李明买了一辆30万元的汽车，按规定要缴纳10%的新车购置税．他买这辆汽车一共要付多少万元？

Li Ming bought a car worth 300,000 yuan, and he had to pay 10% of the new car purchase tax according to regulations. How much did he pay for this car?

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">30 * (1/10)</gadget>
<output>3</output>
<gadget id="calculator">30 + 3</gadget>
<output>33</output>
<result>33</result>


同学们去郊游，一年级同学排成6队，每队9人．二年级去的人数与一年级同样多，两个年级一共去了多少人？

The students went on an outing, and the first-year students lined up in 6 teams, with 9 people in each team. The number of people who went to the second grade was the same as that of the first grade. How many people went to the two grades?

<gadget id="calculator">9 * 6 * 2</gadget>
<output>108</output>
<result>108</result>


80，81和85的平均数是多少．

<gadget id="calculator">81 + 80 + 85</gadget>
<output>246</output>
<gadget id="calculator">246 / 3</gadget>
<output>82</output>
<result>82</result>


两筐苹果，如果从第一筐取出(1/5)给第二筐后，两筐苹果正好相等，这时第二筐有苹果40千克．第一筐原来有苹果多少千克？

Two baskets of apples, if (1/5) is taken from the first basket to the second basket, the apples in the two baskets are exactly equal, and the second basket contains 40 kg of apples. How many kilograms of apples were in the first basket?

<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">40 / (4/5)</gadget>
<output>50</output>
<result>50</result>


一个等腰三角形，它的底角与顶角度数的比是4：1．它的底角是多少度．

In an isosceles triangle, the ratio of the base angles to the apex angles is 4:1. What is its base angle.

<gadget id="calculator">4 + 4 + 1</gadget>
<output>9</output>
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">180 * (4/9)</gadget>
<output>80</output>
<result>80</result>


有3枚1元的，3枚5角，1枚1角的硬币．使用其中的若干枚硬币，能够正好支付的不同金额共有多少种．

There are 3 coins of 1 yuan, 3 coins of 5 cents, and 1 coin of 1 cent. How many different amounts can be paid exactly by using some of the coins.

<gadget id="calculator">3 + 4 + 4 + 3 + 2 + 2 + 1</gadget>
<output>19</output>
<result>19</result>


<gadget id="calculator">96 / 3</gadget>
<output>32</output>
<gadget id="calculator">50 - 32</gadget>
<output>18</output>
<result>18</result>


火车进入隧道，从车头进入到车尾进入，共用A分钟，又经过B分钟，车尾出隧道．已知A：B=3：5，隧道长360米，那么这列火车长多少米？

The train enters the tunnel, enters from the front of the train to the rear of the train, takes A minutes, and after another B minutes, the rear of the train exits the tunnel. It is known that A:B=3:5, and the tunnel is 360 meters long, so how long is this train?

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">360 * (3/5)</gadget>
<output>216</output>
<result>216</result>


靠山屯要把一座面积是3.2公顷的荒山绿化，如果按株距5米，行距4米的距离种松树，8人承包了绿化任务，平均每人栽多少棵？

Kaoshantun wants to afforest a barren hill with an area of 3.2 hectares. If pine trees are planted at a distance of 5 meters between plants and 4 meters between rows, and 8 people contract the greening task, how many trees will each person plant on average?

<gadget id="calculator">3.2 * 10_000</gadget>
<output>32_000</output>
<gadget id="calculator">5 * 4</gadget>
<output>20</output>
<gadget id="calculator">32_000 / 20 / 8</gadget>
<output>200</output>
<result>200</result>


在一道减法算式里，把被减数、减数、差加起来，和是600．你知道被减数是多少．

In a subtraction formula, add up the minuend, the subtrahend, and the difference, and the sum is 600. You know what the minuend is.

<gadget id="calculator">600 / 2</gadget>
<output>300</output>
<result>300</result>


两辆火车同时从相距3450千米的A、B两站相向开出，15小时后两车相遇．甲车每小时行驶120千米，乙车每小时行驶多少千米？

Two trains leave opposite directions at the same time from stations A and B, which are 3450 kilometers apart, and the two trains meet after 15 hours. Car A travels 120 kilometers per hour, how many kilometers per hour does Car B travel?

<gadget id="calculator">3_450 / 15</gadget>
<output>230</output>
<gadget id="calculator">230 - 120</gadget>
<output>110</output>
<result>110</result>


2004*2的积的中间有多少个0．

How many 0s are there in the middle of the product of 2004*2?


一辆汽车从甲地开往乙地，平均每小时行60千米，5小时到达．返回时用了4小时，平均每小时行多少千米？

A car travels from A to B at an average speed of 60 kilometers per hour and arrives in 5 hours. It took 4 hours to return, how many kilometers per hour on average?

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">60 * (5/4)</gadget>
<output>75</output>
<result>75</result>


汽车制造厂十月份生产汽车1800辆，比九月份多生产20%．求九月份生产多少辆，正确列式是多少

The automobile factory produced 1,800 automobiles in October, 20% more than in September. Find out how many cars were produced in September, and what is the correct list

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">1_800 / (6/5)</gadget>
<output>1_500</output>
<result>1_500</result>


(2/7)千克可以看作2千克的(1/7)，也可以看作1千克的多少．

(2/7) kilograms can be regarded as (1/7) of 2 kilograms, or as much as 1 kilogram.

<gadget id="calculator">7 / 1</gadget>
<output>7</output>
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<result>2/7 = around 0.285714</result>


2200年第一季度有多少天．

How many days are there in the first quarter of 2200?

<gadget id="calculator">31 * 2</gadget>
<output>62</output>
<gadget id="calculator">62 + 28</gadget>
<output>90</output>
<result>90</result>


一台播种机的滚筒是一个圆柱体，底面直径和筒长都是1米，每分钟滚动50圈，一小时后可播种多少平方米．

The drum of a planter is a cylinder, the diameter of the bottom surface and the length of the cylinder are both 1 meter, and it rolls 50 times per minute, how many square meters can be sown in one hour.

<gadget id="calculator">3.14 * 1 * 1 * 50 * 60</gadget>
<output>9_420</output>
<result>9_420</result>


测得某一家用电冰箱的冷冻室的温度是零下18℃，冷藏室比冷冻室的温度高22℃，则冷藏室的温度是多少℃．

If the temperature of the freezer compartment of a household refrigerator is minus 18°C and the temperature of the freezer compartment is 22°C higher than that of the freezer compartment, what is the temperature of the freezer compartment in °C?

<gadget id="calculator">(-18) + 22</gadget>
<output>4</output>
<result>4</result>


多位数12345678910111213…979899，是由自然数1到99依次排列而成的，那么这个多位数第122位上的数字是多少．

The multi-digit number 12345678910111213...979899 is composed of natural numbers 1 to 99 arranged in sequence, so what is the 122nd digit of this multi-digit number?


篮球的个数与足球的个数比是5：4，如果篮球有40个，那么足球有多少个．

The ratio of the number of basketballs to the number of footballs is 5:4. If there are 40 basketballs, how many footballs are there?

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">40 / (5/4)</gadget>
<output>32</output>
<result>32</result>


A、B两地相距30千米．甲骑自行车从A到B，开始速度为每小时20千米，一段时间后减速为每小时15千米．甲出发1小时后，乙驾驶摩托车以每小时48千米的速度也由A到B，中途因加油耽误了10.5分钟．结果甲乙两人同时到达B地．甲出发后多少分钟开始减速的？

A and B are 30 kilometers apart. A rides a bicycle from A to B at a starting speed of 20 kilometers per hour, and after a period of time slows down to 15 kilometers per hour. One hour after A set off, B drove a motorcycle from A to B at a speed of 48 kilometers per hour, and was delayed by 10.5 minutes due to refueling. As a result, A and B arrive at B at the same time. How many minutes after A started to slow down?

<gadget id="calculator">1 / 60</gadget>
<output>1/60 = around 0.016667</output>
<gadget id="calculator">30 / 48</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">15 * (1/60) * (5/8) * 60</gadget>
<output>75/8 = around 9.375</output>
<gadget id="calculator">15 * (1/60) * 10.5</gadget>
<output>2.625</output>
<gadget id="calculator">15 * (1/60) * 60</gadget>
<output>15</output>
<gadget id="calculator">30 - (75/8) - 2.625 - 15</gadget>
<output>3</output>
<gadget id="calculator">20 * (1/60)</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">15 * (1/60)</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/3) - (1/4)</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">3 / (1/12)</gadget>
<output>36</output>
<result>36</result>


爸爸今年36岁，是女儿年龄的3倍，女儿的年龄是妈妈年龄的(3/8)，妈妈今年多少岁？

The father is 36 years old this year, which is three times the age of the daughter. The age of the daughter is (3/8) the age of the mother. How old is the mother?

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">36 / 3 / (3/8)</gadget>
<output>32</output>
<result>32</result>


小林身高124厘米，是表妹身高的2倍，而舅舅身高是表妹的3倍．舅舅身高是多少厘米？

Kobayashi is 124 cm tall, twice as tall as his cousin, while his uncle is three times as tall as his cousin. How tall is uncle in centimeters?

<gadget id="calculator">124 / 2</gadget>
<output>62</output>
<gadget id="calculator">62 * 3</gadget>
<output>186</output>
<result>186</result>


小明期中考试，语文、数学总分是197分，英语考了91分，小明三门功课的平均成绩是多少分？

In Xiaoming's mid-term exam, the total score of Chinese and mathematics is 197, and the English test is 91 points. What is the average score of Xiaoming's three homework?

<gadget id="calculator">197 + 91</gadget>
<output>288</output>
<gadget id="calculator">288 / 3</gadget>
<output>96</output>
<result>96</result>


现在3年定期存款年利率是2.25%，到期时免征利息税，爸爸存4000元3年定期，到期实得多少元利息．

Now the annual interest rate of the 3-year fixed deposit is 2.25%, and the interest tax is exempted when it matures. Dad deposits 4000 yuan for 3 years, how much interest will he actually get when it matures?

<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>
<gadget id="calculator">4_000 * 0.0225 * 3</gadget>
<output>270</output>
<result>270</result>


王师傅每小时生产20个零件，他的徒弟小李8小时生产了96个零件，王师傅每小时比小李多生产多少个零件？

Master Wang produces 20 parts per hour, and his apprentice Xiao Li produces 96 parts in 8 hours. How many parts does Master Wang produce more than Xiao Li per hour?

<gadget id="calculator">96 / 8</gadget>
<output>12</output>
<gadget id="calculator">20 - 12</gadget>
<output>8</output>
<result>8</result>


一桶油，第一次用去12千克，第二次用去余下的(1/3)，还剩12千克．这桶油多少千克？

For a barrel of oil, 12 kilograms are used for the first time, and the rest (1/3) is used for the second time, leaving 12 kilograms. How many kilograms is this barrel of oil?

<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">12 / (2/3)</gadget>
<output>18</output>
<gadget id="calculator">18 + 12</gadget>
<output>30</output>
<result>30</result>


2008年北京奥运会火炬共要途经21个国家，已经经过(5/7)，已经经过了多少个国家？

The torch of the 2008 Beijing Olympic Games will pass through 21 countries, and it has already passed (5/7). How many countries has it passed through?

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">21 * (5/7)</gadget>
<output>15</output>
<result>15</result>


修路队为鲁甸地震灾区抢修一条公路，前5天平均每天修98米，还剩335米没有修完．这条公路长多少米？

The road construction team rushed to repair a road for the Ludian earthquake-stricken area. In the first 5 days, it repaired an average of 98 meters per day, and the remaining 335 meters were not completed. How many meters is this road?

<gadget id="calculator">5 * 98</gadget>
<output>490</output>
<gadget id="calculator">490 + 335</gadget>
<output>825</output>
<result>825</result>


一列火车从北京开往上海．当行了全程的(2/5)时，离北京420千米．北京到上海的距离是多少千米？

A train is going from Beijing to Shanghai. When the whole journey (2/5) is done, it is 420 kilometers away from Beijing. What is the distance between Beijing and Shanghai?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">420 / (2/5)</gadget>
<output>1_050</output>
<result>1_050</result>


张大娘家养了172只公鸡和398只母鸡，还养了38只鸭．张大娘家养鸡的只数是鸭的几倍？

Aunt Zhang's family raised 172 roosters, 398 hens, and 38 ducks. How many times does Mrs. Zhang's family raise chickens than ducks?

<gadget id="calculator">172 + 398</gadget>
<output>570</output>
<gadget id="calculator">570 / 38</gadget>
<output>15</output>
<result>15</result>


老师把笔记本平均分给小红和小晶，小晶给小红40本后，小红的笔记本就是小晶的2倍，她们原来分到多少本笔记本．

The teacher divided the notebooks between Xiaohong and Xiaojing evenly. After Xiaojing gave Xiaohong 40 notebooks, Xiaohong's notebooks were twice as many as Xiaojing's. How many notebooks did they get?

<gadget id="calculator">2 - 1</gadget>
<output>1</output>
<gadget id="calculator">2 / 1</gadget>
<output>2</output>
<gadget id="calculator">40 * 2</gadget>
<output>80</output>
<gadget id="calculator">80 + 40</gadget>
<output>120</output>
<result>120</result>


小明家距离小红家有560m，分别位于学校的左右两侧，小明和小红在自家门口去上学，7分钟后同时到达学校门口，小明平均每分钟走45m，小红平均每分钟走多少米？

Xiaoming's house is 560m away from Xiaohong's house, which are located on the left and right sides of the school respectively. Xiaoming and Xiaohong go to school at their own gates, and arrive at the school gate at the same time after 7 minutes. Xiaoming walks an average of 45m per minute, and how many meters does Xiaohong walk per minute ?

<gadget id="calculator">45 * 7</gadget>
<output>315</output>
<gadget id="calculator">560 - 315</gadget>
<output>245</output>
<gadget id="calculator">245 / 7</gadget>
<output>35</output>
<result>35</result>


<gadget id="calculator">253 + 255 + 257 + 256 + 264</gadget>
<output>1_285</output>
<gadget id="calculator">1_285 / 257</gadget>
<output>5</output>
<result>5</result>


用一批纸装订同样大小的练习本，如果每本18页，可装订600本．如果用这些纸装订432本练习本，平均每本有多少页？

Use a batch of paper to bind exercise books of the same size. If each book has 18 pages, 600 copies can be bound. If 432 exercise books are bound with these papers, how many pages are there on average in each book?

<gadget id="calculator">600 * 18</gadget>
<output>10_800</output>
<gadget id="calculator">10_800 / 432</gadget>
<output>25</output>
<result>25</result>


三1班男生人数是女生人数的2倍．三1班一共有39人，男生有多少人？

The number of boys in Class 3 is twice the number of girls. There are 39 people in Class 3 and 1. How many boys are there?

<gadget id="calculator">2 + 1</gadget>
<output>3</output>
<gadget id="calculator">39 / 3</gadget>
<output>13</output>
<gadget id="calculator">13 * 2</gadget>
<output>26</output>
<result>26</result>


动物园里的一头大象每天吃180千克食物，一只熊猫2天吃72千克食物．大象每天吃的食物是熊猫的多少倍？

An elephant in the zoo eats 180 kilograms of food every day, and a panda eats 72 kilograms of food for 2 days. How many times more food does an elephant eat than a panda every day?

<gadget id="calculator">72 / 2</gadget>
<output>36</output>
<gadget id="calculator">180 / 36</gadget>
<output>5</output>
<result>5</result>


甲、乙、丙三人原各有玩具若干个．甲给乙2件，乙给丙3件后，三人都有玩具14件．甲原来有玩具多少件．

A, B, and C each have a number of toys. After A gives B 2 toys and B gives C 3 toys, all three have 14 toys. How many toys does A have?

<gadget id="calculator">14 + 2</gadget>
<output>16</output>
<result>16</result>


甲、乙两圆的周长之比是3：5，则甲圆面积比乙圆面积小((())/(()))．

The ratio of the perimeters of circles A and B is 3:5, then the area of circle A is smaller than that of circle B ((())/(())).

<gadget id="calculator">25 - 9</gadget>
<output>16</output>
<gadget id="calculator">16 / 25</gadget>
<output>16/25 = around 0.64</output>
<result>16/25 = around 0.64</result>


学校六年级学生人数占全校学生人数的(1/5)，六年级有34人，这个学校一共有学生多少人？

The number of students in the sixth grade of the school accounts for 1/5 of the total number of students in the school. There are 34 students in the sixth grade. How many students are there in this school?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">34 / (1/5)</gadget>
<output>170</output>
<result>170</result>


甲、乙两个数的积是864，甲、乙两数的最小公倍数是72，甲、乙两数的最大公因数是多少？

The product of the two numbers A and B is 864, the least common multiple of the two numbers A and B is 72, what is the greatest common factor of the two numbers A and B?

<gadget id="calculator">864 / 72</gadget>
<output>12</output>
<result>12</result>


一座大桥长900m，在桥的两旁每隔45米安装一块广告牌(两端都要安)．这座大桥上一共安装了多少块广告牌？

A bridge is 900m long, and a billboard is installed every 45m on both sides of the bridge (both ends must be installed). How many billboards were installed on the bridge?

<gadget id="calculator">900 / 45</gadget>
<output>20</output>
<gadget id="calculator">20 + 1</gadget>
<output>21</output>
<gadget id="calculator">21 * 2</gadget>
<output>42</output>
<result>42</result>


一个圆柱体，底面积是36cm**2，高是15cm，与这个圆柱体等底等高的圆锥体的体积是多少．

A cylinder with a base area of 36cm**2 and a height of 15cm is the volume of a cone with the same base and height as the cylinder.

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">36 * 15 * (1/3)</gadget>
<output>180</output>
<result>180</result>


森林公园共120亩地，种杨树和柳树及其他数种，三者所占面积比是1：2：3，三个区域种树棵数的比是4：5：6，己知杨树的种植密度50棵每亩，森林公园总共有多少棵树？

The forest park has a total of 120 mu of land, planted with poplars, willows and several other species. The ratio of the area occupied by the three is 1:2:3, and the ratio of the number of trees planted in the three areas is 4:5:6. Known poplars are planted The density is 50 trees per mu, how many trees are there in total in the forest park?

<gadget id="calculator">1 + 2 + 3</gadget>
<output>6</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">120 * (1/6) * 50</gadget>
<output>1_000</output>
<gadget id="calculator">4 + 5 + 6</gadget>
<output>15</output>
<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>
<gadget id="calculator">1_000 / (4/15)</gadget>
<output>3_750</output>
<result>3_750</result>


水果店运来29筐苹果，每筐128千克，一共运来多少千克苹果？

The fruit shop shipped 29 baskets of apples, each weighing 128 kilograms. How many kilograms of apples were shipped in total?

<gadget id="calculator">128 * 29</gadget>
<output>3_712</output>
<result>3_712</result>


有一栋6层高的大楼，分为4个单元，每单元可住25户．这栋楼房一共可以住多少户？

There is a 6-storey building divided into 4 units, each unit can accommodate 25 households. How many families can live in this building?

<gadget id="calculator">25 * 4</gadget>
<output>100</output>
<result>100</result>


在4.04中，整数部分的4是小数部分4的多少倍．

In 4.04, how many times is 4 in the integer part 4 in the fractional part?

<gadget id="calculator">4 / 0.04</gadget>
<output>100</output>
<result>100</result>


某加油站有汽油7500升，用去(4/5)，用去多少升？

There are 7500 liters of gasoline in a gas station, and (4/5) is used, how many liters are used?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">7_500 * (4/5)</gadget>
<output>6_000</output>
<result>6_000</result>


一个无盖的圆柱形铁皮水桶，高12分米，底面直径8分米，做这个水桶至少要多少平方分米铁皮？

A cylindrical iron sheet bucket without a cover is 12 decimeters high and 8 decimeters in diameter at the bottom. How many square decimeters of iron sheet is needed to make this bucket?

<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>
<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>
<gadget id="calculator">3.14 * 8 * 12</gadget>
<output>301.44</output>
<gadget id="calculator">50.24 + 301.44</gadget>
<output>351.68</output>
<result>351.68</result>


大人走2步，小孩要走3步，大人走100步时，小孩走多少步？

An adult walks 2 steps, and a child takes 3 steps. When the adult walks 100 steps, how many steps does the child take?


池塘里，一根竹竿插入泥中的部分为(3/5)米，比露出水面的部分少(1/2)米，浸没在水中部分为1米．这根竹竿长多少米？

In a pond, the part of a bamboo pole inserted into the mud is (3/5) meters, which is (1/2) meters less than the part exposed to the water, and the part submerged in the water is 1 meter. How many meters is this bamboo pole?

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(3/5) + (1/2)</gadget>
<output>11/10 = around 1.1</output>
<gadget id="calculator">(3/5) + (11/10) + 1</gadget>
<output>27/10 = around 2.7</output>
<result>27/10 = around 2.7</result>


What is the quotient of the difference obtained by subtracting (4/5) from (6/5) by the sum of (5/6) and (1/2)?

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(6/5) - (4/5)</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(5/6) + (1/2)</gadget>
<output>4/3 = around 1.333333</output>
<gadget id="calculator">(2/5) / (4/3)</gadget>
<output>3/10 = around 0.3</output>
<result>3/10 = around 0.3</result>


用10以内的质数能组成互质数有多少组．

How many co-prime numbers can be formed with prime numbers less than 10?

<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>


某工程队修一段公路，原计划每天修800米，15天完成，实际每天多修200米，实际多少天完成？

An engineering team repaired a section of road. It was originally planned to repair 800 meters per day, and it took 15 days to complete. In fact, it actually repaired 200 meters more per day. How many days was it actually completed?

<gadget id="calculator">800 + 200</gadget>
<output>1_000</output>
<gadget id="calculator">15 / 1_000</gadget>
<output>3/200 = around 0.015</output>
<gadget id="calculator">800 * (3/200)</gadget>
<output>12</output>
<result>12</result>


学校买了20个足球，是篮球的(2/9)，篮球有多少个？

The school bought 20 footballs, which are basketballs (2/9). How many basketballs are there?

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>
<gadget id="calculator">20 / (2/9)</gadget>
<output>90</output>
<result>90</result>


今年植树节，四年级植树116棵，五年级植树的棵树比四年级多(1/4)，五年级植树多少棵？

This year's Arbor Day, the fourth grade planted 116 trees, the fifth grade planted more trees than the fourth grade (1/4), how many trees were planted in the fifth grade?

<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">116 * (5/4)</gadget>
<output>145</output>
<result>145</result>


学校生物园里有玉米地20m**2，种玉米的面积是种白菜的(4/5)，种白菜多少m**2？方程解答．

There is a 20m**2 corn field in the school’s biological garden, and the area for planting corn is 4/5 of that used for cabbage. How much is the m**2 for cabbage? Equation solution.

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">20 / (4/5)</gadget>
<output>25</output>
<result>25</result>


<gadget id="calculator">58 - 22</gadget>
<output>36</output>
<gadget id="calculator">36 / 3</gadget>
<output>12</output>
<result>12</result>


一个三角形的面积是36平方分米，它的底是9分米，这个三角形高是多少厘米．

The area of a triangle is 36 square decimeters and its base is 9 decimeters. What is the height of the triangle in centimeters?

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>
<gadget id="calculator">36 * (2/9) * 10</gadget>
<output>80</output>
<result>80</result>


<gadget id="calculator">5.8 * 5</gadget>
<output>29</output>
<gadget id="calculator">29 + 3.2</gadget>
<output>32.2</output>
<result>32.2</result>


两个连在一起的齿轮，前轮直径是后轮的(1/3)，后轮转动9周，前轮转动多少周．

Two gears connected together, the diameter of the front wheel is 1/3 of that of the rear wheel, the rear wheel rotates 9 times, how many times does the front wheel rotate.


小红期中考试语文、数学、英语三门的平均分是91分，语文和英语平均分是89分，数学是多少分？

The average score of Xiaohong's Chinese, mathematics and English in the mid-term exam is 91 points, and the average score of Chinese and English is 89 points. What is the score of mathematics?

<gadget id="calculator">91 * 3</gadget>
<output>273</output>
<gadget id="calculator">89 * 2</gadget>
<output>178</output>
<gadget id="calculator">273 - 178</gadget>
<output>95</output>
<result>95</result>


一根两米长的绳子，第一次用去它的(1/3)，第二次用去它的(1/2)，还剩它的多少．

A two-meter-long rope, its (1/3) is used for the first time, and its (1/2) is used for the second time, how much of it is left.

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


Solve the equation 72-4x=12, x=how much.

<gadget id="calculator">72 - 12</gadget>
<output>60</output>
<gadget id="calculator">60 / 4</gadget>
<output>15</output>
<result>15</result>


x与12的和再乘0.5等于20．

The sum of x and 12 multiplied by 0.5 equals 20.

<gadget id="calculator">12 * 0.5</gadget>
<output>6</output>
<gadget id="calculator">12 - 6</gadget>
<output>6</output>
<gadget id="calculator">6 / 0.5</gadget>
<output>12</output>
<result>12</result>


一个三角形的面积是48平方分米，一条边长是12分米，这条边上的高是多少分米．

The area of a triangle is 48 square decimeters, and the length of one side is 12 decimeters. What is the height of this side in decimeters?

<gadget id="calculator">2 / 12</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">48 * (1/6)</gadget>
<output>8</output>
<result>8</result>


上午8：00一辆货车以50千米/时的速度从甲地开往乙地；上午10：00一辆客车以60千米/时的速度从乙地开往甲地，两车相遇时，正好处在甲、乙两地的中点．请你算出甲、乙两地相距多少千米？

At 8:00 a.m., a truck drives from point A to point B at a speed of 50 km/h; at 10:00 a.m., a passenger car drives from point B to point A at a speed of 60 km/h. , which is exactly at the midpoint between A and B. Please calculate the distance between A and B in kilometers?

<gadget id="calculator">60 - 50</gadget>
<output>10</output>
<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">50 * (1/5) * 60 * 2</gadget>
<output>1_200</output>
<result>1_200</result>


学校买来2500张白纸，第一次用去235张，第二次用去365张，还剩多少张？

The school bought 2,500 sheets of blank paper, 235 sheets were used for the first time, and 365 sheets were used for the second time. How many sheets are left?

<gadget id="calculator">235 + 365</gadget>
<output>600</output>
<gadget id="calculator">2_500 - 600</gadget>
<output>1_900</output>
<result>1_900</result>


万叔叔带了1000元买饲料，买了15袋饲料．剩下10元，每袋饲料的价钱是多少？

Uncle Wan brought 1,000 yuan to buy feed and bought 15 bags of feed. With 10 yuan left, what is the price of each bag of feed?

<gadget id="calculator">1_000 - 10</gadget>
<output>990</output>
<gadget id="calculator">990 / 15</gadget>
<output>66</output>
<result>66</result>


某次数学竞赛共16道选择题，评分的方法是：每做对一题得5分，做错一题扣1分，未做不得分也不扣分，而且每个考生给10分底分，那么这次竞赛成绩最多有多少种不同的分数．

There are 16 multiple-choice questions in a certain mathematics competition. The scoring method is: 5 points for each correct answer, 1 point for each wrong answer, and no point penalty for failure to answer, and each candidate will be given 10 points as a base , then how many different scores there are at most in this competition.

<gadget id="calculator">11 + 5</gadget>
<output>16</output>
<gadget id="calculator">16 * 5</gadget>
<output>80</output>
<gadget id="calculator">1 - 10</gadget>
<output>-9</output>
<gadget id="calculator">10 + 80 + (-9)</gadget>
<output>81</output>
<result>81</result>


一个教室长8米，宽6米，高3.6米，现在要粉刷教室的墙壁和天花板，门窗和黑板的面积是23平方米，平均每平方米用涂料0.25千克，粉刷这个教室共需要涂料多少千克？

A classroom is 8 meters long, 6 meters wide, and 3.6 meters high. Now it is necessary to paint the walls and ceiling of the classroom. The area of doors, windows and blackboards is 23 square meters. The average paint used per square meter is 0.25 kilograms. How many kilograms of paint are needed to paint this classroom? ?

<gadget id="calculator">8 * 6</gadget>
<output>48</output>
<gadget id="calculator">8 * 3.6</gadget>
<output>28.8</output>
<gadget id="calculator">6 * 3.6</gadget>
<output>21.6</output>
<gadget id="calculator">28.8 + 21.6</gadget>
<output>50.4</output>
<gadget id="calculator">50.4 * 2</gadget>
<output>100.8</output>
<gadget id="calculator">100.8 - 23</gadget>
<output>77.8</output>
<gadget id="calculator">48 + 77.8</gadget>
<output>125.8</output>
<gadget id="calculator">125.8 * 0.25</gadget>
<output>31.45</output>
<result>31.45</result>


给10米增加它的(1/5)后，再减少(1/5)米后是多少米．

What is the number of meters after adding (1/5) to 10 meters and then reducing (1/5) meters?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">10 * (6/5)</gadget>
<output>12</output>
<gadget id="calculator">12 - (1/5)</gadget>
<output>59/5 = around 11.8</output>
<result>59/5 = around 11.8</result>


某修路队计划修一条长1200米的路．第一周修了全长的(1/4)，第二周修了全长的(1/3)．第一周比第二周少修多少米？

road construction team plans to build a road with a length of 1200 meters. The full-length (1/4) was repaired in the first week, and the full-length (1/3) was repaired in the second week. How many meters was repaired less in the first week than in the second week?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/3) - (1/4)</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">1_200 * (1/12)</gadget>
<output>100</output>
<result>100</result>


王叔叔要去12千米外的公司办事．去时乘坐的一种出租车，4千米以内收费10元，超过4千米后，每千米加收1.2元．王叔叔去时的出租车费是多少元？

Uncle Wang is going to work in a company 12 kilometers away. A taxi is charged at 10 yuan within 4 kilometers, and 1.2 yuan per kilometer after 4 kilometers. How much is the taxi fare when Uncle Wang goes there?

<gadget id="calculator">12 - 4</gadget>
<output>8</output>
<gadget id="calculator">1.2 * 8</gadget>
<output>9.6</output>
<gadget id="calculator">9.6 + 10</gadget>
<output>19.6</output>
<result>19.6</result>


小明有一本童话故事书共有140页，他前4天看了84页，小明前四天平均每天看多少页？

Xiao Ming has a fairy tale book with 140 pages in total. He read 84 pages in the first 4 days. How many pages did Xiao Ming read on average in the first 4 days?

<gadget id="calculator">84 / 4</gadget>
<output>21</output>
<result>21</result>


<gadget id="calculator">4 / 17</gadget>
<output>4/17 = around 0.235294</output>
<gadget id="calculator">3 / 13</gadget>
<output>3/13 = around 0.230769</output>
<gadget id="calculator">(4/17) * (3/13)</gadget>
<output>12/221 = around 0.054299</output>
<gadget id="calculator">5 / 17</gadget>
<output>5/17 = around 0.294118</output>
<gadget id="calculator">4 / 26</gadget>
<output>2/13 = around 0.153846</output>
<gadget id="calculator">(5/17) * (2/13)</gadget>
<output>10/221 = around 0.045249</output>
<gadget id="calculator">11 / 26</gadget>
<output>11/26 = around 0.423077</output>
<gadget id="calculator">(4/17) * (11/26)</gadget>
<output>22/221 = around 0.099548</output>
<gadget id="calculator">(10/221) - (22/221)</gadget>
<output>-12/221 = around -0.054299</output>
<gadget id="calculator">(12/221) + (-12/221)</gadget>
<output>0</output>
<result>0</result>


小明爸爸的轿车要从大理路往南开，去北花学校接我．如果小明爸爸以每分钟500米的速度行驶，3分钟后，距北望路还有5千米，北望路是整个路程的中点，请问大理路到北花学校距离多少米？

Xiaoming's father's car will drive south from Dali Road to pick me up from Beihua School. If Xiaoming’s father is driving at a speed of 500 meters per minute, after 3 minutes, there will be 5 kilometers away from Beiwang Road. Beiwang Road is the midpoint of the whole journey. How many meters is the distance from Dali Road to Beihua School?


相同的两个非0数相除，商是多少．

What is the quotient when two identical non-zero numbers are divided?

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


一个半圆形花坛的直径是5米，这个花坛的周长是多少．

The diameter of a semicircular flower bed is 5 meters, what is the perimeter of the flower bed?

<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">3.14 * (5/2)</gadget>
<output>7.85</output>
<gadget id="calculator">7.85 + 5</gadget>
<output>12.85</output>
<result>12.85</result>


甲乙丙三个数的和等于235，甲数比乙数大80，丙数比甲数小90，这3个数的最大公约数是多少．

The sum of the three numbers A, B, and C is equal to 235. The number A is 80 greater than the number B, and the number C is 90 less than the number A. What is the greatest common divisor of these three numbers?


一个三角形零件底12厘米、高4厘米，它的面积是多少平方厘米？

A triangular part has a base of 12 cm and a height of 4 cm. What is its area in square centimeters?

<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">12 * 2</gadget>
<output>24</output>
<result>24</result>


李叔叔把20000元存入银行，定期2年，年利率是3.25%，到期后李叔叔可领到多少元利息．

Uncle Li deposits 20,000 yuan in the bank for 2 years, with an annual interest rate of 3.25%. How much interest can Uncle Li receive after maturity?

<gadget id="calculator">3.25 / 100</gadget>
<output>0.0325</output>
<gadget id="calculator">20_000 * 0.0325 * 2</gadget>
<output>1_300</output>
<result>1_300</result>


<gadget id="calculator">1 / 19</gadget>
<output>1/19 = around 0.052632</output>
<gadget id="calculator">8 / 3</gadget>
<output>8/3 = around 2.666667</output>
<gadget id="calculator">(1/19) / (8/3)</gadget>
<output>3/152 = around 0.019737</output>
<gadget id="calculator">5 / 19</gadget>
<output>5/19 = around 0.263158</output>
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">(5/19) * (1/8)</gadget>
<output>5/152 = around 0.032895</output>
<gadget id="calculator">(3/152) + (5/152)</gadget>
<output>1/19 = around 0.052632</output>
<result>1/19 = around 0.052632</result>


一个游泳池长50米，小明游了8个来回，小明共游了多少米？

A swimming pool is 50 meters long. Xiao Ming swam 8 round trips. How many meters did Xiao Ming swim in total?

<gadget id="calculator">50 * 8 * 2</gadget>
<output>800</output>
<result>800</result>


一支钢笔的价钱是一支圆柱笔价钱的4.5倍，买一支钢笔和一支圆珠笔共13.2元，一支钢笔多少元？

The price of a fountain pen is 4.5 times that of a ballpoint pen. Buying a fountain pen and a ballpoint pen costs 13.2 yuan. How much is a fountain pen?

<gadget id="calculator">1 + 4.5</gadget>
<output>5.5</output>
<gadget id="calculator">13.2 / 5.5</gadget>
<output>2.4</output>
<gadget id="calculator">2.4 * 4.5</gadget>
<output>10.8</output>
<result>10.8</result>


张阿姨和李阿姨买了5箱酸牛奶，李阿姨买了2箱，张阿姨比李阿姨多用了96元．酸牛奶的单价是多少元？

Aunt Zhang and Aunt Li bought 5 boxes of yogurt, and Aunt Li bought 2 boxes. Aunt Zhang spent 96 yuan more than Aunt Li. How much is the unit price of yogurt?

<gadget id="calculator">5 - 2 - 2</gadget>
<output>1</output>
<gadget id="calculator">96 / 1</gadget>
<output>96</output>
<result>96</result>


李小冉在一次撑高跳中，竹竿长4.8米，入沙部分是0.3米，竹竿高出横杆部分是0.88米．你知道李小冉的撑高跳的成绩是多少吗？

In Li Xiaoran's high jump, the bamboo pole was 4.8 meters long, the part entering the sand was 0.3 meters, and the part above the crossbar was 0.88 meters. Do you know what Li Xiaoran's high jump score is?

<gadget id="calculator">4.8 - 0.3 - 0.88</gadget>
<output>3.62</output>
<result>3.62</result>


在260/20中，如果被除数除以10，要使商不变，除数应减少多少

In 260/20, if the dividend is divided by 10, how much should the divisor be reduced to keep the quotient constant

<gadget id="calculator">20 / 10</gadget>
<output>2</output>
<gadget id="calculator">20 - 2</gadget>
<output>18</output>
<result>18</result>


某人到第十层大楼办事，他从第一层到第五层用60秒，那么以同样的速度往上走到第十层，还需要多少秒才能到达．

person goes to the tenth floor to do business, and it takes him 60 seconds to go from the first floor to the fifth floor, then how many seconds will it take to go up to the tenth floor at the same speed.

<gadget id="calculator">5 - 1</gadget>
<output>4</output>
<gadget id="calculator">60 / 4</gadget>
<output>15</output>
<gadget id="calculator">10 - 5</gadget>
<output>5</output>
<gadget id="calculator">15 * 5</gadget>
<output>75</output>
<result>75</result>


已知两个因数的积是0.48，其中一个因数是0.12，另一个因数是多少．

It is known that the product of two factors is 0.48, one of which is 0.12, and what is the other factor.

<gadget id="calculator">0.48 / 0.12</gadget>
<output>4</output>
<result>4</result>


某景点有一棵古树，用长7米的绳子绕它两圈，还剩下72厘米，求古树横截面的面积．

There is an ancient tree in a certain scenic spot, and a 7-meter-long rope is wrapped around it twice, and there is still 72 cm left. Find the cross-sectional area of the ancient tree.

<gadget id="calculator">7 - 0.72</gadget>
<output>6.28</output>
<gadget id="calculator">6.28 / 2</gadget>
<output>3.14</output>
<gadget id="calculator">3.14 / 3.14 / 2</gadget>
<output>0.5</output>
<gadget id="calculator">0.5 ** 2</gadget>
<output>0.25</output>
<gadget id="calculator">3.14 * 0.25</gadget>
<output>0.785</output>
<result>0.785</result>


甲数为38910，比乙数多6900，甲数和乙数一共是多少？

The number A is 38910, which is 6900 more than the number B. What is the total number of A and B?

<gadget id="calculator">38_910 - 6_900</gadget>
<output>32_010</output>
<gadget id="calculator">38_910 + 32_010</gadget>
<output>70_920</output>
<result>70_920</result>


一把开钥匙开一把锁．现有5把钥匙和对应的5把锁，但不知道哪把钥匙开哪把锁，最多要试多少次才能打开5把锁．

A key opens a lock. There are 5 keys and 5 corresponding locks, but we don't know which key will open which lock, and how many times will it take to open the 5 locks.

<gadget id="calculator">4 + 3 + 2 + 1</gadget>
<output>10</output>
<result>10</result>


甲、乙两地相距240千米，客、货两车分别从甲、乙两地同时相对开出，2.4小时后两车相遇．已知客车每小时比货车快10千米，货车每小时行多少千米？

The distance between A and B is 240 kilometers. Two passenger and freight vehicles leave from A and B respectively at the same time. After 2.4 hours, the two vehicles meet. It is known that the passenger car is 10 kilometers faster than the truck per hour, how many kilometers per hour does the truck travel?

<gadget id="calculator">240 / 2.4</gadget>
<output>100</output>
<gadget id="calculator">100 - 10</gadget>
<output>90</output>
<gadget id="calculator">90 / 2</gadget>
<output>45</output>
<result>45</result>


语文老师推荐了A、B两本课外读物，全班同学每人都至少买了一本．已知有(2/3)的同学买了A，(5/8)的同学买了B，14名同学两本都买了．该班共有多少名同学？

The Chinese teacher recommended two extra-curricular books, A and B, and everyone in the class bought at least one. It is known that (2/3) students bought A, (5/8) students bought B, and 14 students bought both books. How many students are there in this class?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">(5/8) - 1</gadget>
<output>-3/8 = around -0.375</output>
<gadget id="calculator">(2/3) + (-3/8)</gadget>
<output>7/24 = around 0.291667</output>
<gadget id="calculator">14 / (7/24)</gadget>
<output>48</output>
<result>48</result>


同学们去参观，上午去了2批学生，每批169人，下午有213人参观，这一天一共有多少学生参观？

The students went to visit. There were 2 batches of students in the morning, 169 people in each batch, and 213 people in the afternoon. How many students visited in total on this day?

<gadget id="calculator">169 * 2</gadget>
<output>338</output>
<gadget id="calculator">338 + 213</gadget>
<output>551</output>
<result>551</result>


爱家超市运进苹果1000千克，上午售出810千克，下午把剩余的出售完了，下午出售了多少千克？

Aijia Supermarket brought in 1,000 kilograms of apples, sold 810 kilograms in the morning, and sold the rest in the afternoon. How many kilograms were sold in the afternoon?

<gadget id="calculator">1_000 - 810</gadget>
<output>190</output>
<result>190</result>


学校图书馆的科技书、文艺书和故事书共12000本，其中科技书占(1/3)，文艺书与故事书的比是2：3，故事书有多少本？

There are 12,000 science books, art books, and story books in the school library, of which science books account for (1/3), and the ratio of art books to story books is 2:3. How many story books are there?

<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">2 + 3</gadget>
<output>5</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">12_000 * (2/3) * (3/5)</gadget>
<output>4_800</output>
<result>4_800</result>


一个圆柱和圆锥体积相等，底面积也相等．圆柱高6厘米，圆锥高多少厘米．

A cylinder and a cone have the same volume and the same base area. The height of the cylinder is 6 cm, what is the height of the cone in cm?

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


一个小于30的自然数，既是8的倍数，又是12的倍数，这个数是多少．

A natural number less than 30 is both a multiple of 8 and a multiple of 12. What is this number?

<gadget id="calculator">2 * 2 * 2 * 3</gadget>
<output>24</output>
<result>24</result>


一个商人把一件衣服标价200元，经打假人员鉴别降至60元一件出售，但仍可以赚20%，如按原价出售，则这件衣服可获利多少元．

A businessman puts a price of a piece of clothing at 200 yuan, but after being identified by anti-counterfeiting personnel, it is reduced to 60 yuan and sold, but he can still earn 20%. If it is sold at the original price, how much profit can the clothes make.

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">60 / (6/5)</gadget>
<output>50</output>
<gadget id="calculator">200 - 50</gadget>
<output>150</output>
<result>150</result>


学校组织学生去参观科技馆，一年级有320人，二年级有380人，三年级的人数比一、二年级的总人数少164人，三年级有多少人？

The school organizes students to visit the Science and Technology Museum. There are 320 students in the first grade, 380 students in the second grade, and 164 students in the third grade. How many students are there in the third grade?

<gadget id="calculator">380 - 164</gadget>
<output>216</output>
<gadget id="calculator">320 + 216</gadget>
<output>536</output>
<result>536</result>


副食店运来大米和面粉各9袋．大米每袋80千克，面粉每袋50千克．运来大米和面粉共多少千克？

The non-staple food store shipped 9 bags of rice and flour. Rice is 80 kg per bag, and flour is 50 kg per bag. How many kilograms of rice and flour are shipped together?

<gadget id="calculator">80 + 50</gadget>
<output>130</output>
<gadget id="calculator">130 * 9</gadget>
<output>1_170</output>
<result>1_170</result>


王大爷到银行存款2万元，存期一年，年利率2.25%，利息税是20%，到期王大爷共可取回多少元．

Uncle Wang deposits 20,000 yuan in the bank, with a deposit period of one year, an annual interest rate of 2.25%, and an interest tax of 20%. How much can Uncle Wang get back at maturity?

<gadget id="calculator">2 * 10_000</gadget>
<output>20_000</output>
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>
<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">20_000 * 0.0225 * 1 * (4/5)</gadget>
<output>360</output>
<gadget id="calculator">20_000 + 360</gadget>
<output>20_360</output>
<result>20_360</result>


一个圆柱侧面展开图是一个正方形，圆柱的高是31.4dm，底面积是多少？

A side view of a cylinder is a square, the height of the cylinder is 31.4dm, what is the area of the base?

<gadget id="calculator">31.4 / 3.14 / 2</gadget>
<output>5</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">3.14 * 25</gadget>
<output>78.5</output>
<result>78.5</result>


如果把一个圆的半径扩大10倍，那么它的面积扩大多少倍．

If the radius of a circle is enlarged by 10 times, how many times will its area be enlarged?

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>
<gadget id="calculator">3.14 * 100</gadget>
<output>314</output>
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">3.14 * 1</gadget>
<output>3.14</output>
<gadget id="calculator">314 / 3.14</gadget>
<output>100</output>
<result>100</result>


两个工程队从相距208米的两段开挖一条隧道，第一工程队挖了48米后，第二队才开始挖，第一队平均每天挖10.8米，第二队平均每天挖9.2米．多少天后两队可以完成任务？

Two engineering teams excavated a tunnel from two sections 208 meters apart. The first engineering team dug 48 meters before the second team began to dig. The first team dug an average of 10.8 meters per day, and the second team dug an average of 9.2 meters per day. ． After how many days can the two teams complete the task?

<gadget id="calculator">208 - 48</gadget>
<output>160</output>
<gadget id="calculator">10.8 + 9.2</gadget>
<output>20</output>
<gadget id="calculator">160 / 20</gadget>
<output>8</output>
<result>8</result>


青山小学组织354名学生去春游，前6辆汽车各坐52名学生，第七辆汽车要坐多少名学生？

Qingshan Primary School organizes 354 students to go on a spring outing. The first 6 cars each hold 52 students. How many students will the seventh car take?

<gadget id="calculator">52 * 6</gadget>
<output>312</output>
<gadget id="calculator">354 - 312</gadget>
<output>42</output>
<result>42</result>


在20米的校园小道一边种柳树，每隔4米种一棵，两端都种，一共要种几棵树？

Plant willows on one side of a 20-meter campus path, one every 4 meters, and both ends. How many trees should be planted in total?

<gadget id="calculator">20 / 4</gadget>
<output>5</output>
<gadget id="calculator">5 + 1</gadget>
<output>6</output>
<result>6</result>


在学校的科技小论文比赛中，共收到180篇小论文，经评比获奖论文约占总数的(3/4)，在获奖作品中有(1/3)是六年级同学的，六年级同学共有多少篇小论文获奖？

In the school's science and technology essay competition, a total of 180 essays were received, and the award-winning essays accounted for about (3/4) of the total. Among the award-winning works (1/3) were sixth graders, sixth graders How many small papers were awarded?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">180 * (3/4) * (1/3)</gadget>
<output>45</output>
<result>45</result>


一个面积1平方分米的正方形，它的周长是多少．

What is the perimeter of a square with an area of 1 square centimeter?

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


小明7月30日上午7时乘车去姥姥家，31日下午2时到达，小明乘车一共用了多少小时．

Xiao Ming went to grandma's house by car at 7 am on July 30, and arrived at 2 pm on July 31. How many hours did Xiao Ming spend by car?

<gadget id="calculator">17 + 14</gadget>
<output>31</output>
<result>31</result>


一个圆柱形蓄水池的底面半径是10米，池深4.5米，这个蓄水池最多能蓄水多少立方米？

A cylindrical cistern has a bottom radius of 10 meters and a depth of 4.5 meters. How many cubic meters of water can this cistern hold at most?

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>
<gadget id="calculator">3.14 * 100 * 4.5</gadget>
<output>1_413</output>
<result>1_413</result>


月季每8天浇一次水，君子兰每10天浇一次水，张阿姨第一次同时给它们浇水，下一次再过几天又同时给它们浇水？

The roses are watered every 8 days, and the Clivia is watered every 10 days. Aunt Zhang watered them at the same time for the first time, and how many days later will she water them at the same time next time?

<gadget id="calculator">2 * 2 * 2 * 5</gadget>
<output>40</output>
<result>40</result>


有一个数列：4，10，16，22，…，52．这个数列共有多少项？

There is a sequence: 4, 10, 16, 22, ..., 52. How many items does this sequence have?

<gadget id="calculator">52 - 4</gadget>
<output>48</output>
<gadget id="calculator">10 - 4</gadget>
<output>6</output>
<gadget id="calculator">48 / 6</gadget>
<output>8</output>
<gadget id="calculator">8 + 1</gadget>
<output>9</output>
<result>9</result>


<gadget id="calculator">5.4 / 0.9</gadget>
<output>6</output>
<gadget id="calculator">0.96 / 6</gadget>
<output>0.16</output>
<gadget id="calculator">9.4 * 0.16</gadget>
<output>1.504</output>
<result>1.504</result>


张村现在共有土地2400公顷，比李村多(1/5)，李村有多少公顷？

Zhang Village now has a total land area of 2400 hectares, which is 1/5 more than that of Li Village. How many hectares does Li Village have?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">2_400 / (6/5)</gadget>
<output>2_000</output>
<result>2_000</result>


从1到9这9个数中，每次取2个数，要使它的和大于10，共有多少种取法．

From the 9 numbers from 1 to 9, how many ways are there to take 2 numbers each time to make their sum greater than 10?

<gadget id="calculator">7 + 5 + 3 + 1</gadget>
<output>16</output>
<result>16</result>


客车和货车分别从甲乙两地同时相向而行，到达对方车站后立即返回，第二次相遇时货车距离甲地36千米，客车速度与货车速度之比2：3．甲乙两地相距多少千米？

The passenger car and the freight car are traveling towards each other at the same time from A and B respectively, and return immediately after arriving at the opposite station. When they meet for the second time, the distance between the freight car and A is 36 kilometers, and the ratio of the speed of the passenger car to the speed of the freight car is 2:3. How many kilometers are there between A and B?

<gadget id="calculator">2 + 3</gadget>
<output>5</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">3 * (3/5)</gadget>
<output>9/5 = around 1.8</output>
<gadget id="calculator">2 - (9/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">36 / (1/5)</gadget>
<output>180</output>
<result>180</result>


一个数减去3.6，所得的差的5倍，正好等于这个数的3倍，求这个数．

If 3.6 is subtracted from a number, 5 times the difference is exactly equal to 3 times the number. Find this number.

<gadget id="calculator">3.6 * 5</gadget>
<output>18</output>
<gadget id="calculator">5 - 3</gadget>
<output>2</output>
<gadget id="calculator">18 / 2</gadget>
<output>9</output>
<result>9</result>


有六袋玻璃球，分别有15、16、18、19、20、31颗．甲拿走了若干袋．乙也拿走了若干袋，还剩一袋，甲拿走的颗数是乙的2倍．问剩下的那袋有多少颗．

There are six bags of glass balls, 15, 16, 18, 19, 20, 31 respectively. A took some bags. B also took some bags, and there was only one bag left, and A took twice as many as B. Ask how many pills are in the remaining bag.


每节硬座车厢有118个座位，一列火车有15节硬座车厢，这列火车有多少个硬座座位？

Each hard-seat car has 118 seats, and a train has 15 hard-seat cars. How many hard-seat seats does this train have?

<gadget id="calculator">118 * 15</gadget>
<output>1_770</output>
<result>1_770</result>


When calculating 270-(80+210/35), what should be calculated first

<gadget id="calculator">210 / 35</gadget>
<output>6</output>
<result>6</result>


某公司有一堆煤，原计划每天烧20吨，可以烧45天，实际每天烧煤比原计划节约25%，这堆煤实际烧了多少天？

A company has a pile of coal. It was originally planned to burn 20 tons per day, and it can be burned for 45 days. The actual daily coal consumption is 25% lower than the original plan. How many days did the pile of coal actually burn?

<gadget id="calculator">45 * 20</gadget>
<output>900</output>
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">20 * (3/4)</gadget>
<output>15</output>
<gadget id="calculator">900 / 15</gadget>
<output>60</output>
<result>60</result>


第三小组六个队员的身高分别是128厘米、136厘米、140厘米、132厘米、124厘米、120厘米．他们的平均身高是多少？

The heights of the six members of the third group are 128 cm, 136 cm, 140 cm, 132 cm, 124 cm, and 120 cm. What is their average height?

<gadget id="calculator">128 + 136 + 140 + 132 + 124 + 120</gadget>
<output>780</output>
<gadget id="calculator">780 / 6</gadget>
<output>130</output>
<result>130</result>


一辆自重为3吨的汽车，装载了2架各重500千克的机器，要通过一座限重5吨的窄桥，安全吗？

Is it safe for a car with a self-weight of 3 tons to pass through a narrow bridge with a weight limit of 5 tons loaded with two machines weighing 500 kg each?


建筑工人修一条水渠，第一天修了60米，刚好修了这条水渠的(2/15)，这条水渠长多少米？

Construction workers repaired a canal, and built 60 meters on the first day, which happened to be (2/15) of this canal. How long is this canal in meters?

<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>
<gadget id="calculator">60 / (2/15)</gadget>
<output>450</output>
<result>450</result>


小明买了两支同样的钢笔，付给售货员30元，售货员找给他6元钱，一支钢笔多少元钱？算式是多少

Xiao Ming bought two identical pens, paid the salesperson 30 yuan, and the salesperson gave him 6 yuan in change. How much is a pen? what is the formula

<gadget id="calculator">30 - 6</gadget>
<output>24</output>
<gadget id="calculator">24 / 2</gadget>
<output>12</output>
<result>12</result>


<gadget id="calculator">5.2 + 3.3</gadget>
<output>8.5</output>
<gadget id="calculator">8.5 / 1.7</gadget>
<output>5</output>
<gadget id="calculator">18.5 - 5</gadget>
<output>13.5</output>
<result>13.5</result>


300/6商的末尾有多少个0．

How many 0s are there at the end of the 300/6 quotient?


修一条长1000m的水渠，已经修了7天，每天修120m，还剩下多少米没有修？

It has been 7 days to build a canal with a length of 1000m, and 120m is repaired every day. How many meters are left to be repaired?

<gadget id="calculator">120 * 7</gadget>
<output>840</output>
<gadget id="calculator">1_000 - 840</gadget>
<output>160</output>
<result>160</result>


在一道减法算式里，被减数+减数+差=100，则被减数是多少．

In a subtraction formula, minuend + subtrahend + difference = 100, what is the minuend.

<gadget id="calculator">100 / 2</gadget>
<output>50</output>
<result>50</result>


把一个周长是40分米的正方形变为一个和它周长相等的长方形，如果长是15分米，则宽应是多少分米．

If a square with a perimeter of 40 decimeters is transformed into a rectangle equal to its perimeter, if the length is 15 decimeters, what is the width in decimeters?

<gadget id="calculator">40 / 2</gadget>
<output>20</output>
<gadget id="calculator">20 - 15</gadget>
<output>5</output>
<result>5</result>


一个正方体盒子，棱长4分米，它的表面积是多少平方分米？

What is the surface area of a cube with side length 4 decimeters?

<gadget id="calculator">4 * 4 * 6</gadget>
<output>96</output>
<result>96</result>


从72里连续减去多少个9，正好减完．

How many consecutive 9s are subtracted from 72, just to complete the subtraction.

<gadget id="calculator">72 / 9</gadget>
<output>8</output>
<result>8</result>


在一个高12厘米的圆柱形储水桶里，放入一段半径为4厘米的圆钢．如果把它露出水面6厘米，这时桶里的水就下降4厘米．这个储水桶最多能储多少水？

In a cylindrical water storage bucket with a height of 12 cm, put a piece of round steel with a radius of 4 cm. If it is exposed to the surface of the water by 6 cm, the water in the bucket will drop by 4 cm. How much water can this bucket hold?

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>
<gadget id="calculator">3.14 * 16 * 6</gadget>
<output>301.44</output>
<gadget id="calculator">301.44 / 4</gadget>
<output>75.36</output>
<gadget id="calculator">75.36 * 12</gadget>
<output>904.32</output>
<result>904.32</result>


某园林厂去年栽树4500棵，今年计划比去年多栽20%，今年计划栽树多少棵？

A garden factory planted 4,500 trees last year. This year it plans to plant 20% more than last year. How many trees are planned to be planted this year?

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">4_500 * (6/5)</gadget>
<output>5_400</output>
<result>5_400</result>


六年级的学生参加体能测试，其中7名同学的成绩如下：80、90、80、76、74、80、80．下面说法中，错误的是中位数是多少

Sixth grade students participated in the physical fitness test, and the scores of 7 of them were as follows: 80, 90, 80, 76, 74, 80, 80. In the following statement, the error is what is the median


一个长方体鱼缸，长8分米，宽5分米，高6分米．给这鱼缸注入120升水，水深多少分米？

A cuboid fish tank is 8 decimeters long, 5 decimeters wide, and 6 decimeters high. Fill this fish tank with 120 liters of water, how many decimeters is the water depth?

<gadget id="calculator">8 * 5</gadget>
<output>40</output>
<gadget id="calculator">120 / 40</gadget>
<output>3</output>
<result>3</result>


把一根圆柱形木料截成3段，表面积增加了37.68平方厘米，这根木料的底面积是多少平方厘米．

If a cylindrical piece of wood is cut into 3 sections, the surface area increases by 37.68 square centimeters. What is the area of the bottom of this piece of wood in square centimeters?

<gadget id="calculator">37.68 / 4</gadget>
<output>9.42</output>
<result>9.42</result>


乐乐在爸爸开的餐厅打工，规定做满一周(7天)可得70元钱和一辆四轮驱车，做了5天后乐乐有事离开了，爸爸付给他40元和一辆四轮驱车，这这辆四轮驱车的价钱是多少．

Lele works part-time in the restaurant opened by his father. It is stipulated that he can get 70 yuan and a four-wheel drive for a full week (7 days). After working for 5 days, Lele has something to leave. Drive, how much is the price of this four-wheel drive.


在一个棱长为10分米的正方体容器中注入50厘米深的水，再向里面放入一铁块(完全浸没)，这时水深75厘米，该铁块的体积是多少立方分米？

Pour 50 centimeters of water into a cube container with a side length of 10 decimeters, and put an iron block (completely submerged) into it. At this time, the water depth is 75 centimeters. What is the volume of the iron block?

<gadget id="calculator">75 / 10</gadget>
<output>15/2 = around 7.5</output>
<gadget id="calculator">50 / 10</gadget>
<output>5</output>
<gadget id="calculator">(15/2) - 5</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">10 * 10 * (5/2)</gadget>
<output>250</output>
<result>250</result>


x的一半比8的3倍少1.5，求x．

Half of x is 1.5 less than three times of 8, find x.

<gadget id="calculator">8 * 3</gadget>
<output>24</output>
<gadget id="calculator">24 - 1.5</gadget>
<output>22.5</output>
<gadget id="calculator">22.5 / 0.5</gadget>
<output>45</output>
<result>45</result>


小明在商店里买了一个文具，经过还价后，付款8元钱，比原价便宜了2元钱．小龙买这个文具盒实际价钱比原价便宜了百分之几？

Xiao Ming bought a stationery in the store. After counter-offering, he paid 8 yuan, which was 2 yuan cheaper than the original price. What percentage is the actual price that Xiaolong bought this pencil case cheaper than the original price?

<gadget id="calculator">8 + 2</gadget>
<output>10</output>
<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">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>


打一部书稿，第一天打了32页，第二天打了28页，这两天打的页数占着部书稿的(3/4)，这部书稿共有多少页？

A manuscript was typed, 32 pages were typed on the first day, and 28 pages were typed on the second day. The number of pages typed in these two days accounted for (3/4) of the entire manuscript. How many pages does this manuscript have?

<gadget id="calculator">32 + 28</gadget>
<output>60</output>
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">60 / (3/4)</gadget>
<output>80</output>
<result>80</result>


一辆汽车运一堆货物，运走了总数的65%，这时剩下的比运走的少18吨，原来这批货物共有多少吨？

A car transports a bunch of goods, and 65% of the total is transported away. At this time, the remaining goods are 18 tons less than the goods transported. How many tons are there in total for this batch of goods?

<gadget id="calculator">65 / 100</gadget>
<output>13/20 = around 0.65</output>
<gadget id="calculator">1 - (13/20)</gadget>
<output>7/20 = around 0.35</output>
<gadget id="calculator">(13/20) - (7/20)</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">18 / (3/10)</gadget>
<output>60</output>
<result>60</result>


等边三角形三条边之和是15米，它的底边是多少米．

The sum of the three sides of an equilateral triangle is 15 meters, what is the base of the triangle?

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


白绳长58米，比红绳的4倍少2米，红绳长多少米？

The length of the white rope is 58 meters, which is 2 meters less than 4 times that of the red rope. How long is the red rope in meters?

<gadget id="calculator">58 + 2</gadget>
<output>60</output>
<gadget id="calculator">60 / 4</gadget>
<output>15</output>
<result>15</result>


小胖7点从家出发去学校，走了2分钟后，发现数学书没带，马上转身回家去拿，到达学校已经是7时28分了，已知小胖每分钟走100米，上楼下楼拿书一共用了4分钟，小胖家离学校有多远？

Fatty left home for school at 7 o'clock. After walking for 2 minutes, he found that he didn't bring his math books, so he turned around and went home to get them. It was already 7:28 when he arrived at school. It was known that Fatty walked 100 meters per minute. It took 4 minutes to get the books downstairs. How far is Xiaopang's house from the school?

<gadget id="calculator">2 * 2</gadget>
<output>4</output>
<gadget id="calculator">28 - 4 - 4</gadget>
<output>20</output>
<gadget id="calculator">20 * 100</gadget>
<output>2_000</output>
<result>2_000</result>


下列分数比(1/2)小的是多少

Which of the following fractions is less than (1/2)

<gadget id="calculator">5 / 13</gadget>
<output>5/13 = around 0.384615</output>
<result>5/13 = around 0.384615</result>


冰箱厂今年上半年生产冰箱24000台，超过计划4000台．超额了百分之几？

The refrigerator factory produced 24,000 refrigerators in the first half of this year, 4,000 more than planned. By what percentage?

<gadget id="calculator">24_000 - 4_000</gadget>
<output>20_000</output>
<gadget id="calculator">4_000 / 20_000</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


有一队同学，若二个二个地数，三个三个地数，五个五个地数，都余1人，七个七个地数恰好数完，问这队学生至少有多少人？

There is a group of students. If two count two, three count three, five five count, and there is one person left, and seven seven count exactly, how many students are there at least in this team?

<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>
<gadget id="calculator">30 * 3</gadget>
<output>90</output>
<gadget id="calculator">90 + 1</gadget>
<output>91</output>
<result>91</result>


计划将一块地的(7/9)种草，剩下的植树，植树的地面比种草的地面少这块地的多少

It is planned to plant grass in one piece of land (7/9), and plant trees in the rest. The ground for planting trees is less than the ground for planting grass.

<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>
<gadget id="calculator">1 - (7/9)</gadget>
<output>2/9 = around 0.222222</output>
<gadget id="calculator">(7/9) - (2/9)</gadget>
<output>5/9 = around 0.555556</output>
<result>5/9 = around 0.555556</result>


小马虎在甲数一道减法算式时，错把减数65看成了56，结果得到差是215，正确的差是多少．

The little sloppy mistook the subtrahend 65 as 56 in a subtraction formula, and the result was a difference of 215. What is the correct difference?

<gadget id="calculator">56 - 65</gadget>
<output>-9</output>
<gadget id="calculator">215 + (-9)</gadget>
<output>206</output>
<result>206</result>


植树节，三年级同学去栽树，栽了20行松树，每行25棵，还栽了160棵柏树．栽的松树和柏树一共有多少棵？

On Arbor Day, the third graders went to plant trees. They planted 20 rows of pine trees, 25 in each row, and 160 cypress trees. How many pine and cypress trees are planted?

<gadget id="calculator">25 * 20</gadget>
<output>500</output>
<gadget id="calculator">500 + 160</gadget>
<output>660</output>
<result>660</result>


甲、乙两桶油重量相等．从甲桶取走32千克油，乙桶加入16千克油，这时，乙桶油的重量是甲桶油重量的3倍．两桶油原来各有多少千克？

Two barrels of oil, A and B, have the same weight. 32 kg of oil is taken from barrel A, and 16 kg of oil is added to barrel B. At this time, the weight of oil in barrel B is three times the weight of oil in barrel A. How many kilograms are the two barrels of oil originally?

<gadget id="calculator">32 + 16</gadget>
<output>48</output>
<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">48 / 2</gadget>
<output>24</output>
<gadget id="calculator">24 + 32</gadget>
<output>56</output>
<result>56</result>


某人装修房子，它的书房长4.5米，宽3.6米，用一种方砖正好45块，客厅长6米，宽4.5米，用同样的方砖需要多少块？

Someone is decorating a house. His study room is 4.5 meters long and 3.6 meters wide. There are exactly 45 pieces of one kind of square bricks. The living room is 6 meters long and 4.5 meters wide. How many pieces of the same square bricks are needed?

<gadget id="calculator">3.6 / 45</gadget>
<output>0.08</output>
<gadget id="calculator">4.5 * 0.08</gadget>
<output>0.36</output>
<gadget id="calculator">4.5 / 0.36</gadget>
<output>12.5</output>
<gadget id="calculator">6 * 12.5</gadget>
<output>75</output>
<result>75</result>


把一袋水果平均分成8份，取出4份，是整袋的多少

Divide a bag of fruit into 8 parts on average, take out 4 parts, how much is the whole bag

<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>
<result>1/2 = around 0.5</result>


工厂有一堆煤，用掉(2/3)后，又运来36吨，这时工厂的煤正好与原来一样多，这个工厂原有煤多少吨．

There is a pile of coal in the factory. After (2/3) is used up, another 36 tons are brought in. At this time, the coal in the factory is exactly the same as before. How many tons of coal does the factory have?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">36 / (2/3)</gadget>
<output>54</output>
<result>54</result>


一个梯形的面积是3.3平方米，它的上底是1.6米，高是1.5米．这个梯形的下底是多少米？

The area of a trapezoid is 3.3 square meters, its upper base is 1.6 meters, and its height is 1.5 meters. How many meters is the bottom of this trapezoid?

<gadget id="calculator">2 / 1.5</gadget>
<output>1.333333</output>
<gadget id="calculator">3.3 * 1.333333</gadget>
<output>4.399999</output>
<gadget id="calculator">4.399999 - 1.6</gadget>
<output>2.799999</output>
<result>2.799999</result>


下列多少是方程1.4/x=0.7的解．

How many of the following are solutions to the equation 1.4/x=0.7.

<gadget id="calculator">1.4 / 0.7</gadget>
<output>2</output>
<result>2</result>


将六个自然数14，20，33，117，143，175分组，如果要求每组中的任意两个数都互质，则至少需要将这些数分成多少组．

Group six natural numbers 14, 20, 33, 117, 143, and 175. If any two numbers in each group are required to be relatively prime, at least how many groups do these numbers need to be divided into.


4台抽水机1.2小时抽水96.48吨水，平均每台抽水机每小时抽水多少吨？

water pumps pump 96.48 tons of water in 1.2 hours, how many tons of water does each pump pump per hour on average?

<gadget id="calculator">96.48 / 1.2 / 4</gadget>
<output>20.1</output>
<result>20.1</result>


重百商场买来710kg柚子，第一天卖出230kg，第二天比第一天少卖90kg，还剩多少kg．

Chongbai shopping mall bought 710kg grapefruit, sold 230kg on the first day, and sold 90kg less on the second day than the first day, how many kilograms are left?

<gadget id="calculator">230 - 90</gadget>
<output>140</output>
<gadget id="calculator">710 - 230 - 140</gadget>
<output>340</output>
<result>340</result>


某运动员在1000米的比赛中时间比平时缩短了(1/21)，速度提高了多少．

An athlete shortens the time (1/21) in the 1000-meter race than usual, and how much the speed increases.

<gadget id="calculator">1 / 21</gadget>
<output>1/21 = around 0.047619</output>
<gadget id="calculator">1 - (1/21)</gadget>
<output>20/21 = around 0.952381</output>
<gadget id="calculator">1 / (20/21)</gadget>
<output>21/20 = around 1.05</output>
<gadget id="calculator">(21/20) - 1</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">(1/20) / 1</gadget>
<output>1/20 = around 0.05</output>
<result>1/20 = around 0.05</result>


有两堆棋子，第一堆有82个，第二堆有68个．从第二堆中拿出多少个棋子放入第一堆，就能使第一堆的棋子数是第二堆的2倍．

There are two piles of chess pieces, the first pile has 82 pieces and the second pile has 68 pieces. How many chess pieces are taken from the second pile and put into the first pile, so that the number of chess pieces in the first pile is twice that of the second pile.

<gadget id="calculator">68 * 2</gadget>
<output>136</output>
<gadget id="calculator">136 - 82</gadget>
<output>54</output>
<gadget id="calculator">2 + 1</gadget>
<output>3</output>
<gadget id="calculator">54 / 3</gadget>
<output>18</output>
<result>18</result>


联华超市运来苹果150千克，比运来的桔子的2倍多10千克，运来的桔子多少千克？

Lianhua Supermarket shipped 150 kilograms of apples, 10 kilograms more than twice the amount of oranges. How many kilograms of oranges were shipped?

<gadget id="calculator">150 - 10</gadget>
<output>140</output>
<gadget id="calculator">140 / 2</gadget>
<output>70</output>
<result>70</result>


从一升酒精中倒出(1/3)升，再加入等量的水；搅匀后，再倒出(1/3)升混合液，并加入等量的水；搅匀后，再倒出(1/3)升混合液，并加入等量的水．这时，所得液体中，还有酒精多少升．

Pour out (1/3) liter from one liter of alcohol, and then add the same amount of water; after stirring well, pour out (1/3) liter of the mixture, and add the same amount of water; Take (1/3) liter of the mixture and add an equal amount of water. At this time, how many liters of alcohol are left in the resulting liquid.

<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">(2/3) * (2/3) * (2/3)</gadget>
<output>8/27 = around 0.296296</output>
<result>8/27 = around 0.296296</result>


甲乙丙三人赛跑，同时从起点出发后，甲比乙早10分钟到达终点，乙比丙早10分钟到达终点．已知甲每小时比乙快3千米，乙比丙快2千米．这次比赛的路程是多少千米．

A, B, and C are running a three-person race. After starting from the starting point at the same time, A reaches the finish line 10 minutes earlier than B, and B reaches the finish line 10 minutes earlier than C. It is known that A is 3 kilometers faster than B per hour, and B is 2 kilometers faster than C. How many kilometers is the distance of this race?

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


有一份稿件第一天打37%，第二天打38页，还剩(1/4)没打，稿件一共有多少页？

There is a manuscript that was typed 37% on the first day, and 38 pages on the second day, leaving (1/4) untyped. How many pages are there in total?

<gadget id="calculator">37 / 100</gadget>
<output>37/100 = around 0.37</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (37/100) - (1/4)</gadget>
<output>19/50 = around 0.38</output>
<gadget id="calculator">38 / (19/50)</gadget>
<output>100</output>
<result>100</result>


<gadget id="calculator">5 / 16</gadget>
<output>5/16 = around 0.3125</output>
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>
<gadget id="calculator">(5/16) * (4/7)</gadget>
<output>5/28 = around 0.178571</output>
<gadget id="calculator">16 / 5</gadget>
<output>16/5 = around 3.2</output>
<gadget id="calculator">1 / (16/5)</gadget>
<output>5/16 = around 0.3125</output>
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">(3/7) * (5/16)</gadget>
<output>15/112 = around 0.133929</output>
<gadget id="calculator">(5/28) + (5/16) + (15/112)</gadget>
<output>5/8 = around 0.625</output>
<result>5/8 = around 0.625</result>


小明把9根绳子打结连起来，变成一根长绳，这根长绳上有多少个结．

Xiao Ming knotted 9 ropes to form a long rope. How many knots are there on this long rope?

<gadget id="calculator">9 - 1</gadget>
<output>8</output>
<result>8</result>


"五•一"假期，妈妈买一台洗衣机花了2508元，还买了一台冰箱，冰箱比洗衣机便宜463元，买这两样电器共用了多少元钱．

During the "May 1st" holiday, my mother spent 2508 yuan on a washing machine and a refrigerator, which was 463 yuan cheaper than the washing machine. How much did you spend on these two appliances?

<gadget id="calculator">2_508 - 463</gadget>
<output>2_045</output>
<gadget id="calculator">2_045 + 2_508</gadget>
<output>4_553</output>
<result>4_553</result>


学校组织学生栽树，有15个班参加，每个班分成4组，每组有12人，参加栽树活动的一共有多少人？

The school organized students to plant trees. There were 15 classes participating. Each class was divided into 4 groups with 12 people in each group. How many people participated in the tree planting activity?

<gadget id="calculator">12 * 4 * 15</gadget>
<output>720</output>
<result>720</result>


爸爸买了一套西服共用去560元，其中裤子的价钱是上衣价钱的(3/5)，这条裤子的价格是多少？

Dad bought a suit for 560 yuan, and the price of the trousers is 3/5 of the price of the jacket. What is the price of the trousers?

<gadget id="calculator">3 + 5</gadget>
<output>8</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">560 * (3/8)</gadget>
<output>210</output>
<result>210</result>


小冬用20元钱买8千克西瓜，找回4元，每千克西瓜多少元？

Xiaodong buys 8 kilograms of watermelon for 20 yuan and gets back 4 yuan. How much is it per kilogram of watermelon?

<gadget id="calculator">20 - 4</gadget>
<output>16</output>
<gadget id="calculator">16 / 8</gadget>
<output>2</output>
<result>2</result>


甲、乙、丙三名同学的平均身高为1.48米，已知甲、乙两人的平均身高1.51米，则丙的身高为多少厘米．

The average height of students A, B, and C is 1.48 meters. If the average height of A and B is 1.51 meters, what is the height of C in centimeters?

<gadget id="calculator">1.48 * 3</gadget>
<output>4.44</output>
<gadget id="calculator">1.51 * 2</gadget>
<output>3.02</output>
<gadget id="calculator">4.44 - 3.02</gadget>
<output>1.42</output>
<gadget id="calculator">1.42 * 100</gadget>
<output>142</output>
<result>142</result>


甲数是乙数的多少，乙数是甲数的2倍．

The number of A is the number of B, and the number of B is twice the number of A.

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


小林有3件上衣2条裤子，每件上衣和每条裤子配成一套，可以配多少套

Kobayashi has 3 coats and 2 pairs of trousers. Each coat and each pair of trousers make a set. How many sets can be matched?

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


两个数的商是1.36，如果被除数缩小到原来的(1/100)，并且要使商不变，那么除数的变化是缩小到原来的多少

The quotient of two numbers is 1.36, if the dividend is reduced to the original (1/100), and the quotient is to be kept unchanged, then how much is the change of the divisor reduced to the original

<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>
<result>1/100 = around 0.01</result>


一个长方体的体积是63立方分米，底面积是18平方分米，高是多少分米．

The volume of a cuboid is 63 decimeters, the area of the base is 18 decimeters, and the height is decimeters.

<gadget id="calculator">63 / 18</gadget>
<output>7/2 = around 3.5</output>
<result>7/2 = around 3.5</result>


新新超市购进32箱水果，其中(3/4)是西瓜，西瓜有多少箱？

Xinxin Supermarket purchased 32 boxes of fruit, of which (3/4) is watermelon, how many boxes of watermelon are there?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">32 * (3/4)</gadget>
<output>24</output>
<result>24</result>


一个梯形，面积是56平方厘米，上下底的和是16厘米，高是多少厘米．

A trapezoid has an area of 56 square centimeters and the sum of its upper and lower bases is 16 centimeters. What is the height in centimeters?

<gadget id="calculator">2 / 16</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">56 * (1/8)</gadget>
<output>7</output>
<result>7</result>


一个长方形的面积是8平方米，其中宽是(1/2)米，长是多少米？(用方程解)

The area of a rectangle is 8 square meters, the width is (1/2) meter, how many meters is the length? (solution by equation)

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">8 / (1/2)</gadget>
<output>16</output>
<result>16</result>


把(5/23)的分子、分母加上同一个数后，正好可以约成(2/3)，这个加上去的数是多少？

After adding the same number to the numerator and denominator of (5/23), it can be reduced to (2/3). What is the added number?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(2/3) * 23</gadget>
<output>46/3 = around 15.333333</output>
<gadget id="calculator">(46/3) - 5</gadget>
<output>31/3 = around 10.333333</output>
<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(31/3) / (1/3)</gadget>
<output>31</output>
<result>31</result>


每头猪重125千克，8头同样的猪共重多少吨．

Each pig weighs 125 kg. What is the total weight of 8 identical pigs?

<gadget id="calculator">8 / 1_000</gadget>
<output>1/125 = around 0.008</output>
<gadget id="calculator">125 * (1/125)</gadget>
<output>1</output>
<result>1</result>


把一个圆锥形金属零件浸没在盛水的棱长为8厘米的正方体容器中，水面升高了3厘米且没有水溢出．这个零件的体积是多少？

conical metal part is submerged in a cube container with a side length of 8 cm to hold water, the water level rises by 3 cm and no water overflows. What is the volume of this part?

<gadget id="calculator">8 * 8 * 3</gadget>
<output>192</output>
<result>192</result>


把一条5米长的绳子平均分成7份，每份绳子的长度是这条绳子的多少

Divide a 5-meter-long rope into 7 parts, what is the length of each part?

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>
<result>1/7 = around 0.142857</result>


29□9300000是一个十位数，□里填多少时，这个数最接近30亿．

29□9300000 is a ten-digit number. When filling in □, this number is closest to 3 billion.


加工一批零件，王师傅单独加工需要15小时完成，李师傅单独加工需要12小时完成．两人合作，几小时可以加工这批零件的一半？

To process a batch of parts, Master Wang needs 15 hours to complete the processing alone, and Master Li needs 12 hours to complete the processing alone. How many hours can two people work together to process half of this batch of parts?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">(1/15) + (1/12)</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">(1/2) / (3/20)</gadget>
<output>10/3 = around 3.333333</output>
<result>10/3 = around 3.333333</result>


某工地需要94吨沙子，用一辆载重4.5吨的汽车运5次，余下的改用一辆载重6.5吨的汽车运，还要运多少次？

A construction site needs 94 tons of sand, which is transported 5 times by a truck with a load of 4.5 tons, and the rest is transported by a truck with a load of 6.5 tons. How many times should it be transported?

<gadget id="calculator">4.5 * 5</gadget>
<output>22.5</output>
<gadget id="calculator">94 - 22.5</gadget>
<output>71.5</output>
<gadget id="calculator">71.5 / 6.5</gadget>
<output>11</output>
<result>11</result>


织女星的运行速度是14千米/秒，比牛郎星的运行速度慢(6/13)，牛郎星的运行速度是多少？

The speed of Vega is 14 km/s, which is slower (6/13) than that of Altair. What is the speed of Altair?

<gadget id="calculator">6 / 13</gadget>
<output>6/13 = around 0.461538</output>
<gadget id="calculator">1 - (6/13)</gadget>
<output>7/13 = around 0.538462</output>
<gadget id="calculator">14 / (7/13)</gadget>
<output>26</output>
<result>26</result>


一个数由3个十，3个0.1和3个0.001组成，这个数是多少

A number consists of 3 tens, 3 0.1 and 3 0.001, what is the number

<gadget id="calculator">30 + 0.3 + 0.003</gadget>
<output>30.303</output>
<result>30.303</result>


有红、黄、白三种颜色的小球各10个，混合放在一个布袋中，一次至少摸出多少个，才能保证有5个小球是同色的．

There are 10 red, yellow, and white balls in each color, mix them in a cloth bag, and at least how many balls can be drawn at a time, so as to ensure that 5 balls are of the same color.

<gadget id="calculator">12 + 1</gadget>
<output>13</output>
<result>13</result>


小明和小红两家相距1400米，小明每分走52米，小红每分走48米，两人同时从家里出发相向而行，几分钟后两人相遇？

The distance between Xiao Ming and Xiao Hong is 1400 meters. Xiao Ming walks 52 meters per minute, and Xiao Hong walks 48 meters per minute. They start from home at the same time and walk toward each other. How many minutes later do they meet?

<gadget id="calculator">52 + 48</gadget>
<output>100</output>
<gadget id="calculator">1_400 / 100</gadget>
<output>14</output>
<result>14</result>


在公园小路上放一排花(两端都放)．每两盘花之间的距离是4米，需要25盘花却少了8盘花．要把现在的花刚好放完，每两盆花的距离应该是多少米？

Put a row of flowers (both ends) on the path in the park. The distance between every two sets of flowers is 4 meters, 25 sets of flowers are needed but 8 sets of flowers are missing. How many meters should be the distance between every two potted flowers if the current flowers are to be placed just right?

<gadget id="calculator">25 - 1</gadget>
<output>24</output>
<gadget id="calculator">25 - 8 - 1</gadget>
<output>16</output>
<gadget id="calculator">24 / 16</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">4 * (3/2)</gadget>
<output>6</output>
<result>6</result>


一座水塔高25米，一座电视塔的高度是这座水塔的12倍．电视塔比水塔高多少米？

A water tower is 25 meters high, and a TV tower is 12 times as high as this water tower. How much taller is the television tower than the water tower?

<gadget id="calculator">25 * 12</gadget>
<output>300</output>
<gadget id="calculator">300 - 25</gadget>
<output>275</output>
<result>275</result>


53与47的和乘15，积是多少？

What is the product of the sum of 53 and 47 multiplied by 15?

<gadget id="calculator">53 + 47</gadget>
<output>100</output>
<gadget id="calculator">100 * 15</gadget>
<output>1_500</output>
<result>1_500</result>


修路队修一条路，已经修的与总长的比是1：3，再修150米，则正好修完全长的50%．这条路全长多少米？

When a road repair team builds a road, the ratio of what has already been repaired to the total length is 1:3, and if another 150 meters is repaired, it will be exactly 50% of the total length. How long is this road in meters?

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/2) - (1/3)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">150 / (1/6)</gadget>
<output>900</output>
<result>900</result>


一件商品先涨价10%，再降价10%，这件商品的价格和原价比较，是涨了还是降了？变化幅度是多少？

The price of a product first increases by 10%, and then the price decreases by 10%. Compared with the original price, has the price of this product increased or decreased? What is the magnitude of the change?

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>
<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">(11/10) * (9/10)</gadget>
<output>99/100 = around 0.99</output>
<gadget id="calculator">1 - (99/100)</gadget>
<output>1/100 = around 0.01</output>
<result>1/100 = around 0.01</result>


小明在计算△*1.6+0.8时，不小心算成了△*1.6-0.8这样两个得数之间相差多少？

When Xiao Ming calculated △*1.6+0.8, he accidentally calculated △*1.6-0.8. How much is the difference between the two numbers?

<gadget id="calculator">0.8 + 0.8</gadget>
<output>1.6</output>
<result>1.6</result>


小明做抛硬币的游戏，他将硬币往空中扔了99次，落下后结果都是正面朝上，那么他扔第100次，落下后正面朝上的概率是多少．

Xiao Ming is playing a coin tossing game. He tosses the coin 99 times in the air, and the result is all heads up after it falls. Then what is the probability of the 100th time he tosses the coin and lands up heads?

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


两根同样长的铅笔，第一根用去14厘米，第二根用去2厘米后，第二根的长度是第一根的5倍，两根铅笔原来各有多少厘米？

Two pencils of the same length, the first one is used up 14 cm, the second one is used up 2 cm, and the length of the second one is 5 times that of the first one, how many centimeters are there in each of the two pencils?

<gadget id="calculator">14 - 2</gadget>
<output>12</output>
<gadget id="calculator">5 - 1</gadget>
<output>4</output>
<gadget id="calculator">12 / 4</gadget>
<output>3</output>
<gadget id="calculator">3 + 14</gadget>
<output>17</output>
<result>17</result>


下面各算式，得数小于500的是多少

For each of the following formulas, what is the number less than 500?

<gadget id="calculator">962 - 480</gadget>
<output>482</output>
<result>482</result>


一个数的(4/5)与200的25%的和是146，求这个数．

The sum of (4/5) of a number and 25% of 200 is 146. Find this number.

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">200 * (1/4)</gadget>
<output>50</output>
<gadget id="calculator">146 - 50</gadget>
<output>96</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">96 / (4/5)</gadget>
<output>120</output>
<result>120</result>


每个书架有3层，每层都装50本书，有4个这样的书架，一共装了多少本书？

Each bookshelf has 3 layers, and each layer holds 50 books. There are 4 such bookshelves. How many books are there in total?

<gadget id="calculator">50 * 3 * 4</gadget>
<output>600</output>
<result>600</result>


有6个小朋友参加联欢活动，每2个互相握手表示友好，共要握手多少次．

There are 6 children participating in a party, and every 2 shake hands with each other to express friendship, how many times should they shake hands in total?

<gadget id="calculator">6 - 1</gadget>
<output>5</output>
<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">5 * 3</gadget>
<output>15</output>
<result>15</result>


六1班和六2班订《少年科学》的人数比是4：3，六1班有20人订，两个班一共有多少人订．

The ratio of the number of people who subscribed to "Juvenile Science" in Class 1 and Class 2 is 4:3. There are 20 people in Class 1 and Class 2. How many people subscribed in the two classes?

<gadget id="calculator">20 / 4</gadget>
<output>5</output>
<gadget id="calculator">5 * 3</gadget>
<output>15</output>
<gadget id="calculator">20 + 15</gadget>
<output>35</output>
<result>35</result>


一项工程甲队独做要20天完成，乙队独做要30天完成，两队合做多少天能完成全工程？

It takes 20 days for team A to complete a project alone, and 30 days for team B to complete it alone. How many days can the two teams work together to complete the whole project?

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