacent to 31?

<gadget id="calculator">30 * 32</gadget>
<output>960</output>
<result>960</result>


一个底面周长为4分米的圆柱，侧面展开后得到一个正方形，这个圆柱的侧面积是多少平方分米．

A cylinder with a base circumference of 4 decimeters, and a square is obtained after unfolding the sides, what is the lateral area of the cylinder in square decimeters?

<gadget id="calculator">4 * 4</gadget>
<output>16</output>
<result>16</result>


有一种用六位数字表示日期的方法，如051127表示的是2005年11月27日，也就是从左到右，第一、二位表示年，第三、四位表示月，第五、六位表示日．如果用这种方法表示1991年的日期，那么全年中六个数字都不相同的日期有多少个．

There is a method of expressing the date with six digits. For example, 051127 represents November 27, 2005, that is, from left to right, the first and second digits represent the year, the third and fourth digits represent the month, and the fifth and sixth digits represent the month. The digits represent the day. If the date of 1991 is expressed in this way, how many dates in the whole year have six different numbers?

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


甲乙两地相距350千米，甲乙两车同时从两地相对开出，经过3.5小时后两车相遇，甲车每小时行49千米，乙车每小时行多少千米？(用不同的方程解答)

The distance between A and B is 350 kilometers. Cars A and B drive from the two places at the same time. After 3.5 hours, the two cars meet. Car A travels 49 kilometers per hour. How many kilometers does car B travel per hour? (solved with different equations)

<gadget id="calculator">49 * 3.5</gadget>
<output>171.5</output>
<gadget id="calculator">350 - 171.5</gadget>
<output>178.5</output>
<gadget id="calculator">178.5 / 3.5</gadget>
<output>51</output>
<result>51</result>


一块梯形广告牌，上底8米，下底12米，高10米．现将它双面刷油漆，如果每平方米用油漆0.2千克，这块广告牌需要多少千克油漆？

trapezoid billboard with an upper base of 8 meters, a lower base of 12 meters and a height of 10 meters. Now it is painted on both sides. If 0.2 kilograms of paint is used per square meter, how many kilograms of paint does this billboard need?

<gadget id="calculator">8 + 12</gadget>
<output>20</output>
<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">20 * 5 * 2 * 0.2</gadget>
<output>40</output>
<result>40</result>


一辆汽车上午行驶4小时，共行驶280千米；下午又行驶了3小时，共行驶了222千米．这辆汽车，下午每小时比上午每小时多行多少千米？

A car drives for 4 hours in the morning, a total of 280 km; in the afternoon for another 3 hours, a total of 222 km. How many kilometers does this car travel more per hour in the afternoon than in the morning?


师、徒二人共同加工一批零件，师、徒工作效率的比是5：4，他们共同加工一段时间后，徒弟比师父少加工了20个零件，这时师父加工了多少个零件？

The master and the apprentice work together to process a batch of parts. The ratio of the work efficiency of the master to the apprentice is 5:4. After they work together for a period of time, the apprentice processed 20 fewer parts than the master. How many parts did the master process at this time?

<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">20 / (1/5)</gadget>
<output>100</output>
<result>100</result>


红红做乘法计算题时，把其中一个因数21看成了12，结果得到的积比正确的积少了1107，正确的积是多少．

When Honghong was doing the multiplication problem, she regarded one of the factors, 21, as 12. The resulting product was 1107 less than the correct product. What is the correct product?

<gadget id="calculator">21 - 12</gadget>
<output>9</output>
<gadget id="calculator">1_107 / 9</gadget>
<output>123</output>
<gadget id="calculator">123 * 21</gadget>
<output>2_583</output>
<result>2_583</result>


小丽要做一件半圆形纸学具，半径5厘米，她至少需准备一张面积为多少平方厘米的长方形纸卡．

Xiaoli wants to make a semicircular paper school tool with a radius of 5 cm. She needs to prepare at least one rectangular paper card with an area of how many square centimeters.

<gadget id="calculator">5 * 2</gadget>
<output>10</output>
<gadget id="calculator">10 * 5</gadget>
<output>50</output>
<result>50</result>


一件衣服打七折后是35元，原价是多少元．

A piece of clothing is 35 yuan after a 30% discount. What is the original price?

<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">35 / (7/10)</gadget>
<output>50</output>
<result>50</result>


How much is it to write (254/1000)+(63/100) as a decimal

<gadget id="calculator">254 / 1_000</gadget>
<output>127/500 = around 0.254</output>
<gadget id="calculator">63 / 100</gadget>
<output>63/100 = around 0.63</output>
<gadget id="calculator">(127/500) + (63/100)</gadget>
<output>221/250 = around 0.884</output>
<result>221/250 = around 0.884</result>


玩具厂过去5天生产4000盒积木，现在每天生产1500盒，现在比过去每天多生产多少盒？

The toy factory produced 4,000 boxes of building blocks in the past 5 days, and now it produces 1,500 boxes a day. How many more boxes are produced now than in the past?

<gadget id="calculator">4_000 / 5</gadget>
<output>800</output>
<gadget id="calculator">1_500 - 800</gadget>
<output>700</output>
<result>700</result>


五星电器有一批电脑，第一周卖出30台，第二周卖出总数的25%，这时已卖的台数与剩下的台数比是2：3，这批电脑有多少台？

Five Star Electric has a batch of computers, sold 30 units in the first week, and sold 25% of the total in the second week. At this time, the ratio of the number of units sold to the number of remaining units is 2:3. How many units are there in this batch?

<gadget id="calculator">2 + 3</gadget>
<output>5</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(2/5) - (1/4)</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">30 / (3/20)</gadget>
<output>200</output>
<result>200</result>


在一道除法算式里，除数和商的积加上被除数的和是7.2，被除数是多少．

In a division formula, the sum of the product of the divisor and the quotient plus the dividend is 7.2, what is the dividend.

<gadget id="calculator">7.2 / 2</gadget>
<output>3.6</output>
<result>3.6</result>


甲乙二人分别从A、B两地同时出发，在A、B之间往返跑步，甲每秒跑3米，乙每秒跑7米，如果他们第三次相遇点与第四次相遇点的距离是150米，那么A、B之间的距离是多少米．

Two people, A and B, start from A and B at the same time, and run back and forth between A and B. A runs 3 meters per second, and B runs 7 meters per second. If the distance is 150 meters, what is the distance between A and B?

<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">2 * 2</gadget>
<output>4</output>
<gadget id="calculator">4 + 1</gadget>
<output>5</output>
<gadget id="calculator">3 + 7</gadget>
<output>10</output>
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">5 * (3/10)</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">4 - 1</gadget>
<output>3</output>
<gadget id="calculator">3 * 2</gadget>
<output>6</output>
<gadget id="calculator">6 + 1</gadget>
<output>7</output>
<gadget id="calculator">7 * (3/10)</gadget>
<output>21/10 = around 2.1</output>
<gadget id="calculator">(21/10) - 2</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(1/2) - (1/10)</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">150 / (2/5)</gadget>
<output>375</output>
<result>375</result>


国家国定个人收入超过3500元的部分(这部分指不高于3500元)按3%缴纳个人所得税，小明的爸爸每月工资收入是4700元，小明的爸爸每月应缴个人所得税多少元？

The part of the country’s national personal income exceeding 3,500 yuan (this part refers to no more than 3,500 yuan) is subject to personal income tax at 3%. Xiaoming’s father’s monthly salary income is 4,700 yuan. How much is Xiaoming’s father’s monthly personal income tax?

<gadget id="calculator">4_700 - 3_500</gadget>
<output>1_200</output>
<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>
<gadget id="calculator">1_200 * (3/100)</gadget>
<output>36</output>
<result>36</result>


期中考试王晓的成绩语文是95分，数学成绩是90分，英语成绩考多少分就可以使这三门功课的平均成绩为91分．

In the mid-term exam, Wang Xiao scored 95 points in Chinese and 90 points in mathematics. How many points in the English test can make the average score of these three subjects 91 points.

<gadget id="calculator">91 * 3</gadget>
<output>273</output>
<gadget id="calculator">273 - 90 - 95</gadget>
<output>88</output>
<result>88</result>


18*24=432，如果18扩大3倍，24缩小3倍，现在积是多少．

18*24=432, if 18 is enlarged by 3 times and 24 is reduced by 3 times, what is the product now.

<gadget id="calculator">18 * 24</gadget>
<output>432</output>
<result>432</result>


六一儿童节，老师要为同学们买礼品，每人5元，全班有49人，需要多少元？

On Children's Day, the teacher wants to buy gifts for the students. Each person is 5 yuan. There are 49 students in the class. How much is it worth?

<gadget id="calculator">5 * 49</gadget>
<output>245</output>
<result>245</result>


2.8/6商是0.4时，余数是多少．

When the quotient of 2.8/6 is 0.4, what is the remainder?

<gadget id="calculator">0.4 * 6</gadget>
<output>2.4</output>
<gadget id="calculator">2.8 - 2.4</gadget>
<output>0.4</output>
<result>0.4</result>


要使□34/34商是两位数，□最小填多少．

To make the quotient of □34/34 have two digits, what is the minimum number of □.


妈妈用20元钱买了2千克西红柿，找回的钱正好买3千克黄瓜，黄瓜每千克4.8元，西红柿每千克多少钱？

My mother bought 2 kilograms of tomatoes with 20 yuan, and the money I got back was exactly 3 kilograms of cucumbers. Cucumbers are 4.8 yuan per kilogram. How much is a kilogram of tomatoes?

<gadget id="calculator">4.8 * 3</gadget>
<output>14.4</output>
<gadget id="calculator">20 - 14.4</gadget>
<output>5.6</output>
<gadget id="calculator">5.6 / 2</gadget>
<output>2.8</output>
<result>2.8</result>


<gadget id="calculator">(-10) + 25</gadget>
<output>15</output>
<result>15</result>


甲、乙两车同时从相距230千米的两地相向而行，3小时后两车还相距35千米．已知甲车每小时行48千米，乙车每小时行多少千米？

Cars A and B are traveling toward each other at the same time from two places 230 kilometers apart. After 3 hours, the distance between the two cars is still 35 kilometers. It is known that car A travels 48 kilometers per hour, how many kilometers per hour does car B travel?

<gadget id="calculator">230 - 35</gadget>
<output>195</output>
<gadget id="calculator">195 / 3</gadget>
<output>65</output>
<gadget id="calculator">65 - 48</gadget>
<output>17</output>
<result>17</result>


小花家离体育广场有4000米，合多少千米．

Xiaohua's house is 4,000 meters away from the Sports Plaza, how many kilometers.

<gadget id="calculator">4_000 / 1_000</gadget>
<output>4</output>
<result>4</result>


含盐20%的盐水300克再加100克的水，得到的盐水含盐百分比是多少．

If 300 grams of salt water with 20% salt is added to 100 grams of water, what is the percentage of salt in the obtained salt water?

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/5) * 300</gadget>
<output>60</output>
<gadget id="calculator">300 + 100</gadget>
<output>400</output>
<gadget id="calculator">60 / 400</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(3/20) * 1</gadget>
<output>3/20 = around 0.15</output>
<result>3/20 = around 0.15</result>


一个长方体的铁皮水桶(无盖)，长0.4米，宽0.3米，高0.8米，做这个铁皮水桶大约要用多少平方米的铁皮？

A cuboid tin bucket (without a cover) is 0.4 meters long, 0.3 meters wide, and 0.8 meters high. How many square meters of tin is used to make this tin bucket?

<gadget id="calculator">0.3 * 0.4</gadget>
<output>0.12</output>
<gadget id="calculator">0.4 * 0.8</gadget>
<output>0.32</output>
<gadget id="calculator">0.3 * 0.8</gadget>
<output>0.24</output>
<gadget id="calculator">0.32 + 0.24</gadget>
<output>0.56</output>
<gadget id="calculator">0.56 * 2</gadget>
<output>1.12</output>
<gadget id="calculator">0.12 + 1.12</gadget>
<output>1.24</output>
<result>1.24</result>


There are three scores (1111/11111), (11111/111111), (111111/1111111), please compare what is the largest score.


运动场跑道一圈是400米，王叔叔每天坚持跑2圈半．他每天跑多少米？

One lap of the sports track is 400 meters, and Uncle Wang insists on running two and a half laps every day. How many meters does he run every day?

<gadget id="calculator">400 * 2.5</gadget>
<output>1_000</output>
<result>1_000</result>


丽丽在2011年5月份将1000元钱存入银行，定期三年，当时的年利率为4.75%，三年后丽丽可取得年息多少

Lili deposited 1,000 yuan in the bank in May 2011 for a period of three years. The annual interest rate at that time was 4.75%. How much annual interest will Lili get after three years?

<gadget id="calculator">4.75 / 100</gadget>
<output>0.0475</output>
<gadget id="calculator">1_000 * 0.0475 * 3</gadget>
<output>142.5</output>
<result>142.5</result>


李枫看一本书，第一周看了全书的45%，第二周看了全书的(2/5)，还有60页没有看．这本书一共有多少页？

Li Feng reads a book, read 45% of the whole book in the first week, read the whole book (2/5) in the second week, and left 60 pages unread. How many pages does this book have?

<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(9/20) + (2/5)</gadget>
<output>17/20 = around 0.85</output>
<gadget id="calculator">1 - (17/20)</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">60 / (3/20)</gadget>
<output>400</output>
<result>400</result>


两个数的最大公约数是15，最小公倍数是180，已知其中一个数是60，另一个数是多少

The greatest common divisor of two numbers is 15, and the least common multiple is 180. It is known that one of the numbers is 60, and what is the other number

<gadget id="calculator">180 / 60</gadget>
<output>3</output>
<gadget id="calculator">15 * 3</gadget>
<output>45</output>
<result>45</result>


六3班女生人数是男生人数的(1/3)，女生占全班人数的百分之几？

The number of girls in class 6 and 3 is 1/3 of the number of boys. What percentage of the whole class are girls?

<gadget id="calculator">1 + 3</gadget>
<output>4</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


In 1-(5/9), 1 can be regarded as how many ((())/(())).

<gadget id="calculator">9 / 9</gadget>
<output>1</output>
<gadget id="calculator">9 / 1</gadget>
<output>9</output>
<result>9</result>


把一段体积是24立方分米的圆柱体，切削成一个体积最大的圆锥，削去的体积是多少立方厘米．

If a cylinder with a volume of 24 cubic decimeters is cut into a cone with the largest volume, what is the volume cut off in cubic centimeters?

<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">24 * (2/3)</gadget>
<output>16</output>
<result>16</result>


一段绳子，剪去(1/6)，剩下的比剪去的多多少

A piece of string, cut off (1/6), how much more is left than cut off

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 - (1/6) - (1/6)</gadget>
<output>2/3 = around 0.666667</output>
<result>2/3 = around 0.666667</result>


请你把15个苹果分装在四个盒子里，使得无论要拿几个苹果都不用再打开盒子，只要把其中一个或几个盒子拿走就可以了，那么这四个盒子中，装的最多的盒子里有多少个苹果．

Please put 15 apples into four boxes, so that no matter how many apples you want to take, you don’t need to open the box, just take one or several boxes away, then in these four boxes, the How many apples are in the largest box.


王奶奶在卖报纸，这种报纸的批发价是每份0.85元，出售价是1元．王奶奶卖完全部的报纸刚好赚了11.1元钱．请你算算她共卖了几份报纸．

Grandma Wang is selling newspapers. The wholesale price of this kind of newspaper is 0.85 yuan per copy, and the selling price is 1 yuan. Grandma Wang just made 11.1 yuan by selling all the newspapers. Please calculate how many newspapers she sold.

<gadget id="calculator">1 - 0.85</gadget>
<output>0.15</output>
<gadget id="calculator">11.1 / 0.15</gadget>
<output>74</output>
<result>74</result>


有5位同学，每两位同学握一次手，共要握多少次手．

There are 5 classmates, every two classmates shake hands once, how many times should they shake hands in total?

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


五年级一班共有41个同学，将参加绘画、航模．舞蹈三个兴趣小组，要求每人选其中的两项，已知航模组有27人，那么同时选绘画和舞蹈的同学有多少人？

There are a total of 41 students in the fifth grade class, who will participate in painting, model airplane. There are three interest groups for dance, and each person is required to choose two of them. It is known that there are 27 people in the aircraft model group, so how many students choose painting and dance at the same time?

<gadget id="calculator">41 - 27</gadget>
<output>14</output>
<result>14</result>


甲数是34，乙数比甲数的3倍少19，乙数是多少．

The number of A is 34, and the number of B is 19 less than 3 times of the number of A. What is the number of B?

<gadget id="calculator">34 * 3</gadget>
<output>102</output>
<gadget id="calculator">102 - 19</gadget>
<output>83</output>
<result>83</result>


六一期间书店将定价30元的一本书降价20%出售，结果还获得25%的利润，这本书的进价是多少元．

During June 1st, the bookstore sells a book priced at 30 yuan at a 20% discount, resulting in a 25% profit. What is the purchase price of this book?

<gadget id="calculator">20 / 100</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">25 / 100</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">(4/5) / (5/4)</gadget>
<output>16/25 = around 0.64</output>
<gadget id="calculator">30 * (16/25)</gadget>
<output>96/5 = around 19.2</output>
<result>96/5 = around 19.2</result>


一盒药共10片，如果每天吃2次，每次吃半片，这盒药可以吃多少天．

There are 10 tablets in a box of medicine. If you take half a tablet twice a day, how many days can you take this box of medicine?

<gadget id="calculator">2 * 0.5</gadget>
<output>1</output>
<gadget id="calculator">10 / 1</gadget>
<output>10</output>
<result>10</result>


小明做数学作业用了(1/4)小时，做语文作业比做数学作业少用了0.3小时．小明完成数学和语文作业一共用了多少小时．

Xiao Ming spent (1/4) hour on math homework, and 0.3 hours less on Chinese homework than on math homework. How many hours did it take Xiao Ming to complete the math and Chinese homework?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/4) - 0.3</gadget>
<output>-0.05</output>
<gadget id="calculator">(-0.05) + (1/4)</gadget>
<output>0.2</output>
<result>0.2</result>


在一幅比例尺为1：3000的地图上，量得甲乙两地的距离是4.5厘米，甲乙两地的实际距离为多少千米．

On a map with a scale of 1:3000, the measured distance between A and B is 4.5 cm. What is the actual distance between A and B in kilometers?

<gadget id="calculator">1 / 3_000</gadget>
<output>1/3_000 = around 0.000333</output>
<gadget id="calculator">4.5 / (1/3_000) / 100_000</gadget>
<output>0.135</output>
<result>0.135</result>


两组架线工人一起架设一段电话线，第一组每小时架设900米，第二组每小时架设750米．两组分别从线路的两端向中间架设，结果第一组比第二组早2小时架设到线路的中点．这段电话线有多长？

Two groups of linemen work together to erect a section of telephone line. The first group erects 900 meters per hour, and the second group erects 750 meters per hour. The two groups were erected from both ends of the line to the middle, and the result was that the first group was erected to the midpoint of the line 2 hours earlier than the second group. How long is this phone line?

<gadget id="calculator">900 - 750</gadget>
<output>150</output>
<gadget id="calculator">2 / 150</gadget>
<output>1/75 = around 0.013333</output>
<gadget id="calculator">750 * (1/75)</gadget>
<output>10</output>
<gadget id="calculator">10 * 900 * 2</gadget>
<output>18_000</output>
<result>18_000</result>


李华2005年6月份满11岁，他是多少年出生的．

Li Hua turned 11 in June 2005. When was he born?

<gadget id="calculator">2_005 - 11</gadget>
<output>1_994</output>
<result>1_994</result>


一块长方形地的周长160米，长是宽的3倍，这块长方形地的面积是多少平方米？

The perimeter of a rectangular piece of land is 160 meters, and the length is three times the width. What is the area of this rectangular piece of land in square meters?

<gadget id="calculator">3 + 1</gadget>
<output>4</output>
<gadget id="calculator">160 / 2 / 4</gadget>
<output>20</output>
<gadget id="calculator">20 * 3</gadget>
<output>60</output>
<gadget id="calculator">60 * 20</gadget>
<output>1_200</output>
<result>1_200</result>


小华读一本故事书，每天读24页，读了8天后还有一半没有读，这本书共有多少页？

Xiaohua reads a storybook, 24 pages a day, and half of it is left after 8 days of reading. How many pages does this book have?

<gadget id="calculator">24 * 8 * 2</gadget>
<output>384</output>
<result>384</result>


从一副(54张)扑克牌中，至少要摸出多少张才能保证4种花色都有？请说明理由．

From a deck (54) of playing cards, how many cards must be drawn at least to ensure that there are 4 suits? Please explain why.

<gadget id="calculator">13 * 3</gadget>
<output>39</output>
<gadget id="calculator">39 + 2 + 1</gadget>
<output>42</output>
<result>42</result>


某校四年级一班有男生22人，女生26人，全年级共有学生144人．四年级学生总数是四年一班总人数的多少倍？

There are 22 boys and 26 girls in Class 1 of the fourth grade in a certain school. There are 144 students in the whole grade. How many times is the total number of fourth-grade students the total number of four-year classes?

<gadget id="calculator">22 + 26</gadget>
<output>48</output>
<gadget id="calculator">144 / 48</gadget>
<output>3</output>
<result>3</result>


<gadget id="calculator">0.178 * 72.6</gadget>
<output>12.9228</output>
<gadget id="calculator">1.78 * 2.74</gadget>
<output>4.8772</output>
<gadget id="calculator">12.9228 + 4.8772</gadget>
<output>17.8</output>
<result>17.8</result>


一本书的价格是27元，一本书的价格是一只钢笔的价格的3倍，买一支钢笔和一本书共需要多少钱？

The price of a book is 27 yuan, and the price of a book is three times the price of a pen. How much does it cost to buy a pen and a book?

<gadget id="calculator">27 / 3</gadget>
<output>9</output>
<gadget id="calculator">9 + 27</gadget>
<output>36</output>
<result>36</result>


全校师生积极为灾区人民捐款，其中六年级的捐款数占全校总捐款数的(2/7)，五年级的捐款数是六年级的(2/3)，五年级的捐款数占全校总捐款数的几分之几？

The teachers and students of the school actively donate to the people in the disaster area. Among them, the donations of the sixth grade accounted for (2/7) of the total donations of the whole school, the donations of the fifth grade accounted for 2/3 of the total donations of the whole school, and the donations of the fifth grade accounted for the total donations of the whole school. What percentage of the donation?

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(2/7) * (2/3)</gadget>
<output>4/21 = around 0.190476</output>
<result>4/21 = around 0.190476</result>


王老师买体育用品，买篮球用去75元，买羽毛球拍用去55元，付给营业员200元．应该找回多少元？

Teacher Wang bought sporting goods, 75 yuan for basketball, 55 yuan for badminton racket, and 200 yuan for the salesperson. How much should I get back?

<gadget id="calculator">75 + 55</gadget>
<output>130</output>
<gadget id="calculator">200 - 130</gadget>
<output>70</output>
<result>70</result>


一桶油吃了它的(4/5)，正好吃了16千克．这桶油原有多少千克？

A barrel of oil ate it (4/5), exactly 16 kilograms. How many kilograms is this barrel of oil originally?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">16 / (4/5)</gadget>
<output>20</output>
<result>20</result>


笑笑家离学校100米，她走多少次就是1千米．

Xiaoxiao's home is 100 meters away from the school, and how many times she walks is 1 kilometer.

<gadget id="calculator">1_000 / 100</gadget>
<output>10</output>
<gadget id="calculator">1 * 10</gadget>
<output>10</output>
<result>10</result>


一条长方形街道，长15米，宽3米，用边长是3分米的正方形地砖铺，需要多少块？

A rectangular street with a length of 15 meters and a width of 3 meters is paved with square floor tiles with a side length of 3 decimeters. How many pieces are needed?

<gadget id="calculator">3 * 3</gadget>
<output>9</output>
<gadget id="calculator">100 / 9</gadget>
<output>100/9 = around 11.111111</output>
<gadget id="calculator">15 * 3 * (100/9)</gadget>
<output>500</output>
<result>500</result>


今天红红8岁，姐姐13岁，10年后，姐姐比红红大多少岁．

Honghong is 8 years old today, and her sister is 13 years old. After 10 years, how much older will her sister be than Honghong?

<gadget id="calculator">13 - 8</gadget>
<output>5</output>
<result>5</result>


一卷绳子长26.8米，班上要进行跳长绳训练，明明剪下两根一样长的跳绳，长度都是4.8米，这卷绳子还剩多少米？

roll of rope is 26.8 meters long. The class is going to practice long rope skipping. I cut two skipping ropes of the same length, both of which are 4.8 meters long. How many meters are left in this roll of rope?

<gadget id="calculator">4.8 * 2</gadget>
<output>9.6</output>
<gadget id="calculator">26.8 - 9.6</gadget>
<output>17.2</output>
<result>17.2</result>


一个圆锥的体积是4.5m**3，与它等底等高的圆柱的体积是多少cm**3．

The volume of a cone is 4.5m**3, what is the volume of a cylinder with the same base and height in cm**3.

<gadget id="calculator">4.5 * 3 * 1_000</gadget>
<output>13_500</output>
<result>13_500</result>


一个等腰三角形，它的一个底角是54°，它的顶角是多少．

An isosceles triangle, one of its base angles is 54°, what is its apex angle?

<gadget id="calculator">54 * 2</gadget>
<output>108</output>
<gadget id="calculator">180 - 108</gadget>
<output>72</output>
<result>72</result>


水结成冰后，体积大约增加(1/10)．现有20L的水，能结成多少立方分米的冰？

When water freezes, its volume increases approximately (1/10). How many cubic decimeters of ice can be formed in 20L of water?

<gadget id="calculator">1 / 10</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">20 * (11/10)</gadget>
<output>22</output>
<result>22</result>


一个棱长为9dm的正方体，它的表面积是多少平方分米．

What is the surface area of a cube with side length 9dm?

<gadget id="calculator">9 * 9 * 6</gadget>
<output>486</output>
<result>486</result>


一捆电线，第一次用去它的(3/8)，第二次用去15米，还剩30米．这捆电线一共有多少米？

For a bundle of wires, 3/8 of it is used for the first time, and 15 meters are used for the second time, leaving 30 meters left. How many meters is this bundle of wires in total?

<gadget id="calculator">15 + 30</gadget>
<output>45</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">45 / (5/8)</gadget>
<output>72</output>
<result>72</result>


在直角三角形中，一个锐角是43°，另一个锐角是多少．

In a right triangle, one acute angle is 43°, what is the other acute angle.

<gadget id="calculator">90 - 43</gadget>
<output>47</output>
<result>47</result>


5：2的后项扩大到原来的3倍，要使比值不变，前项应该加上多少．

The latter term of 5:2 is enlarged to 3 times of the original, how much should be added to the former term to keep the ratio unchanged.

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


六1班要过儿童节，大家都忙着做小花朵．小红花占小花朵总数的40%，小黄花占小花朵总数的20%．小红花比小黄花多百分之几？

Class 6 and Class 1 are celebrating Children's Day, and everyone is busy making little flowers. Small red flowers accounted for 40% of the total number of small flowers, and small yellow flowers accounted for 20% of the total number of small flowers. How many percent are the small red flowers more than the small yellow flowers?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(2/5) - (1/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/5) / (1/5)</gadget>
<output>1</output>
<result>1</result>


与42/31得数相等的算式是多少

What is the formula that is equal to the result of 42/31

<gadget id="calculator">42 / 31</gadget>
<output>42/31 = around 1.354839</output>
<result>42/31 = around 1.354839</result>


小明的爸爸将3000元钱存入银行，存期为三年，年利率是3.34%，利息税为5%．到期后小明的爸爸能取得本金和税后利息共多少元？

Xiaoming's father deposited 3,000 yuan in the bank for a period of three years, with an annual interest rate of 3.34% and interest tax of 5%. How much can Xiaoming's father get the principal and after-tax interest after the maturity date?

<gadget id="calculator">3.34 / 100</gadget>
<output>0.0334</output>
<gadget id="calculator">3_000 * 0.0334 * 3</gadget>
<output>300.6</output>
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>
<gadget id="calculator">300.6 * (19/20)</gadget>
<output>285.57</output>
<gadget id="calculator">285.57 + 3_000</gadget>
<output>3_285.57</output>
<result>3_285.57</result>


学校举行读书节活动，前三天看了这本书的(1/4)，正好是60页．这本故事书有多少页？

The school held a reading festival, and I read (1/4) of this book three days ago, which happened to be 60 pages. How many pages does this storybook have?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">60 / (1/4)</gadget>
<output>240</output>
<result>240</result>


把一个圆柱体加工成一个最大的圆锥体后，它的体积减少了40立方厘米，原来圆柱体的体积是多少立方厘米．

After processing a cylinder into the largest cone, its volume is reduced by 40 cubic centimeters. What is the volume of the original cylinder in cubic centimeters?

<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">40 / (2/3)</gadget>
<output>60</output>
<result>60</result>


一个长方体零件的高是3厘米，底面周长是28厘米，长和宽的比是4：3．求这个长方体的体积是多少立方厘米？

The height of a cuboid part is 3 cm, the circumference of the base is 28 cm, and the ratio of length to width is 4:3. What is the volume of this cuboid in cubic centimeters?

<gadget id="calculator">28 / 2</gadget>
<output>14</output>
<gadget id="calculator">4 + 3</gadget>
<output>7</output>
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>
<gadget id="calculator">14 * (4/7)</gadget>
<output>8</output>
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">14 * (3/7)</gadget>
<output>6</output>
<gadget id="calculator">8 * 6 * 3</gadget>
<output>144</output>
<result>144</result>


湖滨新城某小学五年级男、女生人数的比是5：4，男生比女生多12人，女生有多少人？

The ratio of the number of boys to girls in the fifth grade of a primary school in Hubin New City is 5:4. There are 12 more boys than girls. How many girls are there?

<gadget id="calculator">5 - 4</gadget>
<output>1</output>
<gadget id="calculator">12 / 1</gadget>
<output>12</output>
<gadget id="calculator">12 * 4</gadget>
<output>48</output>
<result>48</result>


书柜高1.75米，小明高1.38米，他站在凳子上比书柜高0.08米．凳子高多少米？

The height of the bookcase is 1.75 meters, and that of Xiaoming is 1.38 meters. Standing on the stool, he is 0.08 meters taller than the bookcase. How high is the stool?

<gadget id="calculator">0.08 - 1.38</gadget>
<output>-1.3</output>
<gadget id="calculator">1.75 + (-1.3)</gadget>
<output>0.45</output>
<result>0.45</result>


苹果每千克8元，香蕉每千克6元．妈妈买3千克苹果和5千克香蕉，应付多少钱？

Apples are 8 yuan per kilogram, and bananas are 6 yuan per kilogram. How much should my mother pay for buying 3 kilograms of apples and 5 kilograms of bananas?

<gadget id="calculator">8 * 3</gadget>
<output>24</output>
<gadget id="calculator">6 * 5</gadget>
<output>30</output>
<gadget id="calculator">24 + 30</gadget>
<output>54</output>
<result>54</result>


在一幅地图上，用10cm的线段表示90km的实际距离，则这幅地图的比例尺是多少

On a map, the actual distance of 90 km is represented by a line segment of 10 cm, what is the scale of the map?


有两个长方形，长都是2厘米，宽都是1厘米，把它们拼成一个正方形，这个正方形的周长是多少厘米厘米．

If there are two rectangles with a length of 2 cm and a width of 1 cm, put them together to form a square, what is the perimeter of the square in cm?

<gadget id="calculator">2 * 4</gadget>
<output>8</output>
<result>8</result>


某工地的一项工程，原计划由30人工作，每天工作8小时，45天完工，为了提前完工，实际由54人工作，每天工作10小时，可以提前几天完工？

A project on a construction site was originally planned to be completed by 30 people working 8 hours a day and completed in 45 days. In order to finish the project ahead of schedule, 54 people actually worked 10 hours a day. How many days earlier can the project be completed?

<gadget id="calculator">45 / 54 / 10</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">30 * 8 * (1/12)</gadget>
<output>20</output>
<gadget id="calculator">45 - 20</gadget>
<output>25</output>
<result>25</result>


一个正方形，如果一条边增加6厘米，另一条边也增加6厘米，所得的大正方形的面积比原来增加了108平方厘米．求原正方形的边长．

For a square, if one side is increased by 6 cm and the other side is also increased by 6 cm, the area of the resulting large square is 108 cm2 larger than the original. Find the side length of the original square.


某车间加工一批零件，原计划每天加工80个，24天完成，实际每天加工96个，这样比原计划提前几天完成任务？

A workshop processes a batch of parts. The original plan is to process 80 parts per day, and it will be completed in 24 days. The actual process is 96 parts per day. How many days earlier than the original plan can the task be completed?

<gadget id="calculator">24 / 96</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">80 * (1/4)</gadget>
<output>20</output>
<gadget id="calculator">24 - 20</gadget>
<output>4</output>
<result>4</result>


把两个棱长都是10厘米的正方体拼成一个长方体后，表面积减少多少平方厘米．

How many square centimeters will the surface area be reduced if two cubes with sides of 10 cm long are put together to form a cuboid?

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


一条公路已经修了全长的(3/5)，还剩60千米，这条路全长多少千米．

A highway has been repaired for the full length (3/5), and there are 60 kilometers left. How many kilometers is the total length of this road?

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">60 / (2/5)</gadget>
<output>150</output>
<result>150</result>


12吨增加它的(1/4)后，再减3吨，结果是多少吨

After adding (1/4) to 12 tons and then subtracting 3 tons, what is the result?

<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">12 * (5/4)</gadget>
<output>15</output>
<gadget id="calculator">15 - 3</gadget>
<output>12</output>
<result>12</result>


一桶汽油连桶共重25千克，用去(1/3)，连桶还有17千克．原来有汽油多少千克？

A barrel of gasoline with the barrels weighs 25 kilograms in total, and if (1/3) is used up, there are still 17 kilograms with the barrels. How many kilograms of gasoline are there?

<gadget id="calculator">25 - 17</gadget>
<output>8</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">8 / (1/3)</gadget>
<output>24</output>
<result>24</result>


甲、乙、丙三人合买了8个面包，平均分着吃．甲付了5个面包的钱，乙付了3个面包的钱，丙没带钱．吃完后算了一下，丙应该拿出4元8角钱．问丙应给甲、乙各多少钱？(提示：从丙付4元8角，可知8个面包共14元4角，即4元8角*3，先求出每个面包的价钱．)．

A, B, and C jointly bought 8 loaves and shared them equally. A paid for 5 loaves, B paid for 3 loaves, and C did not bring any money. After I finished eating, I did the math, and C should take out 4 yuan and 80 cents. How much should C give to A and B? (Reminder: From C’s payment of 4 yuan and 8 jiao, it can be known that 8 loaves total 14 yuan and 4 jiao, that is, 4 yuan and 8 jiao*3, first find the price of each loaf.).

<gadget id="calculator">8 / 3</gadget>
<output>8/3 = around 2.666667</output>
<gadget id="calculator">4.8 / (8/3)</gadget>
<output>1.8</output>
<gadget id="calculator">1.8 * 5</gadget>
<output>9</output>
<gadget id="calculator">9 - 4.8</gadget>
<output>4.2</output>
<result>4.2</result>


一条路已修300米，比未修的少(1/4)，这条路全长多少米？

A road has been repaired for 300 meters, which is less than the unrepaired one (1/4). How long is this road in meters?

<gadget id="calculator">4 + 3</gadget>
<output>7</output>
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">300 / (3/7)</gadget>
<output>700</output>
<result>700</result>


胜利电影院下午放了两场电影，第一场售出854张票，第二场售出912张票．第二场比第一场多收入696元，平均每张电影票多少元？

Victory Cinema showed two movies in the afternoon, the first sold 854 tickets, and the second sold 912 tickets. The second show earned 696 yuan more than the first show. How much is the average movie ticket?

<gadget id="calculator">912 - 854</gadget>
<output>58</output>
<gadget id="calculator">696 / 58</gadget>
<output>12</output>
<result>12</result>


一个圆柱和一个圆锥，体积相等，且底面积相等，圆柱的高是3厘米，圆锥的高是多少厘米．

cylinder and a cone have the same volume and the same base area. The height of the cylinder is 3 cm. What is the height of the cone in cm?

<gadget id="calculator">3 * 3</gadget>
<output>9</output>
<result>9</result>


一道减法算式中的减数和差都是138，被减数是多少．

The subtrahend and difference in a subtraction formula are both 138, what is the minuend.

<gadget id="calculator">138 + 138</gadget>
<output>276</output>
<result>276</result>


一辆汽车5小时行驶了620千米，照这样的速度行驶，如果再行驶744千米．这辆汽车前后一共需要用多少时间？

A car travels 620 kilometers in 5 hours. If it travels at this speed, it will travel another 744 kilometers. How much time did the car take in total?

<gadget id="calculator">620 / 5</gadget>
<output>124</output>
<gadget id="calculator">744 / 124</gadget>
<output>6</output>
<gadget id="calculator">6 + 5</gadget>
<output>11</output>
<result>11</result>


甲数是186，是乙数的6倍，乙数比甲数少多少？

A's number is 186, which is 6 times that of B's number. How much less is B's number than A's?

<gadget id="calculator">186 / 6</gadget>
<output>31</output>
<gadget id="calculator">186 - 31</gadget>
<output>155</output>
<result>155</result>


一个圆柱和一个圆锥的底面积和高都相等，已知圆锥的体积是15立方厘米，那么圆柱的体积是多少立方厘米．

A cylinder and a cone have the same base area and height, and the volume of the cone is 15 cubic centimeters, what is the volume of the cylinder in cubic centimeters?

<gadget id="calculator">15 * 3</gadget>
<output>45</output>
<result>45</result>


一辆自行车408元，给售货员500元，应找回多少元．

A bicycle is 408 yuan, and the salesperson is given 500 yuan, how much should be recovered.

<gadget id="calculator">500 - 408</gadget>
<output>92</output>
<result>92</result>


胡老师每个月工资1200元，超过1000元的部分按5%交纳个人所得税，胡老师实际每月收入多少元．

Mr. Hu's monthly salary is 1,200 yuan, and the part exceeding 1,000 yuan is subject to personal income tax at 5%. How much is Mr. Hu's actual monthly income?

<gadget id="calculator">1_200 - 1_000</gadget>
<output>200</output>
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">200 * (1/20)</gadget>
<output>10</output>
<gadget id="calculator">1_200 - 10</gadget>
<output>1_190</output>
<result>1_190</result>


50除150与250的和，商是多少？

What is the quotient of 50 divided by the sum of 150 and 250?

<gadget id="calculator">150 + 250</gadget>
<output>400</output>
<gadget id="calculator">400 / 50</gadget>
<output>8</output>
<result>8</result>


如果5个连续奇数的乘积为135135，那么这5个数的和是多少．

If the product of 5 consecutive odd numbers is 135135, what is the sum of these 5 numbers?

<gadget id="calculator">3 * 3</gadget>
<output>9</output>
<gadget id="calculator">3 * 5</gadget>
<output>15</output>
<gadget id="calculator">7 + 9 + 11 + 13 + 15</gadget>
<output>55</output>
<result>55</result>


期末考试小东的语文、自然两门共197分，语文、数学两门共有199分，数学和自然共196分，哪一科的成绩最好，是多少分？

In the final exam, Xiaodong scored 197 points in Chinese and natural subjects, 199 points in Chinese and mathematics, and 196 points in mathematics and natural subjects. Which subject scored the best and how many points?

<gadget id="calculator">197 + 199 + 196</gadget>
<output>592</output>
<gadget id="calculator">592 / 2</gadget>
<output>296</output>
<gadget id="calculator">296 - 196</gadget>
<output>100</output>
<result>100</result>


一个圆柱的体积是36立方分米，与它等底等高的圆锥的体积是多少立方分米．

If the volume of a cylinder is 36 cubic decimeters, what is the volume of a cone with the same base and height as it?

<gadget id="calculator">36 / 3</gadget>
<output>12</output>
<result>12</result>


做一个无盖的圆柱形蓄水池，从里面量直径4米，高2米，要在这个水池里面的底和周围抹水泥，抹水泥的面积是多少？

Build a cylindrical water tank without a cover, with a diameter of 4 meters and a height of 2 meters from the inside. It is necessary to plaster the bottom and surrounding area of the pool. What is the area to be plastered?

<gadget id="calculator">3.14 * 4 * 2</gadget>
<output>25.12</output>
<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">25.12 + 12.56</gadget>
<output>37.68</output>
<result>37.68</result>


一条公路已经修好147千米，还剩下30%没有修．这条公路全长多少千米？

A highway has been repaired for 147 kilometers, leaving 30% unrepaired. How long is this road in kilometers?

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">147 / (7/10)</gadget>
<output>210</output>
<result>210</result>


在夏令营组织的爬山比赛中，小亮用15分走了630米的山路．用这样的速度，剩下的210米山路，小亮还要走多少时间．

In the mountain climbing competition organized by the summer camp, Xiao Liang walked the 630-meter mountain road in 15 minutes. With this speed, how long will it take for Xiao Liang to walk the remaining 210 meters of mountain road.

<gadget id="calculator">210 / 42</gadget>
<output>5</output>
<result>5</result>


中央电视台播音员10分钟大约可以播800个字，照这样计算，晚上中央新闻从19点30分，播音员大约一共播多少个字？

An announcer of CCTV can play about 800 characters in 10 minutes. According to this calculation, how many words will the announcer broadcast in total from 19:30 in the evening on the CCTV news?

<gadget id="calculator">800 / 10</gadget>
<output>80</output>
<gadget id="calculator">80 * 30</gadget>
<output>2_400</output>
<result>2_400</result>


如果某天的最低气温是-2度，最高气温是+5度，当天的温差是多少度．

If the lowest temperature on a certain day is -2 degrees and the highest temperature is +5 degrees, what is the temperature difference on that day?

<gadget id="calculator">5 - (-2)</gadget>
<output>7</output>
<result>7</result>


在一张精密零件图纸上(比例尺为5：1)，量得零件长4厘米，这零件实际长多少厘米．

On a drawing of precision parts (the scale is 5:1), the length of the part is measured as 4 cm. How many centimeters is the actual length of the part?

<gadget id="calculator">5 / 1</gadget>
<output>5</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<result>4/5 = around 0.8</result>


甲、乙、丙三个数的比是1：2：3，三个数的平均数是12，求丙数是多少？

The ratio of the three numbers A, B, and C is 1:2:3, and the average of the three numbers is 12. What is the number C?

<gadget id="calculator">1 + 2 + 3</gadget>
<output>6</output>
<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">12 * 3 * (1/2)</gadget>
<output>18</output>
<result>18</result>


甲、乙两城相距270千米．两列火车分别从两城出发，相向而行，经过1.2小时两车相遇．从甲城开出的火车平均每小时行驶90千米，从乙城开出的火车平均每小时行驶多少千米？(方程解答)

The distance between A and B is 270 km. Two trains depart from the two cities respectively, and travel towards each other. After 1.2 hours, the two trains meet. The train from City A travels an average of 90 kilometers per hour, how many kilometers per hour does the train from City B travel on average? (equation solution)

<gadget id="calculator">90 * 1.2</gadget>
<output>108</output>
<gadget id="calculator">270 - 108</gadget>
<output>162</output>
<gadget id="calculator">162 / 1.2</gadget>
<output>135</output>
<result>135</result>


某工厂有男职工264人，是女职工人数的6倍，这个工厂有女职工多少人？(列方程解答)

A certain factory has 264 male employees, 6 times the number of female employees. How many female employees are there in this factory? (column equation solution)

<gadget id="calculator">264 / 6</gadget>
<output>44</output>
<result>44</result>


If A*B means (A+3B)*(A+B), find the value of 5*7.

<gadget id="calculator">3 * 7</gadget>
<output>21</output>
<gadget id="calculator">5 + 21</gadget>
<output>26</output>
<gadget id="calculator">5 + 7</gadget>
<output>12</output>
<gadget id="calculator">26 * 12</gadget>
<output>312</output>
<result>312</result>


六年级有学生240人，正好是全校学生人数的(1/5)，五年级人数占全校人数的(1/4)，五年级有多少人？

There are 240 students in the sixth grade, exactly (1/5) of the total number of students in the school, and the fifth grade accounts for (1/4) of the total number of students in the school. How many students are there in the fifth grade?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">240 / (1/5)</gadget>
<output>1_200</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1_200 * (1/4)</gadget>
<output>300</output>
<result>300</result>


把一个棱长总和为22cm的正方体切成两个长方体，表面积增加了多少cm**2．

Cutting a cube with the sum of the lengths of sides 22cm into two cuboids, how much is the surface area increased in cm**2.

<gadget id="calculator">11 / 6</gadget>
<output>11/6 = around 1.833333</output>
<gadget id="calculator">(11/6) * (11/6) * 2</gadget>
<output>121/18 = around 6.722222</output>
<result>121/18 = around 6.722222</result>


甲、乙两地相距360千米，客、货两车分别同时从甲、乙两地相对开出，4小时后相遇，已知客车每小时比货车每小时快8千米，货车每小时行多少千米？

The distance between A and B is 360 kilometers. Two passenger and freight vehicles depart from A and B at the same time and meet each other after 4 hours. It is known that the passenger vehicle is 8 kilometers faster than the freight vehicle per hour, and the freight vehicle travels per hour. How many kilometers?

<gadget id="calculator">360 / 4</gadget>
<output>90</output>
<gadget id="calculator">90 - 8</gadget>
<output>82</output>
<gadget id="calculator">82 / 2</gadget>
<output>41</output>
<result>41</result>


小明写作业时，分针从指向6转到指向11，小明写完作业用了多长时间？

When Xiao Ming was doing his homework, the minute hand turned from pointing to 6 to pointing to 11. How long did it take Xiao Ming to finish his homework?

<gadget id="calculator">5 * 5</gadget>
<output>25</output>
<result>25</result>


体育用品商店有38个篮球，排球的个数是篮球的4倍，足球比排球、篮球的总数少62个，足球有多少个？

There are 38 basketballs in the sporting goods store. The number of volleyballs is 4 times that of basketballs. The number of footballs is 62 less than the total number of volleyballs and basketballs. How many footballs are there?

<gadget id="calculator">38 * 4</gadget>
<output>152</output>
<gadget id="calculator">152 + 38</gadget>
<output>190</output>
<gadget id="calculator">190 - 62</gadget>
<output>128</output>
<result>128</result>


把3筐苹果平均分成2份，每份占苹果总数的多少

Divide 3 baskets of apples into 2 equal portions, how much does each portion account for in the total number of apples

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<result>1/2 = around 0.5</result>


一个圆柱体的玻璃缸里面有一些水，把一个底面积25平方厘米的长方体全部放入水中，玻璃缸中的水位上升4厘米，如果长方体沿着高露出水面6厘米，缸中的水面下降2厘米，则长方体的体积是多少立方厘米．

There is some water in a cylindrical glass tank. Put a cuboid with a base area of 25 square centimeters into the water. The water level in the glass tank rises by 4 cm. If the cuboid rises 6 cm above the water surface along the height, the water level in the tank drops by 2. cm, what is the volume of the cuboid in cubic centimeters?

<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">25 * 3</gadget>
<output>75</output>
<gadget id="calculator">75 * 4</gadget>
<output>300</output>
<result>300</result>


3千克鸡蛋9元钱，1千克鸡蛋多少元．

3 kg of eggs is 9 yuan, how much is 1 kg of eggs.

<gadget id="calculator">9 / 3</gadget>
<output>3</output>
<result>3</result>


某粮食加工厂把8000千克的稻谷加工成大米，碾出糠皮2240千克．求稻谷的出米率．

A grain processing factory processes 8000 kg of rice into rice and grinds out 2240 kg of bran. Find the yield of rice.

<gadget id="calculator">8_000 - 2_240</gadget>
<output>5_760</output>
<gadget id="calculator">5_760 / 8_000</gadget>
<output>18/25 = around 0.72</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(18/25) * 1</gadget>
<output>18/25 = around 0.72</output>
<result>18/25 = around 0.72</result>


洗衣机里有5千克的衣物，每千克衣物要用(1/2)勺洗衣粉．一共需要放几勺洗衣粉？

There are 5 kilograms of clothes in the washing machine, and (1/2) spoon of washing powder is used for each kilogram of clothes. How many scoops of washing powder are needed in total?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(1/2) * 5</gadget>
<output>5/2 = around 2.5</output>
<result>5/2 = around 2.5</result>


李叔叔把5000元钱存入银行，存期为两年，年利率为3.25%，到期时，李叔叔一共能拿到多少钱？

Uncle Li deposits 5,000 yuan in the bank with a deposit period of two years and an annual interest rate of 3.25%. How much will Uncle Li get in total when it expires?

<gadget id="calculator">3.25 / 100</gadget>
<output>0.0325</output>
<gadget id="calculator">5_000 * 0.0325 * 2</gadget>
<output>325</output>
<gadget id="calculator">5_000 + 325</gadget>
<output>5_325</output>
<result>5_325</result>


When a=1.5, b=4.5, what is the value of 2a+(1/5)b.

<gadget id="calculator">2 * 1.5</gadget>
<output>3</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/5) * 4.5</gadget>
<output>0.9</output>
<gadget id="calculator">3 + 0.9</gadget>
<output>3.9</output>
<result>3.9</result>


一个棱长是6厘米的正方体，棱长总和是多少厘米．

What is the sum of the lengths of a cube whose sides are 6 cm?

<gadget id="calculator">6 * 12</gadget>
<output>72</output>
<result>72</result>


甲数的4倍是乙数的(6/11)，甲数比乙数为少多少．

The number A is 4 times that of the number B (6/11), and the number A is less than the number B.

<gadget id="calculator">6 / 11</gadget>
<output>6/11 = around 0.545455</output>
<gadget id="calculator">4 / (6/11)</gadget>
<output>22/3 = around 7.333333</output>
<gadget id="calculator">1 * (22/3)</gadget>
<output>22/3 = around 7.333333</output>
<gadget id="calculator">(22/3) - 1</gadget>
<output>19/3 = around 6.333333</output>
<gadget id="calculator">(19/3) / (22/3)</gadget>
<output>19/22 = around 0.863636</output>
<result>19/22 = around 0.863636</result>


甲、乙两人分别从A、B两地同时出发，相向而行，出发时他们的速度比是5：4，他们第一次相遇后，甲的速度提高了20%，乙的速度提高了25%，这样，当甲到达B地时，乙离A地还有30千米．求AB两地的距离．

A and B start from A and B respectively at the same time and walk toward each other. When they start, their speed ratio is 5:4. After they meet for the first time, A's speed increases by 20%, and B's speed increases. 25%, in this way, when A arrives at B, B is still 30 kilometers away from A. Find the distance between AB and AB.


某工厂生产一批产品，原计划10天完成，采用新方法后提前3天完成了任务，又知原计划每天生产零件数比新方法的(3/4)还少4个，则原计划每天生产零件数比新方法每天少多少个．

A factory produces a batch of products. It was originally planned to be completed in 10 days. After adopting the new method, the task is completed 3 days ahead of schedule. It is also known that the number of parts produced per day in the original plan is 4 less than that of the new method (3/4). How many fewer parts are produced per day than the new method.

<gadget id="calculator">10 - 3</gadget>
<output>7</output>
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">(1/7) * (3/4)</gadget>
<output>3/28 = around 0.107143</output>
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(3/28) - (1/10)</gadget>
<output>1/140 = around 0.007143</output>
<gadget id="calculator">4 / (1/140)</gadget>
<output>560</output>
<gadget id="calculator">560 * (1/7)</gadget>
<output>80</output>
<gadget id="calculator">560 * (1/10)</gadget>
<output>56</output>
<gadget id="calculator">80 - 56</gadget>
<output>24</output>
<result>24</result>


西安到北京的铁路长大约1200km，在比例尺是1：6000000的地图上它的长是多少．

The railway from Xi'an to Beijing is about 1200km long. What is its length on a map with a scale of 1:6,000,000?

<gadget id="calculator">1 / 6_000_000</gadget>
<output>1/6_000_000 = around 0</output>
<gadget id="calculator">1_200 * 100_000 * (1/6_000_000)</gadget>
<output>20</output>
<result>20</result>


三个同学跳绳，小红跳了160下，小明跳的是小红的(5/8)，小玉跳的是小明跳的(4/5)．小玉跳了多少下？

Three students skip rope, Xiaohong jumps 160 times, Xiaoming jumps Xiaohong's (5/8), and Xiaoyu jumps Xiaoming's (4/5). How many times did Xiaoyu jump?

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">160 * (5/8) * (4/5)</gadget>
<output>80</output>
<result>80</result>


妈妈买了1升牛奶，第一天喝了400毫升，第二天3人将剩下的平均分，每人分得多少毫升？

Mom bought 1 liter of milk and drank 400ml on the first day, and the 3 people divided the rest equally on the second day. How many ml did each person get?

<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>
<gadget id="calculator">1_000 - 400</gadget>
<output>600</output>
<gadget id="calculator">600 / 3</gadget>
<output>200</output>
<result>200</result>


用4辆汽车运一批水果，3次共运了756箱．平均每辆汽车每次运多少箱？

A batch of fruit was transported by 4 vehicles, and a total of 756 boxes were transported in 3 times. How many boxes are shipped per car on average?

<gadget id="calculator">756 / 3 / 4</gadget>
<output>63</output>
<result>63</result>


光明养禽场养鹅600只，养鸭的只数比鹅多50%，养禽场养鸭多少只？

Guangming Poultry Farm raises 600 geese, and the number of ducks is 50% more than that of geese. How many ducks are raised in the poultry farm?

<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">600 * (3/2)</gadget>
<output>900</output>
<result>900</result>


一个周长为60厘米的长方形可分割为5个面积相同的小正方形，这个长方形的面积是多少平方厘米？

A rectangle with a perimeter of 60 cm can be divided into 5 smaller squares with the same area. What is the area of this rectangle in square centimeters?

<gadget id="calculator">5 * 5 * 5</gadget>
<output>125</output>
<result>125</result>


学校买来4只足球和一些篮球，共用去476元8角，每只足球67元，比每只篮球便宜2元6角．学校买来篮球多少只？

The school bought 4 footballs and some basketballs, which cost 476 yuan and 80 cents. Each football is 67 yuan, which is 2 yuan and 60 cents cheaper than each basketball. How many basketballs did the school buy?

<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">476 + (4/5)</gadget>
<output>2_384/5 = around 476.8</output>
<gadget id="calculator">67 * 4</gadget>
<output>268</output>
<gadget id="calculator">(2_384/5) - 268</gadget>
<output>1_044/5 = around 208.8</output>
<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">2 + (3/5)</gadget>
<output>13/5 = around 2.6</output>
<gadget id="calculator">67 + (13/5)</gadget>
<output>348/5 = around 69.6</output>
<gadget id="calculator">(1_044/5) / (348/5)</gadget>
<output>3</output>
<result>3</result>


一个教室长9米，宽7米，高4米，要粉刷天花板和墙壁，除去门窗和黑板的面积28平方米，需要粉刷的面积是多少平方米？

A classroom is 9 meters long, 7 meters wide, and 4 meters high. The ceiling and walls need to be painted. The area excluding doors, windows and blackboards is 28 square meters. How many square meters is the area that needs to be painted?

<gadget id="calculator">9 * 7</gadget>
<output>63</output>
<gadget id="calculator">9 * 4</gadget>
<output>36</output>
<gadget id="calculator">7 * 4</gadget>
<output>28</output>
<gadget id="calculator">36 + 28</gadget>
<output>64</output>
<gadget id="calculator">64 * 2</gadget>
<output>128</output>
<gadget id="calculator">128 - 28</gadget>
<output>100</output>
<gadget id="calculator">63 + 100</gadget>
<output>163</output>
<result>163</result>


一堆沙子，用小卡车装载要45辆，用大卡车装载只要36辆．已知每辆大卡车比每辆小卡车多装4吨，那么这堆沙子有多少吨？

For a pile of sand, it takes 45 trucks to load it with a small truck, and only 36 trucks to load it with a large truck. It is known that each large truck carries 4 tons more than each small truck, so how many tons is this pile of sand?

<gadget id="calculator">1 / 36</gadget>
<output>1/36 = around 0.027778</output>
<gadget id="calculator">1 / 45</gadget>
<output>1/45 = around 0.022222</output>
<gadget id="calculator">(1/36) - (1/45)</gadget>
<output>1/180 = around 0.005556</output>
<gadget id="calculator">4 / (1/180)</gadget>
<output>720</output>
<result>720</result>


小红参加400米蛙泳比赛，要游4个来回．游泳池里泳道的长是多少米？

Xiaohong participates in the 400-meter breaststroke competition and has to swim 4 back and forth. What is the length of the lanes in the swimming pool?

<gadget id="calculator">4 * 2</gadget>
<output>8</output>
<gadget id="calculator">400 / 8</gadget>
<output>50</output>
<result>50</result>


一个数的4倍是424，这个数是多少．

Four times a number is 424, what is this number?

<gadget id="calculator">424 / 4</gadget>
<output>106</output>
<result>106</result>


甲数是840，------，乙数是多少？如果求乙数的算式是840/(1+(1/3))，那么横线上应补充的条件是甲数比乙数多多少

The number of A is 840, ------, what is the number of B? If the formula for finding the number B is 840/(1+(1/3)), then the condition that should be supplemented on the horizontal line is how much more the number A is than the number B

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<result>1/3 = around 0.333333</result>


一个数加上6，除以3，减去12，再乘以5，结果等于30．这个数是多少？

Add 6 to a number, divide by 3, subtract 12, and multiply by 5, the result is 30. What is this number?

<gadget id="calculator">30 / 5</gadget>
<output>6</output>
<gadget id="calculator">6 + 12</gadget>
<output>18</output>
<gadget id="calculator">18 * 3</gadget>
<output>54</output>
<gadget id="calculator">54 - 6</gadget>
<output>48</output>
<result>48</result>


用棱长是2cm的正方体，拼成一个长4cm、宽8cm、高6cm的长方体，那么拼成的长方体的表面积是多少cm**2．

Use a cube with an edge length of 2cm to form a cuboid with a length of 4cm, a width of 8cm and a height of 6cm. What is the surface area of the cuboid in cm**2.

<gadget id="calculator">4 * 8</gadget>
<output>32</output>
<gadget id="calculator">4 * 6</gadget>
<output>24</output>
<gadget id="calculator">8 * 6</gadget>
<output>48</output>
<gadget id="calculator">32 + 24 + 48</gadget>
<output>104</output>
<gadget id="calculator">104 * 2</gadget>
<output>208</output>
<result>208</result>


下面的数中，与(1/4)不相等的是多少

Which of the following numbers is not equal to (1/4)

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