一辆汽车以84千米/时的速度从甲地开往乙地，6小时到达．从乙地返回甲地时，因为下雨，比来的时候多用了2小时．求汽车返回时的平均速度是多少千米/时？

A car travels from A to B at a speed of 84 km/h and arrives in 6 hours. When returning from point B to point A, it took 2 hours longer than when we came because of the rain. What is the average speed of the car when returning in km/h?

<gadget id="calculator">6 + 2</gadget>
<output>8</output>
<gadget id="calculator">6 / 8</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">84 * (3/4)</gadget>
<output>63</output>
<result>63</result>


在24.14中，小数点前面的4比后面的4多多少．

In 24.14, how many more 4 are there before the decimal point than there are 4 after?

<gadget id="calculator">4 - 0.04</gadget>
<output>3.96</output>
<result>3.96</result>


小明的书包中，有3本语文练习本，5本数学练习本，3本英语练习本，从中任意拿出一本，拿出数学练习本的概率是多少．

In Xiao Ming's schoolbag, there are 3 Chinese exercise books, 5 math exercise books, and 3 English exercise books. If one is taken out randomly, what is the probability of taking out the math exercise book?

<gadget id="calculator">3 + 5 + 3</gadget>
<output>11</output>
<gadget id="calculator">5 / 11</gadget>
<output>5/11 = around 0.454545</output>
<result>5/11 = around 0.454545</result>


在一段长(6/5)千米的公路一侧，等距离地安装了13盏路灯(含公路两端的两盏)，相邻两盏路灯之间的距离是多少？

On one side of a long (6/5) kilometer road, 13 street lights (including two at both ends of the road) are installed equidistantly. What is the distance between two adjacent street lights?

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">13 - 1</gadget>
<output>12</output>
<gadget id="calculator">(6/5) / 12</gadget>
<output>1/10 = around 0.1</output>
<result>1/10 = around 0.1</result>


一批零件，甲独做12天完成，乙独做9天完成．甲、乙先合作3天，余下的由甲独做，还要几天完成？

A batch of parts can be completed in 12 days by A alone, and 9 days by B alone. A and B cooperate for 3 days first, and A will do the rest alone. How many days will it take to complete?

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>
<gadget id="calculator">(1/12) + (1/9)</gadget>
<output>7/36 = around 0.194444</output>
<gadget id="calculator">(7/36) * 3</gadget>
<output>7/12 = around 0.583333</output>
<gadget id="calculator">1 - (7/12)</gadget>
<output>5/12 = around 0.416667</output>
<gadget id="calculator">(5/12) / (1/12)</gadget>
<output>5</output>
<result>5</result>


乘数扩大10倍，被乘数也扩大10倍，则积扩大多少倍

The multiplier is enlarged by 10 times, and the multiplicand is also enlarged by 10 times, how many times the product is enlarged


把3个长5分米，底面积相等的圆柱拼成一个大圆柱，表面积减少了12.56平方分米，拼成的大圆柱的体积是多少？

Three cylinders with a length of 5 decimeters and equal base areas are put together to form a large cylinder, and the surface area is reduced by 12.56 decimeters squared. What is the volume of the large cylinder formed?

<gadget id="calculator">12.56 / 4</gadget>
<output>3.14</output>
<gadget id="calculator">5 * 3</gadget>
<output>15</output>
<gadget id="calculator">3.14 * 15</gadget>
<output>47.1</output>
<result>47.1</result>


一块平行四边形花坛的底是5.2米，高是3.6米，它的面积是多少．

A parallelogram flower bed has a base of 5.2 meters and a height of 3.6 meters, what is its area?

<gadget id="calculator">5.2 * 3.6</gadget>
<output>18.72</output>
<result>18.72</result>


小刚买了6支铅笔和6本练习本，一共用去15元．每本练习本的售价是1.5元，每支铅笔的售价是多少元？

Xiaogang bought 6 pencils and 6 exercise books, which cost 15 yuan in total. The price of each exercise book is 1.5 yuan, how much is the price of each pencil?

<gadget id="calculator">1.5 * 6</gadget>
<output>9</output>
<gadget id="calculator">15 - 9</gadget>
<output>6</output>
<gadget id="calculator">6 / 6</gadget>
<output>1</output>
<result>1</result>


要使450*□的积末尾有两个0，□里最小应填多少

To make the product of 450*□ have two 0s at the end, what is the minimum amount to be filled in □


用一根12分米长的铁丝围成一个最大的正方体形状的框架，这个正方体的体积是多少立方分米．

A 12 decimeter long iron wire is used to form a frame in the shape of the largest cube. What is the volume of the cube in cubic decimeters?

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


6,2)班有50名学生，今天两名学生请假，今天上课率是多少．

6,2) There are 50 students in class, two students ask for leave today, what is the class attendance rate today?

<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>


西湖小区有一个圆形花圃，外圆周长25.12米，内圆周长是18.84米，在圆里种花，在环内种青草，种青草的面积是多少平方米？

There is a circular flower garden in West Lake Community. The outer circumference is 25.12 meters long, and the inner circumference is 18.84 meters. Flowers are planted in the circle, and grasses are planted in the circle. How many square meters is the area where the grass is planted?

<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>
<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>
<gadget id="calculator">16 - 9</gadget>
<output>7</output>
<gadget id="calculator">3.14 * 7</gadget>
<output>21.98</output>
<result>21.98</result>


甲、乙两车从A、B两地同时出发，相向而行，相遇时距A、B两地的中点20千米处相遇，已知甲车的速度是乙车的(2/3)，A、B两地间的路程是多少千米？

Cars A and B start from places A and B at the same time and drive towards each other. When they meet, they meet at a distance of 20 kilometers from the midpoint of places A and B. It is known that the speed of car A is that of car B (2/3) , How many kilometers is the distance between A and B?

<gadget id="calculator">20 * 2</gadget>
<output>40</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">40 / (1/3)</gadget>
<output>120</output>
<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>
<gadget id="calculator">120 * (5/3)</gadget>
<output>200</output>
<result>200</result>


<gadget id="calculator">1_857 - 99</gadget>
<output>1_758</output>
<gadget id="calculator">1_758 + 98</gadget>
<output>1_856</output>
<result>1_856</result>


一个边长是4厘米的正方形和一个底为5厘米的三角形面积相等，这个三角形的高是多少．

A square with a side length of 4 cm and a triangle with a base of 5 cm have the same area. What is the height of the triangle?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">4 * 4 * (2/5)</gadget>
<output>32/5 = around 6.4</output>
<result>32/5 = around 6.4</result>


用50粒种子做发芽实验，有15粒没发芽．发芽率为多少．

In a germination experiment with 50 seeds, 15 did not germinate. What is the germination rate.

<gadget id="calculator">50 - 15</gadget>
<output>35</output>
<gadget id="calculator">35 / 50</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(7/10) * 1</gadget>
<output>7/10 = around 0.7</output>
<result>7/10 = around 0.7</result>


一项工程，甲单独完成要8天，乙单独完成需6天，甲先干一天，然后甲乙合作去完成，乙干了几天？

It takes 8 days for A to complete a project alone, and 6 days for B to complete it alone. A works for one day first, and then A and B cooperate to complete it. How many days does B work?

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/8) + (1/6)</gadget>
<output>7/24 = around 0.291667</output>
<gadget id="calculator">(7/8) / (7/24)</gadget>
<output>3</output>
<result>3</result>


一个圆锥的底面积是15平方分米，高是2.4分米，这个圆锥体积是多少立方分米．

A cone has a base area of 15 decimeters and a height of 2.4 decimeters, what is the volume of the cone in cubic decimeters?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/3) * 15 * 2.4</gadget>
<output>12</output>
<result>12</result>


一道数学题全班有50人做，10个做错，这道题的正确率是多少．

There are 50 people in the class doing a math problem, and 10 get it wrong. What is the correct rate of this problem?

<gadget id="calculator">50 - 10</gadget>
<output>40</output>
<gadget id="calculator">40 / 50</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(4/5) * 1</gadget>
<output>4/5 = around 0.8</output>
<result>4/5 = around 0.8</result>


含盐20%的盐水60克与含盐30%的盐水40克，混合后能配制成含盐百分之几的盐水．

60 grams of brine containing 20% salt and 40 grams of brine containing 30% salt can be mixed to make brine containing a few percent of salt.

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">60 * (1/5)</gadget>
<output>12</output>
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">40 * (3/10)</gadget>
<output>12</output>
<gadget id="calculator">12 + 12</gadget>
<output>24</output>
<gadget id="calculator">60 + 40</gadget>
<output>100</output>
<gadget id="calculator">24 / 100</gadget>
<output>6/25 = around 0.24</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(6/25) * 1</gadget>
<output>6/25 = around 0.24</output>
<result>6/25 = around 0.24</result>


<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(2/3) - (1/6) - (1/6)</gadget>
<output>1/3 = around 0.333333</output>
<result>1/3 = around 0.333333</result>


李响用尺量得一棵树的树干的周长是12.56分米，则这棵树的树干的横截面的半径是多少分米？

Li Xiang measured with a ruler that the circumference of the trunk of a tree is 12.56 decimeters, so how many decimeters is the radius of the cross section of the trunk of this tree?

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


修一条公路，第一队修了总长的(4/9)，第二队修了总长的(3/9)，两队共修了这条公路的几分之几？

To build a road, the first team repaired the total length (4/9), and the second team repaired the total length (3/9), what fraction of the road were built by the two teams?

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(4/9) + (1/3)</gadget>
<output>7/9 = around 0.777778</output>
<result>7/9 = around 0.777778</result>


一个三角形的两条边分别长5厘米和7厘米，另一条边不可能是多少厘米

If the two sides of a triangle are 5 cm and 7 cm long, what is the impossible length of the other side

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


小马虎在计算4.08除以一个小数时，由于将除数的小数位数多看了1位，计算结果变成了340，这道题正确的除数是多少？

When the little sloppy calculated 4.08 divided by a decimal, because he overestimated the number of decimal places in the divisor by one more digit, the calculation result became 340. What is the correct divisor for this question?

<gadget id="calculator">4.08 / 34</gadget>
<output>0.12</output>
<result>0.12</result>


某超市里有彩电370台，比空调少54台，空调有多少台？列式正确的是多少

There are 370 color TVs in a supermarket, 54 less than air conditioners, how many air conditioners are there? What is the correct column

<gadget id="calculator">370 + 54</gadget>
<output>424</output>
<result>424</result>


在一个直径为20厘米的圆内剪一个最大的正方形，正方形的面积占圆面积的几分之几？

Cut out the largest square in a circle with a diameter of 20 cm, what fraction of the area of the circle is the area of the square?

<gadget id="calculator">20 / 2</gadget>
<output>10</output>
<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">10 * 5 * 4</gadget>
<output>200</output>
<gadget id="calculator">10 ** 2</gadget>
<output>100</output>
<gadget id="calculator">3.14 * 100</gadget>
<output>314</output>
<gadget id="calculator">200 / 314</gadget>
<output>100/157 = around 0.636943</output>
<result>100/157 = around 0.636943</result>


一件工作，甲独做要10天完成，乙独做要12天完成，甲的工效比乙的工效高多少．

If A alone takes 10 days to complete a job, and B alone takes 12 days to complete it, how much more efficient is A than B?

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">(1/10) - (1/12)</gadget>
<output>1/60 = around 0.016667</output>
<gadget id="calculator">(1/60) / (1/12)</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


从8时到12时，李师傅共加工480个零件，平均每小时加工多少个零件．

From 8:00 to 12:00, Master Li processed 480 parts in total, how many parts per hour on average.

<gadget id="calculator">480 / 4</gadget>
<output>120</output>
<result>120</result>


甲数是3.6，比乙数小1.2，两数和是多少

The number A is 3.6, which is 1.2 smaller than the number B, what is the sum of the two numbers

<gadget id="calculator">3.6 + 1.2 + 3.6</gadget>
<output>8.4</output>
<result>8.4</result>


世博园区开放时间是上午9：00到晚上12：00，每天开放共多少小时．

The opening hours of the Expo site are from 9:00 am to 12:00 pm. How many hours are they open every day?


龙岩天马山今年植树节共植树300棵，成活了222棵，这次植树的成活率是多少．

A total of 300 trees were planted in Longyan Tianma Mountain this year, and 222 survived. What is the survival rate of this tree planting?

<gadget id="calculator">222 / 300</gadget>
<output>37/50 = around 0.74</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(37/50) * 1</gadget>
<output>37/50 = around 0.74</output>
<result>37/50 = around 0.74</result>


一根圆柱形木材长10米，截成两根圆柱形的小木材，表面积增加了0.4平方米．原来这根木材的体积是多少立方米？

If a cylindrical piece of wood is 10 meters long and cut into two small pieces of cylindrical wood, the surface area increases by 0.4 square meters. What is the volume of this piece of wood in cubic meters?

<gadget id="calculator">0.4 / 2</gadget>
<output>0.2</output>
<gadget id="calculator">0.2 * 10</gadget>
<output>2</output>
<result>2</result>


一件上衣，原价100元，现在降到80元，降价百分之几？正确列式是多少

The original price of a coat is 100 yuan, but now it is reduced to 80 yuan. How much is the price reduction? What is the correct column

<gadget id="calculator">100 - 80</gadget>
<output>20</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


妈妈先买了2元5角的李子，又买了4元3角的苹果，一共花了多少钱？

Mom first bought plums at 2 yuan and 50 cents, and then apples at 4 yuan and 30 cents. How much did she spend in total?

<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">2 + (1/2)</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">4 + (3/10)</gadget>
<output>43/10 = around 4.3</output>
<gadget id="calculator">(5/2) + (43/10)</gadget>
<output>34/5 = around 6.8</output>
<result>34/5 = around 6.8</result>


一辆汽车从甲地出发到乙地，3小时行驶了240km，按这样的速度，这辆汽车又行驶了5小时后到达乙地，甲、乙两地相距多少千米？(用比例解决)

A car starts from A to B and travels 240 km in 3 hours. At this speed, the car travels for another 5 hours to reach B. How many kilometers are there between A and B? (Solve with ratio)

<gadget id="calculator">5 * 240</gadget>
<output>1_200</output>
<gadget id="calculator">3 * 240</gadget>
<output>720</output>
<gadget id="calculator">1_200 + 720</gadget>
<output>1_920</output>
<gadget id="calculator">1_920 / 3</gadget>
<output>640</output>
<result>640</result>


果园丰收了，三次一共运走了848吨葡萄，第一次运走了246吨，第二次运走了424吨，第三次运走了多少吨呢？

The orchard had a bumper harvest. A total of 848 tons of grapes were transported three times, 246 tons were transported the first time, 424 tons were transported the second time, and how many tons were transported the third time?

<gadget id="calculator">848 - 246 - 424</gadget>
<output>178</output>
<result>178</result>


一个油桶里有一些油，连桶重24千克，如果把油加到原来的3倍，这时连桶重66千克．原来桶里的油有多少千克．

There is some oil in an oil barrel, and the weight of the barrel is 24 kg. If the oil is tripled, the weight of the barrel is 66 kg. How many kilograms of oil are in the barrel?

<gadget id="calculator">66 - 24</gadget>
<output>42</output>
<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">42 / 2</gadget>
<output>21</output>
<result>21</result>


粮店运来大米865千克，上午卖出278千克，下午卖出388千克，还剩下多少千克？

The grain store shipped 865 kilograms of rice, sold 278 kilograms in the morning and 388 kilograms in the afternoon, how many kilograms are left?

<gadget id="calculator">865 - 278 - 388</gadget>
<output>199</output>
<result>199</result>


一次乒乓球比赛有8个队参加，每两个队要比赛一次，它们一共要举行多少比赛．

There are 8 teams participating in a table tennis match, and every two teams have to compete once. How many games will they hold in total?

<gadget id="calculator">8 - 1</gadget>
<output>7</output>
<gadget id="calculator">7 / 2</gadget>
<output>7/2 = around 3.5</output>
<gadget id="calculator">8 * (7/2)</gadget>
<output>28</output>
<result>28</result>


甲、乙两车分别从A、B两地同时相向而行，速度比是5：3，甲车行驶了全程的(3/7)后又行了66千米，正好与乙车相遇，A、B两地相距多少千米？

Cars A and B are traveling towards each other at the same time from places A and B respectively. The speed ratio is 5:3. Car A has driven 3/7 of the whole journey and then traveled 66 kilometers. It happens to meet car B. , How many kilometers is the distance between the two places?

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">(5/8) - (3/7)</gadget>
<output>11/56 = around 0.196429</output>
<gadget id="calculator">66 / (11/56)</gadget>
<output>336</output>
<result>336</result>


数学期中考试，小英考了95分，小兰考了92分，小东考了86分，小明与小英考了相同的分数，他们的平均分是多少分．

In the math midterm exam, Xiaoying scored 95, Xiaolan scored 92, Xiaodong scored 86, Xiaoming and Xiaoying got the same score, what is their average score?

<gadget id="calculator">95 + 95 + 92 + 86</gadget>
<output>368</output>
<gadget id="calculator">368 / 4</gadget>
<output>92</output>
<result>92</result>


把一张长20厘米，宽15厘米长方形纸片分成大小相同的小正方形，每个正方形边长最大是多少厘米？

Divide a rectangular piece of paper 20 cm long and 15 cm wide into small squares of the same size, what is the maximum side length of each square in cm?


某超市苹果4kg12.8元，梨5kg17.5元，哪种水果便宜？便宜多少？

In a supermarket, 4kg of apples is 12.8 yuan, and 5kg of pears is 17.5 yuan. Which fruit is the cheapest? How much cheaper?

<gadget id="calculator">17.5 / 5</gadget>
<output>3.5</output>
<gadget id="calculator">12.8 / 4</gadget>
<output>3.2</output>
<gadget id="calculator">3.5 - 3.2</gadget>
<output>0.3</output>
<result>0.3</result>


一个县前年绿色蔬菜总产量720万千克，比去年少了10%．去年全县绿色蔬菜总产量是多少万千克？

The total output of green vegetables in a county in the previous year was 7.2 million kilograms, 10% less than last year. What was the total output of green vegetables in the county last year, how many million kilograms?

<gadget id="calculator">10 / 100</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">720 / (9/10)</gadget>
<output>800</output>
<result>800</result>


有一楼梯共有10级，规定每次只能向上走1级或者2级，要登上第10级阶梯，共有多少种种不同的走法．

There are 10 steps in a staircase, and it is stipulated that you can only go up one or two steps at a time. To climb the tenth step, how many different ways are there?


对于非零自然数a，b，c，规定符号▷的含义：▷(a，b，c)=((a+b-c)/(a*b/c))，那么((▷(3，5，7))/(▷(4，6，8)))=多少．

For non-zero natural numbers a, b, c, specify the meaning of the symbol ▷: ▷(a, b, c)=((a+bc)/(a*b/c)), then ((▷(3, 5, 7))/(▷(4,6,8)))=How much.

<gadget id="calculator">5 - 7</gadget>
<output>-2</output>
<gadget id="calculator">3 + (-2)</gadget>
<output>1</output>
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">3 * (5/7)</gadget>
<output>15/7 = around 2.142857</output>
<gadget id="calculator">1 / (15/7)</gadget>
<output>7/15 = around 0.466667</output>
<gadget id="calculator">6 - 8</gadget>
<output>-2</output>
<gadget id="calculator">4 + (-2)</gadget>
<output>2</output>
<gadget id="calculator">6 / 8</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">4 * (3/4)</gadget>
<output>3</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(7/15) / (2/3)</gadget>
<output>7/10 = around 0.7</output>
<result>7/10 = around 0.7</result>


一个圆柱和一个圆锥，底面直径都是2厘米，高都是12厘米，它们的体积一共是多少立方厘米？

A cylinder and a cone have a base diameter of 2 cm and a height of 12 cm. What is their total volume in cubic centimeters?

<gadget id="calculator">2 / 2</gadget>
<output>1</output>
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">3.14 * 1 * 12</gadget>
<output>37.68</output>
<gadget id="calculator">37.68 / 3</gadget>
<output>12.56</output>
<gadget id="calculator">37.68 + 12.56</gadget>
<output>50.24</output>
<result>50.24</result>


一辆载重汽车自重2吨，最多能装8吨货物．现在已经装上5吨货物，还能装几吨？

truck weighs 2 tons and can hold up to 8 tons of goods. Now that 5 tons of goods have been loaded, how many tons can be loaded?

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


某班要选一名代表，以票数最多者当选，提出了甲，乙，丙三个候选人．投票中途累计甲得14票，乙得11票，丙得10票，有人估计甲再得4票，就可保证当选，这个班至多多少人．

A certain class wants to elect a representative, and the one with the most votes is elected, and three candidates A, B, and C are proposed. In the middle of voting, A gets 14 votes, B gets 11 votes, and C gets 10 votes. Some people estimate that A gets 4 more votes to guarantee his election. What is the maximum number of people in this class?

<gadget id="calculator">14 + 4</gadget>
<output>18</output>
<gadget id="calculator">11 + 6</gadget>
<output>17</output>
<gadget id="calculator">18 + 17 + 10</gadget>
<output>45</output>
<result>45</result>


有若干克浓度为30%的盐水，加入一定数量的水后稀释为浓度24%的盐水．如果再加入相同数量的水，盐水的浓度将变为多少．

There are several grams of salt water with a concentration of 30%, and after adding a certain amount of water, it is diluted to a salt water with a concentration of 24%. If the same amount of water is added, what will be the concentration of the salt water?

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">100 * (3/10)</gadget>
<output>30</output>
<gadget id="calculator">24 / 100</gadget>
<output>6/25 = around 0.24</output>
<gadget id="calculator">100 * (6/25)</gadget>
<output>24</output>
<gadget id="calculator">30 - 24</gadget>
<output>6</output>
<gadget id="calculator">6 / (6/25)</gadget>
<output>25</output>
<gadget id="calculator">100 + 25 + 25</gadget>
<output>150</output>
<gadget id="calculator">(3/10) / 150</gadget>
<output>1/500 = around 0.002</output>
<gadget id="calculator">100 * (1/500)</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>


一块长方形菜地，长12米，宽4米，平均每平方米收油菜7千克．这块地一共收油菜多少千克？

A rectangular vegetable field is 12 meters long and 4 meters wide, with an average of 7 kilograms of rapeseed per square meter. How many kilograms of rape is harvested in this land?

<gadget id="calculator">12 * 4 * 7</gadget>
<output>336</output>
<result>336</result>


张阿姨把5000元存入银行，定期3年，年利率是4.41%，到期时张阿姨可获得本金和利息一共多少元．(不算利息税)

Aunt Zhang deposits 5,000 yuan in the bank for 3 years, with an annual interest rate of 4.41%. Aunt Zhang will get the total amount of principal and interest when it matures. (excluding interest tax)

<gadget id="calculator">4.41 / 100</gadget>
<output>0.0441</output>
<gadget id="calculator">5_000 * 0.0441 * 3</gadget>
<output>661.5</output>
<gadget id="calculator">5_000 + 661.5</gadget>
<output>5_661.5</output>
<result>5_661.5</result>


小华的爸爸今年存款1000元，定期三年，年利率是3.69%，到期时可取回本金和税后利息一共多少元．

Xiaohua's father deposits 1,000 yuan this year, fixed for three years, with an annual interest rate of 3.69%, and the total amount of the principal and after-tax interest can be withdrawn when it matures.

<gadget id="calculator">3.69 / 100</gadget>
<output>0.0369</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">1_000 * 0.0369 * 3 * (4/5)</gadget>
<output>88.56</output>
<gadget id="calculator">1_000 + 88.56</gadget>
<output>1_088.56</output>
<result>1_088.56</result>


一袋面粉重50千克，一辆卡车可以装142袋，一辆卡车可以装多少千克面粉．

bag of flour weighs 50 kilograms, a truck can hold 142 bags, how many kilograms of flour can a truck hold.

<gadget id="calculator">50 * 142</gadget>
<output>7_100</output>
<result>7_100</result>


新苗小学今年有计算机120台，比去年增加了60台，今年的计算机台数比去年增加了百分之几？

There are 120 computers in Xinmiao Primary School this year, an increase of 60 compared to last year. By what percentage is the increase in the number of computers this year compared to last year?

<gadget id="calculator">120 - 60</gadget>
<output>60</output>
<gadget id="calculator">60 / 60</gadget>
<output>1</output>
<result>1</result>


台钟的时针长6厘米，从7时到11时，时针扫过的面积是多少．

The hour hand of the table clock is 6 cm long. From 7 o'clock to 11 o'clock, what is the area swept by the hour hand?

<gadget id="calculator">6 ** 2</gadget>
<output>36</output>
<gadget id="calculator">120 / 360</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">3.14 * 36 * (1/3)</gadget>
<output>37.68</output>
<result>37.68</result>


小王和小李是骑友，一次两人同时出发从A地到B地，当小王骑了全程的(4/5)时，小李骑了全程的(2/3)，这时两人相距3.6千米，如果按这个速度骑下去，当小王到达终点时，小李距终点有多远？

Xiao Wang and Xiao Li are riding friends. Once they set off from point A to point B at the same time. When Xiao Wang rode the whole distance (4/5), Xiao Li rode the whole distance (2/3). The distance between people is 3.6 kilometers. If you ride at this speed, when Xiao Wang reaches the end point, how far is Xiao Li from the end point?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(4/5) - (2/3)</gadget>
<output>2/15 = around 0.133333</output>
<gadget id="calculator">3.6 / (2/15)</gadget>
<output>27</output>
<gadget id="calculator">(4/5) / (2/3)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">1 / (6/5)</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">27 * (1/6)</gadget>
<output>9/2 = around 4.5</output>
<result>9/2 = around 4.5</result>


点a为数轴上表示-3的点，从点a沿数轴向右移动4个单位长度到b时，点b所表示的数为多少

Point a is a point representing -3 on the number axis. When moving from point a to the right along the number axis by 4 unit lengths to b, what is the number represented by point b?

<gadget id="calculator">(-3) + 4</gadget>
<output>1</output>
<result>1</result>


一个长方形的周长是12厘米，和它周长相等的正方形的面积是多少平方厘米

If the perimeter of a rectangle is 12 cm, what is the area of a square with the same perimeter?

<gadget id="calculator">12 / 4</gadget>
<output>3</output>
<gadget id="calculator">3 * 3</gadget>
<output>9</output>
<result>9</result>


小红家到学校共有5条路可走，从学校到少年宫共有3条路可走．小红从家出发，经过学校然后到少年宫，共有多少种不同的走法．

There are 5 paths from Xiaohong's house to the school, and 3 paths from the school to the Children's Palace. How many different ways does Xiaohong walk from home, through school and then to the Children's Palace?

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


一辆小汽车，每升汽油可以行驶12.5千米，车中还有5升汽油，如果要行驶240千米，至少还要再加汽油多少升？

car can travel 12.5 kilometers per liter of gasoline, and there are still 5 liters of gasoline in the car. If it needs to travel 240 kilometers, how many liters of gasoline should be added at least?

<gadget id="calculator">240 / 12.5</gadget>
<output>19.2</output>
<gadget id="calculator">19.2 - 5</gadget>
<output>14.2</output>
<result>14.2</result>


如果买5千克鸡蛋用40元，那么1千克鸡蛋多少元．

If it costs 40 yuan to buy 5 kilograms of eggs, how much is 1 kilogram of eggs?

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


某市为四川灾区新建一所希望小学，投资600万元，比计划节约了25%．原计划投资多少万元？

A city built a hope primary school for the disaster-stricken area in Sichuan, investing 6 million yuan, saving 25% compared to the plan. How much is the original plan to invest?

<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">600 / (3/4)</gadget>
<output>800</output>
<result>800</result>


一个半径为8厘米的圆，沿着圆周平均分成124份，再拼成一个长为15.7厘米的近似长方形，这个长方形的宽是多少厘米？

A circle with a radius of 8 cm is equally divided into 124 parts along the circumference, and then assembled into an approximate rectangle with a length of 15.7 cm. What is the width of this rectangle in cm?

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


粮店运来面粉165袋，比大米袋数的(1/3)还多15袋，粮店运来大米多少袋？

The grain store shipped 165 bags of flour, 15 bags more than the number of rice bags (1/3). How many bags of rice did the grain store ship?

<gadget id="calculator">165 - 15</gadget>
<output>150</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">150 / (1/3)</gadget>
<output>450</output>
<result>450</result>


正方形的边长是8分米，它的面积是多少．

If the side length of a square is 8 decimeters, what is its area?

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


在一个圆柱中加工出一个最大的圆锥，削掉的部分是24立方厘米，这个圆柱的体积是多少立方厘米

The largest cone is processed in a cylinder, and the cut off part is 24 cubic centimeters. What is the volume of this cylinder in cubic centimeters?

<gadget id="calculator">3 / 1</gadget>
<output>3</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">24 / (2/3)</gadget>
<output>36</output>
<result>36</result>


沿着一个长30米，宽25米的操场跑3圈，一共要跑多少米．

Run 3 laps along a playground that is 30 meters long and 25 meters wide, how many meters will you run in total?

<gadget id="calculator">30 + 25</gadget>
<output>55</output>
<gadget id="calculator">55 * 2 * 3</gadget>
<output>330</output>
<result>330</result>


小明每天晨跑4圈，每圈400米，他一个星期共跑多少米．

Xiao Ming runs 4 laps in the morning every day, 400 meters per lap, how many meters does he run in a week?

<gadget id="calculator">400 * 4 * 7</gadget>
<output>11_200</output>
<result>11_200</result>


△△□☆★△△□☆★△△□☆★从左边起第30个是什么图形？当△有8个时，其他图形至少一共有多少个？

△△□☆★△△□☆★△△□☆★What is the 30th figure from the left? When there are 8 △, how many other figures are there in total?

<gadget id="calculator">30 / 5</gadget>
<output>6</output>
<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">3 * 3</gadget>
<output>9</output>
<result>9</result>


李老师到银行存款8000元，存期3年，年利率4.25%，到期后一共可以取回多少元．

Mr. Li deposits 8,000 yuan in the bank, with a deposit period of 3 years and an annual interest rate of 4.25%. How much can he get back after the maturity date?

<gadget id="calculator">4.25 / 100</gadget>
<output>0.0425</output>
<gadget id="calculator">8_000 * 0.0425 * 3</gadget>
<output>1_020</output>
<gadget id="calculator">8_000 + 1_020</gadget>
<output>9_020</output>
<result>9_020</result>


少先队员为饲养场割草，第一组7人，平均每人割13千克，第二组5人，平均每人割25千克，平均每人割草多少千克？

The young pioneers cut grass for the farm. The first group of 7 people cut 13 kilograms on average, and the second group of 5 people cut 25 kilograms on average. How many kilograms of grass was mowed by each person on average?

<gadget id="calculator">13 * 7</gadget>
<output>91</output>
<gadget id="calculator">5 * 25</gadget>
<output>125</output>
<gadget id="calculator">91 + 125</gadget>
<output>216</output>
<gadget id="calculator">7 + 5</gadget>
<output>12</output>
<gadget id="calculator">216 / 12</gadget>
<output>18</output>
<result>18</result>


小英和小丽集邮，小英集了172张，比小丽的(5/8)多7张，小丽集了多少张？(用方程解答)

Xiaoying and Xiaoli collected stamps. Xiaoying collected 172 stamps, 7 more than Xiaoli's (5/8). How many stamps did Xiaoli collect? (solution with equation)

<gadget id="calculator">172 - 7</gadget>
<output>165</output>
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">165 / (5/8)</gadget>
<output>264</output>
<result>264</result>


一个平行四边形比与它等底等高的三角形的面积大35cm**2，则平行四边形的面积是多少．

If a parallelogram is 35cm**2 larger than the area of a triangle with the same base and height, what is the area of the parallelogram?

<gadget id="calculator">35 * 2</gadget>
<output>70</output>
<result>70</result>


学校足球队18人合影留念，照六英寸照片．洗3张价格是4.5元，另外加洗，每张0.3元．如果每人各得一张，那么平均每人需多少元．

The 18 members of the school football team took a group photo and took a six-inch photo. The price of washing 3 sheets is 4.5 yuan, and additional washing is 0.3 yuan each. If each person gets one, how much is the average cost per person?

<gadget id="calculator">18 - 3</gadget>
<output>15</output>
<gadget id="calculator">0.3 * 15</gadget>
<output>4.5</output>
<gadget id="calculator">4.5 + 4.5</gadget>
<output>9</output>
<gadget id="calculator">9 / 18</gadget>
<output>1/2 = around 0.5</output>
<result>1/2 = around 0.5</result>


学校音乐教室有55个座位，而礼堂的座位是音乐教室的12倍多40个．学校礼堂一共有多少个座位？

The school music classroom has 55 seats, while the auditorium has 12 times more seats than the music classroom and 40 seats. How many seats are there in the school auditorium?

<gadget id="calculator">55 * 12</gadget>
<output>660</output>
<gadget id="calculator">660 + 40</gadget>
<output>700</output>
<result>700</result>


一杯牛奶喝了它的(2/7)，还剩下它的多少．

glass of milk drank its (2/7), how much of it is left.

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">1 - (2/7)</gadget>
<output>5/7 = around 0.714286</output>
<result>5/7 = around 0.714286</result>


小牛的爸爸把一根长15分米的钢管锯成若干段．他一共锯了14次，平均每段钢管长多少分米？

The calf's father sawed a steel pipe 15 decimeters long into several sections. He saw a total of 14 times, how many decimeters is the average length of each steel pipe?

<gadget id="calculator">14 + 1</gadget>
<output>15</output>
<gadget id="calculator">15 / 15</gadget>
<output>1</output>
<result>1</result>


有长度为4厘米、5厘米、6厘米和10厘米的小棒各一根，要从中选三根小棒围成三角形，有几种围法？

There are 4 cm, 5 cm, 6 cm and 10 cm sticks each, and three sticks should be selected to form a triangle. How many ways are there?


三年级共有2个班，每班有35名学生．学校要给三年级每名学生发6本作业本，一共要发多少本？

There are 2 classes in the third grade, each class has 35 students. The school needs to distribute 6 homework books to each student in the third grade. How many homework books should be distributed in total?

<gadget id="calculator">35 * 2 * 6</gadget>
<output>420</output>
<result>420</result>


在一个周长为81米的圆形花坛四周摆月季花，每相邻两盆花之间的距离是1.5米，一共需要摆多少盆花．

Put Chinese rose flowers around a circular flower bed with a circumference of 81 meters. The distance between every two adjacent potted flowers is 1.5 meters. How many potted flowers do you need in total?

<gadget id="calculator">81 / 1.5</gadget>
<output>54</output>
<result>54</result>


把一个圆柱加工成最大的圆锥，如果削去的体积是48立方厘米，那么圆柱的体积是多少．

If a cylinder is machined into the largest cone, if the volume removed is 48 cubic centimeters, what is the volume of the cylinder?

<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">48 / (2/3)</gadget>
<output>72</output>
<result>72</result>


圆柱的体积是72立方厘米，底面积是36平方厘米．这个圆柱的高是多少厘米．

The volume of the cylinder is 72 cubic centimeters and the area of the base is 36 square centimeters. What is the height of this cylinder in centimeters.

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


2□*4的积是一个两位数，□里最大可以填多少

The product of 2□*4 is a two-digit number, what is the maximum number that can be filled in □


红山小学的同学们做早操，男、女各站12行，每行男生25人，每行女生27人，全校共有多少学生？(用两种方法解答)

The students of Hongshan Primary School do morning exercises. There are 12 male and female students in each row. There are 25 boys in each row and 27 girls in each row. How many students are there in the whole school? (answer in two ways)

<gadget id="calculator">25 * 12</gadget>
<output>300</output>
<gadget id="calculator">27 * 12</gadget>
<output>324</output>
<gadget id="calculator">300 + 324</gadget>
<output>624</output>
<result>624</result>


有20个抽屉，保证苹果最多的抽屉里至少有26个苹果，则总苹果数最少有多少个．

There are 20 drawers, and there are at least 26 apples in the drawer with the most apples. What is the minimum number of apples in total?

<gadget id="calculator">26 - 1</gadget>
<output>25</output>
<gadget id="calculator">25 * 20</gadget>
<output>500</output>
<gadget id="calculator">500 + 1</gadget>
<output>501</output>
<result>501</result>


如果a=4b，并且a+b=50，那么a的值是多少．

If a=4b, and a+b=50, what is the value of a.

<gadget id="calculator">4 * 10</gadget>
<output>40</output>
<result>40</result>


速算与巧算：38*32．

Quick calculation and clever calculation: 38*32.

<gadget id="calculator">38 * 32</gadget>
<output>1_216</output>
<result>1_216</result>


在下午时分，小强在泥地上量度得某大厦的影子的长度是10米．小强实时把一根长35厘米的木棍的七份之一插入泥中，使木棍垂直竖立在大厦前面的地上，小强量度得木棍的影子的长度是5厘米．小强利用这些数据准确计算得大厦的高度是d米，求d的值．

In the afternoon, Xiaoqiang measured the length of the shadow of a certain building on the mud floor to be 10 meters. Xiaoqiang immediately inserted one-seventh of a 35-centimeter stick into the mud, so that the stick stood vertically on the ground in front of the building. Xiaoqiang measured that the length of the stick's shadow was 5 centimeters. Xiaoqiang uses these data to accurately calculate the height of the building to be d meters, and find the value of d.

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>
<gadget id="calculator">(7/20) * (1/7) * 1_200</gadget>
<output>60</output>
<result>60</result>


一个长方体的仓库，长50米，宽30米，高5米，最多可以容纳10立方米的长方体货箱多少个．

A cuboid warehouse, 50 meters long, 30 meters wide, and 5 meters high, can accommodate at most 10 cubic meters of cuboid boxes.

<gadget id="calculator">50 * 30 * 5</gadget>
<output>7_500</output>
<gadget id="calculator">7_500 / 10</gadget>
<output>750</output>
<result>750</result>


一块正方形菜地边长20米，它的一半种了黄瓜，其余种西红柿．西红柿占地多少平方米？

A square vegetable field is 20 meters long, half of which is planted with cucumbers, and the rest is planted with tomatoes. How many square meters does the tomato occupy?

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


一个盐池从100克海水里晒出2.1克盐，照这样计算，一次放入海水30万吨，共可晒出盐多少万吨？

A salt pond produces 2.1 grams of salt from 100 grams of seawater. According to this calculation, if 300,000 tons of seawater is put in at a time, how many tons of salt can be produced in total?

<gadget id="calculator">2.1 / 100</gadget>
<output>0.021</output>
<gadget id="calculator">0.021 * 30</gadget>
<output>0.63</output>
<result>0.63</result>


一个果园里去年产了4500千克的苹果，今年因为气候好，比去年增产了2成，今年产了多少千克苹果？

An orchard produced 4,500 kilograms of apples last year. This year, due to the good weather, the production has increased by 20% compared to last year. How many kilograms of apples were produced 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>


一匹布做校服，单独做上装可以做40件，单做裤子可以做60条，这匹布可做校服多少套？

A piece of cloth can be used to make school uniforms, 40 jackets can be made alone, and 60 pairs of trousers can be made alone. How many sets of school uniforms can this piece of cloth be made into?

<gadget id="calculator">1 / 40</gadget>
<output>1/40 = around 0.025</output>
<gadget id="calculator">1 / 60</gadget>
<output>1/60 = around 0.016667</output>
<gadget id="calculator">(1/40) + (1/60)</gadget>
<output>1/24 = around 0.041667</output>
<gadget id="calculator">1 / (1/24)</gadget>
<output>24</output>
<result>24</result>


全校840名同学有35名同学参加了奥林匹克数学竞赛，没有参加人数是参加人数的几倍？

Of the 840 students in the school, 35 students participated in the Mathematical Olympiad. How many times are the number of students who did not participate?

<gadget id="calculator">840 - 35</gadget>
<output>805</output>
<gadget id="calculator">805 / 35</gadget>
<output>23</output>
<result>23</result>


一条30米长的直道一边，每隔2米放了一盆花，一共可以放多少盆花．

On one side of a 30-meter-long straight road, potted flowers are placed every 2 meters, how many potted flowers can be placed in total.

<gadget id="calculator">30 / 2</gadget>
<output>15</output>
<gadget id="calculator">15 + 1</gadget>
<output>16</output>
<result>16</result>


爸爸今年40岁，儿子的年龄比爸爸年龄的(1/4)多4岁，儿子今年多少岁？

The father is 40 years old this year, and the son is 4 years older than the father's age (1/4). How old is the son?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">40 * (1/4)</gadget>
<output>10</output>
<gadget id="calculator">10 + 4</gadget>
<output>14</output>
<result>14</result>


<gadget id="calculator">2_006 - 2_005 - 2_004</gadget>
<output>-2_003</output>
<gadget id="calculator">2_002 - 2_001</gadget>
<output>1</output>
<gadget id="calculator">1_998 - 1_997 - 8</gadget>
<output>-7</output>
<gadget id="calculator">6 - 5 - 4</gadget>
<output>-3</output>
<gadget id="calculator">2 - 1</gadget>
<output>1</output>
<gadget id="calculator">(-2_003) + 2_003 + 1 + 1_999 + (-7) + 7 + (-3) + 3 + 1</gadget>
<output>2_001</output>
<result>2_001</result>


20乘9除720的商，积是多少？

What is the product of 20 times 9 divided by 720?

<gadget id="calculator">720 / 9</gadget>
<output>80</output>
<gadget id="calculator">20 * 80</gadget>
<output>1_600</output>
<result>1_600</result>


24和36的最小公倍数是多少

What is the least common multiple of 24 and 36

<gadget id="calculator">2 * 2 * 3 * 2 * 3</gadget>
<output>72</output>
<result>72</result>


张名乘车去图书馆，上车时他数了一下车上的人好似48人，到少年宫时上来12人，下去16人，这时车上有多少人？

Zhang Ming went to the library by car. When he got on the car, he counted 48 people. When he arrived at the Children's Palace, 12 people came up and 16 people went down. How many people were on the car at this time?

<gadget id="calculator">12 - 16</gadget>
<output>-4</output>
<gadget id="calculator">48 + (-4)</gadget>
<output>44</output>
<result>44</result>


Find the law and fill in the numbers: how much is 2, 5, 11, 23, 47.

<gadget id="calculator">24 * 2</gadget>
<output>48</output>
<gadget id="calculator">47 + 48</gadget>
<output>95</output>
<result>95</result>


(1/2)的倒数是5的多少．

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(1/2) * 2</gadget>
<output>1</output>
<gadget id="calculator">2 / 1</gadget>
<output>2</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<result>2/5 = around 0.4</result>


一个工人做了150个零件，不合格的有15个，合格率是多少

A worker makes 150 parts, and 15 are unqualified. What is the pass rate?

<gadget id="calculator">150 - 15</gadget>
<output>135</output>
<gadget id="calculator">135 / 150</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(9/10) * 1</gadget>
<output>9/10 = around 0.9</output>
<result>9/10 = around 0.9</result>


公司员工准备包租一辆大客车去郊游，租车费用由大家平摊．因为公司有事，有6名员工要加班不能去了，这样一来，去的人每人要多出5元．临出发时，又来了一人搭车，这样一来，每人比原计划多出了4元．问：租车费是多少元？

The employees of the company plan to charter a bus to go on an outing, and the rental fee will be shared equally by everyone. Because the company has something to do, 6 employees have to work overtime and cannot go. In this way, each person who goes to go will have to pay 5 yuan more. Just before departure, another person came to take a ride. In this way, each person paid 4 yuan more than the original plan. Q: How much is the car rental fee?

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">6 * (5/6)</gadget>
<output>5</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">5 * (4/5)</gadget>
<output>4</output>
<gadget id="calculator">5 - 4</gadget>
<output>1</output>
<gadget id="calculator">(5/6) - (4/5)</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">1 / (1/30)</gadget>
<output>30</output>
<gadget id="calculator">30 - 6</gadget>
<output>24</output>
<gadget id="calculator">24 * (5/6) * 30</gadget>
<output>600</output>
<result>600</result>


甲、乙两辆汽车同时从两个城市相对开出，甲车每小时行60千米，乙车每小时行65千米，1.6小时后，两车行了总距离的(4/5)，两城相距多少千米？

Two cars, A and B, drive from two cities at the same time. Car A travels 60 kilometers per hour, and car B travels 65 kilometers per hour. After 1.6 hours, the two cars have traveled (4/5) of the total distance. How many kilometers are the two cities apart?

<gadget id="calculator">60 + 65</gadget>
<output>125</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1.6 / (4/5)</gadget>
<output>2</output>
<gadget id="calculator">125 * 2</gadget>
<output>250</output>
<result>250</result>


梯形的上底和下底的和是5厘米，已知它的面积是20平方厘米，高是多少厘米？

The sum of the upper and lower bases of the trapezoid is 5 cm. It is known that its area is 20 cm2. What is the height in cm?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">20 * (2/5)</gadget>
<output>8</output>
<result>8</result>


一个圆柱的高是8厘米，如果高缩短2厘米，它的表面积就减少12.56平方厘米，这个圆柱的体积是多少．

The height of a cylinder is 8 centimeters. If the height is shortened by 2 centimeters, its surface area will be reduced by 12.56 square centimeters. What is the volume of the cylinder?

<gadget id="calculator">12.56 / 2 / 3.14 / 2</gadget>
<output>1</output>
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">3.14 * 1 * 8</gadget>
<output>25.12</output>
<result>25.12</result>


小胖原来带来的钱正好可以买12支铅笔，每支铅笔1.30元．后来他把这些钱买了7本单价是1.50元的笔记本，还剩多少元？

The money Xiaopang originally brought was just enough to buy 12 pencils, each pencil costing 1.30 yuan. Later, he bought 7 notebooks with a unit price of 1.50 yuan with the money. How much money is left?

<gadget id="calculator">12 * 1.3</gadget>
<output>15.6</output>
<gadget id="calculator">7 * 1.5</gadget>
<output>10.5</output>
<gadget id="calculator">15.6 - 10.5</gadget>
<output>5.1</output>
<result>5.1</result>


一根绳子长92米，第一次用去34米，第二次用去26米，现在绳子的长度比原来缩短了多少米？正确的算式是多少

A rope is 92 meters long, 34 meters are used for the first time, and 26 meters are used for the second time. How much is the length of the rope shortened now? what is the correct formula

<gadget id="calculator">34 + 26</gadget>
<output>60</output>
<result>60</result>


21和14的最大公约数是多少

What is the greatest common divisor of 21 and 14


251至少减去多少才同时有因数2，3，5．

251 must be subtracted at least to have factors 2, 3, and 5 at the same time.


小华看一本360页的科技书，前4天看了它的(2/9)．照这样计算，再看几天才能看完这本科技书？

Xiaohua reads a 360-page technical book, and read its (2/9) 4 days ago. According to this calculation, how many days will it take to finish this technical book?

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>
<gadget id="calculator">1 - (2/9)</gadget>
<output>7/9 = around 0.777778</output>
<gadget id="calculator">(2/9) / 4</gadget>
<output>1/18 = around 0.055556</output>
<gadget id="calculator">360 * (1/18)</gadget>
<output>20</output>
<gadget id="calculator">(7/9) / 20</gadget>
<output>7/180 = around 0.038889</output>
<gadget id="calculator">360 * (7/180)</gadget>
<output>14</output>
<result>14</result>


Simple calculation: 62*(1/63). (Hint: you can think of 62 as (63-1)).

<gadget id="calculator">1 / 63</gadget>
<output>1/63 = around 0.015873</output>
<gadget id="calculator">62 * (1/63)</gadget>
<output>62/63 = around 0.984127</output>
<result>62/63 = around 0.984127</result>


小刚有一本科技书，第一天看了全书的(1/5)，第二天看了全书的60%，还剩下36页，这本书共多少页？

Xiaogang has a science and technology book. He read the whole book (1/5) on the first day and 60% of the book on the second day. There are 36 pages left. How many pages are there in this book?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 - (1/5) - (3/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">36 / (1/5)</gadget>
<output>180</output>
<result>180</result>


一台拖拉机5小时耕地18公顷，照这样计算，如果再耕地3小时，一共可以耕地多少公顷？(用比例知识解答)

tractor can cultivate 18 hectares of land in 5 hours. According to this calculation, how many hectares of land can be cultivated if it is plowed for another 3 hours? (Answer with proportional knowledge)


星光书店去年十二月份的营业额约为50万元．如果按营业额的6%缴纳营业税，这个书店去年十二月份应缴纳营业税约多少万元？

The turnover of Xingguang Bookstore in December last year was about 500,000 yuan. If the business tax is 6% of the turnover, how much business tax should this bookstore pay in December last year?

<gadget id="calculator">6 / 100</gadget>
<output>3/50 = around 0.06</output>
<gadget id="calculator">50 * (3/50)</gadget>
<output>3</output>
<result>3</result>


小静看一本184页的故事书，前4天平均每天看25页．剩下的打算用3天看完，平均每天还要看多少页？

Xiaojing reads a 184-page story book, and reads an average of 25 pages a day in the first 4 days. I plan to read the rest in 3 days, how many pages do I need to read on average every day?

<gadget id="calculator">25 * 4</gadget>
<output>100</output>
<gadget id="calculator">184 - 100</gadget>
<output>84</output>
<gadget id="calculator">84 / 3</gadget>
<output>28</output>
<result>28</result>


某车站在检票前若干分钟就开始排队，每分钟来得旅客人数一样多，从开始检票到等候检票的队伍消失，若同时开5个检票口则需要30分钟，若同时开6个检票口则需要20分钟，如果要使队伍10分钟消失，那么需要同时开多少个检票口？

A certain station starts queuing up a few minutes before ticket inspection, and the number of passengers coming every minute is the same. From the start of ticket inspection to the disappearance of the line waiting for ticket inspection, it will take 30 minutes if 5 ticket gates are opened at the same time, and it will take 30 minutes if 6 ticket gates are opened at the same time. 20 minutes, how many wickets need to be opened at the same time if the queue is to disappear for 10 minutes?

<gadget id="calculator">5 * 30</gadget>
<output>150</output>
<gadget id="calculator">6 * 20</gadget>
<output>120</output>
<gadget id="calculator">150 - 120</gadget>
<output>30</output>
<gadget id="calculator">30 - 20</gadget>
<output>10</output>
<gadget id="calculator">30 / 10</gadget>
<output>3</output>
<gadget id="calculator">6 - 3</gadget>
<output>3</output>
<gadget id="calculator">20 / 10</gadget>
<output>2</output>
<gadget id="calculator">3 * 2</gadget>
<output>6</output>
<gadget id="calculator">6 + 3</gadget>
<output>9</output>
<result>9</result>


在三角形中，已知∠1=78°，∠2=46°，那么∠3=多少°．

In a triangle, it is known that ∠1=78°, ∠2=46°, then ∠3=how many degrees.

<gadget id="calculator">180 - 78 - 46</gadget>
<output>56</output>
<result>56</result>


平行四边形的面积是14.4m**2，底是4.5m．那么平行四边形的高是多少m？

The area of the parallelogram is 14.4m**2 and the base is 4.5m. What is the height of the parallelogram in m?

<gadget id="calculator">14.4 / 4.5</gadget>
<output>3.2</output>
<result>3.2</result>


服装厂生产一批服装，已经完成的件数与剩下的件数比是2：3，再生产2400件就完成生产任务．这批服装一共有多少件？

garment factory produces a batch of garments, the ratio of the number of completed pieces to the number of remaining pieces is 2:3, and the production task is completed by producing 2400 more pieces. How many pieces of clothing are there in total?

<gadget id="calculator">2_400 / 3</gadget>
<output>800</output>
<gadget id="calculator">2 + 3</gadget>
<output>5</output>
<gadget id="calculator">800 * 5</gadget>
<output>4_000</output>
<result>4_000</result>


爸爸骑自行车的速度是200米/分，他半小时可以骑多少千米．

Dad rides a bicycle at a speed of 200 m/min, how many kilometers can he ride in half an hour?

<gadget id="calculator">200 / 1_000</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">30 * (1/5)</gadget>
<output>6</output>
<result>6</result>


一批树苗，五年级1班第一天栽了全部的(1/5)，第二天比第一天多栽了全部的(1/20)，还剩下全部的几分之几没有栽？

For a batch of saplings, Class 1 of the fifth grade planted all (1/5) of them on the first day, and planted all (1/20) more of them on the second day than on the first day, leaving a few percent of the saplings unplanted ?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">(1/5) + (1/20)</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/5) - (1/4)</gadget>
<output>11/20 = around 0.55</output>
<result>11/20 = around 0.55</result>


比最大的三位数多500的数是多少

What is the number that is 500 more than the largest three-digit number?

<gadget id="calculator">999 + 500</gadget>
<output>1_499</output>
<result>1_499</result>


盒子里有若干个鸡蛋，每次取4个和6个，都剩下1个，这盒鸡蛋至少有多少个．

There are several eggs in the box, 4 and 6 are taken each time, and 1 is left. How many eggs are there at least in this box?

<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>
<gadget id="calculator">12 + 1</gadget>
<output>13</output>
<result>13</result>


一个底面直径为1.6分米、高为2分米的装满水的圆柱形玻璃杯，水中放着一个底面直径为1.2分米、高为1.2分米的铅锤，当取出铅锤后，杯里的水面下降了多少厘米？

A cylindrical glass cup filled with water with a bottom diameter of 1.6 decimeters and a height of 2 decimeters. A plumb bob with a bottom diameter of 1.2 decimeters and a height of 1.2 decimeters is placed in the water. When the plumb bob is taken out, the cup How many centimeters has the water level dropped?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1.2 / 2</gadget>
<output>0.6</output>
<gadget id="calculator">0.6 ** 2</gadget>
<output>0.36</output>
<gadget id="calculator">1.6 / 2</gadget>
<output>0.8</output>
<gadget id="calculator">0.8 ** 2</gadget>
<output>0.64</output>
<gadget id="calculator">3.14 * 0.64</gadget>
<output>2.0096</output>
<gadget id="calculator">1.2 / 2.0096</gadget>
<output>0.597134</output>
<gadget id="calculator">(1/3) * 3.14 * 0.36 * 0.597134</gadget>
<output>0.225</output>
<result>0.225</result>


小明一共收集了194个，小红用了34个，剩下的每8个装1盒，能装多少盒？

Xiao Ming collected a total of 194, and Xiao Hong used 34. The remaining 8 pieces are packed into 1 box. How many boxes can it hold?

<gadget id="calculator">194 - 34</gadget>
<output>160</output>
<gadget id="calculator">160 / 8</gadget>
<output>20</output>
<result>20</result>


将1.369和0.254化成最简分数后，比较它们的分数单位，多少较大．

After converting 1.369 and 0.254 into the simplest fractions, compare their fractional units and find out which one is larger.

<gadget id="calculator">127 / 500</gadget>
<output>127/500 = around 0.254</output>
<result>127/500 = around 0.254</result>


通常情况下．人体失去血液总量的(3/10)．人就会有生命危险．如果一个人的体内共有4800毫升的血液．当失血量达到1700毫升时．这个人失去的血液占血液总量的几分之几？他会有生命危险吗？

usually. The human body loses (3/10) of the total blood. People's lives are in danger. If a person has a total of 4800 ml of blood in his body. When the blood loss reaches 1700 ml. What percentage of the total blood volume has the person lost? Will his life be in danger?

<gadget id="calculator">1_700 / 4_800</gadget>
<output>17/48 = around 0.354167</output>
<result>17/48 = around 0.354167</result>


列式计算：400乘72与15的和，积是多少？

Column calculation: What is the product of 400 times 72 and 15?


小明骑自行车每小时行12千米，是汽车每小时行的(2/7)．汽车每小时行多少千米？

Xiao Ming travels 12 kilometers per hour on a bicycle, which is what a car travels per hour (2/7). How many kilometers does the car travel per hour?

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">12 / (2/7)</gadget>
<output>42</output>
<result>42</result>


某车队三天运完一批货物，第一天运走80吨，第二天运走余下的(5/9)，第三全部运完，前两天运的吨数与后两天运的吨数的比是23：27，第二天运多少吨？

A certain convoy finished transporting a batch of goods in three days, 80 tons were transported on the first day, the rest (5/9) was transported on the second day, and all were transported on the third day. The ratio of tons is 23:27, how many tons will be shipped the next day?

<gadget id="calculator">23 / 27</gadget>
<output>23/27 = around 0.851852</output>
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>
<gadget id="calculator">(23/27) - (5/9)</gadget>
<output>8/27 = around 0.296296</output>
<gadget id="calculator">80 / (8/27)</gadget>
<output>270</output>
<gadget id="calculator">270 * (5/9)</gadget>
<output>150</output>
<result>150</result>


三年级同学去春游，准备了9箱矿泉水，每箱矿泉水有18瓶．平均分给三个班，每个班可以分得多少瓶？

A third grader went on a spring outing and prepared 9 boxes of mineral water, each with 18 bottles. They are distributed to three classes on average, how many bottles can each class get?

<gadget id="calculator">18 / 3</gadget>
<output>6</output>
<gadget id="calculator">9 * 6</gadget>
<output>54</output>
<result>54</result>


把6米长的钢筋锯成6段，如果锯两段需2分钟，共需多少分钟．

If a 6-meter-long steel bar is sawn into 6 sections, if it takes 2 minutes to saw two sections, how many minutes will it take in total?

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


一根绳子，第一次剪去全长的(3/8)，第二次剪去7.5米，这时剪去的与剩下的米数比是7：5，第一次剪去多少米？

For a rope, cut off the full length (3/8) for the first time, and cut off 7.5 meters for the second time. At this time, the ratio of the number of meters cut to the remaining meters is 7:5. How many meters are cut off for the first time? ?

<gadget id="calculator">7 + 5</gadget>
<output>12</output>
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">(7/12) - (3/8)</gadget>
<output>5/24 = around 0.208333</output>
<gadget id="calculator">7.5 / (5/24)</gadget>
<output>36</output>
<gadget id="calculator">36 * (3/8)</gadget>
<output>27/2 = around 13.5</output>
<result>27/2 = around 13.5</result>


一个直角三角形两直角边分别是4厘米和3厘米，绕着它的任意一条直角边旋转一周可以得到一个什么图形？这个图形的体积最大是多少立方厘米？

The two right angle sides of a right triangle are 4 cm and 3 cm respectively, what figure can be obtained by rotating around any one of its right angle sides? What is the largest cubic centimeter of the shape?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">4 ** 2</gadget>
<output>16</output>
<gadget id="calculator">(1/3) * 3.14 * 16 * 3</gadget>
<output>50.24</output>
<result>50.24</result>


学校新购一批图书，其中连环画比科技书多(1/3)．买来科技书240本，买来连环画比科技书多多少本？

The school newly purchased a batch of books, among which there are more comic books than science books (1/3). Bought 240 science and technology books, how many more comic books were bought than science and technology books?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">240 * (1/3)</gadget>
<output>80</output>
<result>80</result>


三1班第2小组的6位同学测得自己的体重分别是28千克、23千克、26千克、30千克、33千克、40千克．该小组同学的平均体重是多少千克？

The 6 students in Group 2, Class 1, Class 3 measured their own weights as 28 kg, 23 kg, 26 kg, 30 kg, 33 kg, and 40 kg. What is the average weight in kilograms of the classmates in this group?

<gadget id="calculator">28 + 23 + 26 + 30 + 33 + 40</gadget>
<output>180</output>
<gadget id="calculator">180 / 6</gadget>
<output>30</output>
<result>30</result>


一辆汽车前3小时行132千米，后3小时平均每小时行48千米．在这6小时里，汽车平均速度是多少？

A car travels 132 kilometers in the first 3 hours, and travels an average of 48 kilometers per hour in the next 3 hours. What was the average speed of the car during these 6 hours?

<gadget id="calculator">48 * 3</gadget>
<output>144</output>
<gadget id="calculator">132 + 144</gadget>
<output>276</output>
<gadget id="calculator">3 + 3</gadget>
<output>6</output>
<gadget id="calculator">276 / 6</gadget>
<output>46</output>
<result>46</result>


If the two numbers a and b are reciprocals of each other, then ((b)/3)*((a)/2)=how much.

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


<gadget id="calculator">0.3 / 0.01</gadget>
<output>30</output>
<result>30</result>


<gadget id="calculator">5 + 7 + 9 + 11 + 13 + 15 + 17</gadget>
<output>77</output>
<result>77</result>


小强在银行里储蓄1200元，取出一部分捐献给灾区，还剩(5/6)，他捐献了多少元？

Xiaoqiang saved 1,200 yuan in the bank, and donated part of it to the disaster area. There was still (5/6), how much yuan did he donate?

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1_200 * (1/6)</gadget>
<output>200</output>
<result>200</result>


一根绳子，减去(2/3)米后正好还剩(2/3)，这条绳子全长多少米？

A piece of rope, after subtracting (2/3) meters, there is exactly (2/3) left, what is the total length of this rope?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(2/3) / (1/3)</gadget>
<output>2</output>
<result>2</result>


实际用电量比计划用电量减少15%，实际用电量是计划的多少

The actual power consumption is 15% less than the planned power consumption, and the actual power consumption is the planned amount

<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">1 - (3/20)</gadget>
<output>17/20 = around 0.85</output>
<result>17/20 = around 0.85</result>


在直径是1.6米，高1米的圆形餐桌铺了一块正方形布，台布的4个角正好触到地面，台布面积是多少．

A square cloth is spread on a circular dining table with a diameter of 1.6 meters and a height of 1 meter. The four corners of the table cloth just touch the ground. What is the area of the table cloth?

<gadget id="calculator">1.6 + 1 + 1</gadget>
<output>3.6</output>
<gadget id="calculator">3.6 / 2</gadget>
<output>1.8</output>
<gadget id="calculator">1.8 / 2</gadget>
<output>0.9</output>
<gadget id="calculator">1.8 * 0.9 * 4</gadget>
<output>6.48</output>
<result>6.48</result>


小强感冒了，医生要求他每天至少喝2000毫升水，他的一个杯子可以装250毫升水，他一天至少要喝多少杯水．

Xiaoqiang has a cold. The doctor asked him to drink at least 2000ml of water a day. One of his cups can hold 250ml of water. How many glasses of water should he drink at least a day?

<gadget id="calculator">2_000 / 250</gadget>
<output>8</output>
<result>8</result>


李红买5枝钢笔和2本笔记本共用去32元，已知每枝钢笔5元，每本笔记本多少元？

Li Hong buys 5 pens and 2 notebooks for 32 yuan. Given that each pen is 5 yuan, how much is each notebook?

<gadget id="calculator">5 * 5</gadget>
<output>25</output>
<gadget id="calculator">32 - 25</gadget>
<output>7</output>
<gadget id="calculator">7 / 2</gadget>
<output>7/2 = around 3.5</output>
<result>7/2 = around 3.5</result>


在为灾区捐款活动中，六一班捐款245元，六二班捐的比一班的2倍少45元．两个班共捐款多少元？

In the donation activity for the disaster area, the Sixth Class donated 245 yuan, and the Sixth Class donated 45 yuan less than twice that of the First Class. How much did the two classes donate in total?

<gadget id="calculator">245 * 2</gadget>
<output>490</output>
<gadget id="calculator">490 - 45</gadget>
<output>445</output>
<gadget id="calculator">245 + 445</gadget>
<output>690</output>
<result>690</result>


小明晚上9时睡觉，第二天早晨7时起床，她睡了多少小时．

Xiao Ming went to bed at 9:00 p.m. and got up at 7:00 a.m. the next morning. How many hours did she sleep?

<gadget id="calculator">3 + 7</gadget>
<output>10</output>
<result>10</result>


某车间要加工500个零件，已经加工了10天，每天加工30个，剩下的要在5天内完成，每天应加工多少个零件？

workshop needs to process 500 parts. It has been processed for 10 days, 30 parts are processed every day, and the rest needs to be finished within 5 days. How many parts should be processed every day?

<gadget id="calculator">30 * 10</gadget>
<output>300</output>
<gadget id="calculator">500 - 300</gadget>
<output>200</output>
<gadget id="calculator">200 / 5</gadget>
<output>40</output>
<result>40</result>


学生参加学校的兴趣小组活动，有38人参加唱歌小组，有22人参加跳舞小组，其中有14人两个项目都参加，参加兴趣小组活动的学生共有多少人．

Students participate in the school's interest group activities. There are 38 people in the singing group and 22 in the dancing group. Among them, 14 people participate in both events. How many students participate in the interest group activities?

<gadget id="calculator">22 - 14</gadget>
<output>8</output>
<gadget id="calculator">38 + 8</gadget>
<output>46</output>
<result>46</result>


如果甲数的(1/4)是20，那么甲数的(1/5)是多少

If (1/4) of A's number is 20, what is (1/5) of A's number

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">20 / (1/4)</gadget>
<output>80</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">80 * (1/5)</gadget>
<output>16</output>
<result>16</result>


两地相距500千米，客、货两车同时从两地相对开出，3小时后两车正好相距全程的40%，已知客车每小时行54千米，货车每小时行多少千米？

The distance between the two places is 500 kilometers. Two cars, passenger and freight, leave from the two places at the same time. After 3 hours, the distance between the two cars is exactly 40% of the whole journey. It is known that the passenger car travels 54 kilometers per hour, how many kilometers per hour does the truck travel?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>
<gadget id="calculator">(7/5) / 3</gadget>
<output>7/15 = around 0.466667</output>
<gadget id="calculator">500 * (7/15)</gadget>
<output>700/3 = around 233.333333</output>
<gadget id="calculator">(700/3) - 54</gadget>
<output>538/3 = around 179.333333</output>
<result>538/3 = around 179.333333</result>


甲数的50%等于数的60%，甲是乙的百分之几？

50% of A's number is equal to 60% of A's number. What percentage is A's B?

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(3/5) / (1/2)</gadget>
<output>6/5 = around 1.2</output>
<result>6/5 = around 1.2</result>


<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">0.8 * (3/4)</gadget>
<output>0.6</output>
<gadget id="calculator">3.9 + 0.6</gadget>
<output>4.5</output>
<gadget id="calculator">4.5 / 9</gadget>
<output>0.5</output>
<result>0.5</result>


2013个8相乘的积是一个很大的数，这个数的个位数字是多少．

The product of multiplying 8 in 2013 is a very large number. What is the unit digit of this number?


爷爷家养了126只鸭，养鸡的比鸭的4倍多12只，爷爷家养鸭和鸡一共多少只？

There are 126 ducks in my grandfather's family, and 12 chickens are 4 times more than ducks. How many ducks and chickens are there in total?

<gadget id="calculator">126 * 4</gadget>
<output>504</output>
<gadget id="calculator">504 + 12</gadget>
<output>516</output>
<gadget id="calculator">516 + 126</gadget>
<output>642</output>
<result>642</result>


3台拖拉机(1/2)小时耕地(9/10)公顷，平均每台拖拉机每小时耕地多少公顷？

3 tractors (1/2) hours plow (9/10) hectares, how many hectares per tractor per hour on average?

<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(9/10) / (1/2) / 3</gadget>
<output>3/5 = around 0.6</output>
<result>3/5 = around 0.6</result>


一个数除以6或8都余2，这个数最小是多少．

If a number is divided by 6 or 8, the remainder is 2. What is the smallest number?

<gadget id="calculator">2 * 3 * 4</gadget>
<output>24</output>
<gadget id="calculator">24 + 2</gadget>
<output>26</output>
<result>26</result>


一根塑料绳用去20%后又接上6分米(不包括接头的用绳)，这时比原来的全长多(2/5)，这根塑料绳原来有多少分米？

After 20% of a plastic rope is used up, 6 decimeters (not including the rope used for the joint) are connected, which is more (2/5) than the original full length at this time. How many decimeters are there in this plastic rope?

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(1/5) + (2/5)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">6 / (3/5)</gadget>
<output>10</output>
<result>10</result>


架线班要架设一条通讯线路，计划每天架设105米，40天完成．如果每天架设120米，多少天完成？(用比例解)

The wiring crew needs to erect a communication line. It is planned to erect 105 meters per day and complete in 40 days. If 120 meters are erected every day, how many days will it be completed? (Solve with ratio)

<gadget id="calculator">105 * 40</gadget>
<output>4_200</output>
<gadget id="calculator">4_200 / 120</gadget>
<output>35</output>
<result>35</result>


小明新买一盒净含量45000立方毫米的美牙牌牙膏，牙膏的圆形出口的直径是5毫米．他早晚各刷一次牙，每次挤出的牙膏长约20毫米．这瓶牙膏估计能用多少天？(π取3)

Xiao Ming bought a new box of Meiya brand toothpaste with a net content of 45,000 cubic millimeters. The diameter of the round outlet of the toothpaste is 5mm. He brushes his teeth in the morning and evening, and the length of the toothpaste squeezed out each time is about 20 mm. How many days is this bottle of toothpaste estimated to last? (π takes 3)

<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">(5/2) ** 2</gadget>
<output>25/4 = around 6.25</output>
<gadget id="calculator">3 * (25/4) * 20 * 2</gadget>
<output>750</output>
<gadget id="calculator">45_000 / 750</gadget>
<output>60</output>
<result>60</result>


用一个杯子向空瓶里倒水，如果倒进3杯水，那么连瓶共重400克；如果倒进5杯水，那么连瓶共重500克．这个空瓶重多少克．

Use a cup to pour water into the empty bottle. If 3 cups of water are poured into it, the total weight of the bottle is 400 grams; if 5 cups of water are poured into it, the total weight of the bottle is 500 grams. How much does this empty bottle weigh?

<gadget id="calculator">500 - 400</gadget>
<output>100</output>
<gadget id="calculator">5 - 3</gadget>
<output>2</output>
<gadget id="calculator">100 / 2</gadget>
<output>50</output>
<gadget id="calculator">50 * 3</gadget>
<output>150</output>
<gadget id="calculator">400 - 150</gadget>
<output>250</output>
<result>250</result>


一个平行四边形的面积是2.08dm**2，底是1.6dm，高是多少dm．

The area of a parallelogram is 2.08dm**2, the base is 1.6dm, and the height is dm.

<gadget id="calculator">2.08 / 1.6</gadget>
<output>1.3</output>
<result>1.3</result>


小明从家到学校，平均每分钟行驶50米，15分钟到达．则家到学校有多少米．

Xiao Ming travels from home to school on average at 50 meters per minute and arrives in 15 minutes. How many meters is it from home to school?

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


把一张长为30厘米，宽为25厘米的长方形纸裁成同样大小，面积尽可能大的正方形，且没有剩余，至少可以裁多少个？

Cut a piece of rectangular paper with a length of 30 cm and a width of 25 cm into a square with the same size and as large an area as possible, and there is no surplus, at least how many can be cut?

<gadget id="calculator">25 / 5</gadget>
<output>5</output>
<gadget id="calculator">30 / 5</gadget>
<output>6</output>
<gadget id="calculator">5 * 6</gadget>
<output>30</output>
<result>30</result>


下面各题中多少的商大于1．

How many quotients of the following questions are greater than 1?

<gadget id="calculator">17.34 / 17</gadget>
<output>1.02</output>
<result>1.02</result>


五1班人数的(1/9)调入五2班，两班人相等，原来五1班比五2班人数多多少

The number of people in class 51 (1/9) is transferred to class 52, and the two classes are equal. How much more people in class 51 than class 52

<gadget id="calculator">9 - 1</gadget>
<output>8</output>
<gadget id="calculator">8 - 1</gadget>
<output>7</output>
<gadget id="calculator">9 - 7</gadget>
<output>2</output>
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<result>2/7 = around 0.285714</result>


小雷在计算一道除法算式时，把除以6按照乘6去计算了，结果得(2/3)．正确的结果应该是多少呢？

When Xiaolei calculated a division formula, he calculated the division by 6 as multiplication by 6, and the result was (2/3). What should be the correct result?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(2/3) / 6 / 6</gadget>
<output>1/54 = around 0.018519</output>
<result>1/54 = around 0.018519</result>


为了鼓励节约用电，某市电力公司规定了以下的电费计算方法：每月用电不超过100千瓦时，按每千瓦时0.52元收费；每月用电超过100千瓦时，超过的部分按每千瓦时0.6元收费．小明家十月份付电费64.6元，小明家十月份用电多少千瓦时？

In order to encourage saving electricity, a power company in a certain city stipulates the following calculation method for electricity charges: if the monthly electricity consumption does not exceed 100 kwh, it will be charged at 0.52 yuan per kwh; The fee is 0.6 yuan per kWh. Xiaoming's family pays 64.6 yuan for electricity in October. How many kilowatt-hours does Xiaoming's family use in October?

<gadget id="calculator">0.6 * 100</gadget>
<output>60</output>
<gadget id="calculator">0.52 * 100</gadget>
<output>52</output>
<gadget id="calculator">64.6 - 52</gadget>
<output>12.6</output>
<gadget id="calculator">60 + 12.6</gadget>
<output>72.6</output>
<gadget id="calculator">72.6 / 0.6</gadget>
<output>121</output>
<result>121</result>


有一根不到4米长的绳子，如果把它剪成6厘米、8厘米或9厘米的短绳，结果都会剩下3厘米，这根绳子的长度最长是多少米？

There is a rope less than 4 meters long. If you cut it into a short rope of 6 cm, 8 cm or 9 cm, the result will be 3 cm. What is the longest length of this rope?

<gadget id="calculator">8 * 9 * 5</gadget>
<output>360</output>
<gadget id="calculator">360 + 3</gadget>
<output>363</output>
<gadget id="calculator">363 / 100</gadget>
<output>363/100 = around 3.63</output>
<result>363/100 = around 3.63</result>


从2、3、4三张数字卡片中任意抽出两张，组成两位数，这个两位数是双数的可能性是多少

Randomly draw two cards from the three number cards 2, 3, and 4 to form a two-digit number. What is the probability that the two-digit number is an even number?

<gadget id="calculator">4 / 6</gadget>
<output>2/3 = around 0.666667</output>
<result>2/3 = around 0.666667</result>


一个足球的质量相当于2个排球的质量，1个排球质量相当于90个乒乓球质量，1个乒乓球约重3克，那么一个足球相当于多少克．

The mass of a football is equivalent to the mass of 2 volleyballs, the mass of a volleyball is equivalent to the mass of 90 table tennis balls, and the mass of a table tennis ball is about 3 grams, so how many grams is a football equivalent to?

<gadget id="calculator">2 * 90 * 3</gadget>
<output>540</output>
<result>540</result>


王阿姨在佳佳超市买了3斤苹果和4斤香蕉，共用了18元，而1斤苹果的价钱相当于2斤香蕉的价钱，每斤苹果多少元．

Aunt Wang bought 3 catties of apples and 4 catties of bananas at Jiajia Supermarket, which cost 18 yuan. The price of 1 catty of apples is equivalent to the price of 2 catties of bananas. How much is a catty of apples?

<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">3 + 2</gadget>
<output>5</output>
<gadget id="calculator">18 / 5</gadget>
<output>18/5 = around 3.6</output>
<result>18/5 = around 3.6</result>


甲乙两辆车同时从A、B两地相对开出，相遇后两车继续行驶，当两车相距96千米时，甲车未行的路程占已行路程的50%，乙车已行的与未行的比是3：2，AB两地相距多少千米．

Two cars, A and B, leave opposite places A and B at the same time. After meeting, the two cars continue to drive. When the distance between the two cars is 96 kilometers, the distance traveled by car A accounts for 50% of the distance traveled, and the distance traveled by car B accounts for 50% of the distance traveled. The ratio of the line to the line is 3:2, how many kilometers is the distance between AB and AB?

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">3 + 2</gadget>
<output>5</output>
<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">(1/2) - (2/5)</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">96 / (1/10)</gadget>
<output>960</output>
<result>960</result>


一个正方形周长是24分米，面积是多少平方分米．

If the perimeter of a square is 24 decimeters, what is the area in square decimeters?

<gadget id="calculator">24 / 4</gadget>
<output>6</output>
<gadget id="calculator">6 * 6</gadget>
<output>36</output>
<result>36</result>


一块长方形的菜地，长45米，宽32米．现在由于需要，把它的长增加了13米，宽增加了12米．问这块菜地的面积增加了多少平方米？

A rectangular vegetable field is 45 meters long and 32 meters wide. Now due to needs, its length has been increased by 13 meters and its width by 12 meters. How many square meters has the area of this vegetable field increased?

<gadget id="calculator">45 + 13</gadget>
<output>58</output>
<gadget id="calculator">32 + 12</gadget>
<output>44</output>
<gadget id="calculator">58 * 44</gadget>
<output>2_552</output>
<gadget id="calculator">45 * 32</gadget>
<output>1_440</output>
<gadget id="calculator">2_552 - 1_440</gadget>
<output>1_112</output>
<result>1_112</result>


一块长95米，宽84米的长方形菜地，用(1/1000)的比例尺把它画在图纸上，长应画成多少厘米．

rectangular vegetable field with a length of 95 meters and a width of 84 meters is drawn on a drawing with a scale of (1/1000), what is the length in centimeters?

<gadget id="calculator">95 * 100</gadget>
<output>9_500</output>
<gadget id="calculator">1 / 1_000</gadget>
<output>1/1_000 = around 0.001</output>
<gadget id="calculator">9_500 * (1/1_000)</gadget>
<output>19/2 = around 9.5</output>
<result>19/2 = around 9.5</result>


今年我市农村人均收入2700元，比去年增加(2/25)．去年农村人均收入多少元？

This year the city's rural per capita income is 2,700 yuan, an increase (2/25) over last year. How much was the per capita income in rural areas last year?

<gadget id="calculator">2 / 25</gadget>
<output>2/25 = around 0.08</output>
<gadget id="calculator">1 + (2/25)</gadget>
<output>27/25 = around 1.08</output>
<gadget id="calculator">2_700 / (27/25)</gadget>
<output>2_500</output>
<result>2_500</result>


一棵桃树长满了成熟的桃，已知小猴去偷吃．第一天偷吃了一半多2个，第二天偷吃了剩下的一半少2个，这时树上还有20个桃，这棵桃树原有多少个桃？

A peach tree is full of ripe peaches, and a little monkey is known to steal them. On the first day, he ate half of the peaches and 2 more, and on the second day, he ate the remaining half and 2 less. At this time, there are still 20 peaches on the tree. How many peaches are there in this peach tree?

<gadget id="calculator">20 - 2</gadget>
<output>18</output>
<gadget id="calculator">18 * 2</gadget>
<output>36</output>
<gadget id="calculator">36 + 2</gadget>
<output>38</output>
<gadget id="calculator">38 * 2</gadget>
<output>76</output>
<result>76</result>


一个长方形的西餐桌，长150厘米，宽70厘米．这个西餐桌的周长是多少厘米？

A rectangular western dining table is 150 cm long and 70 cm wide. What is the circumference of this western dining table in centimeters?

<gadget id="calculator">150 + 70</gadget>
<output>220</output>
<gadget id="calculator">220 * 2</gadget>
<output>440</output>
<result>440</result>


一少年登山小队以每分钟40米的速度，从山脚到山顶用了25分钟，立即从原路返回15分钟到达原地．登山小队平均每分钟的速度是多少米？

A young mountaineering team took 25 minutes from the foot of the mountain to the top of the mountain at a speed of 40 meters per minute, and immediately returned from the original road for 15 minutes to reach the original place. What is the average speed of the climbing team in meters per minute?

<gadget id="calculator">25 + 15</gadget>
<output>40</output>
<gadget id="calculator">2 / 40</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">40 * 25 * (1/20)</gadget>
<output>50</output>
<result>50</result>


某学校有学生960人，其中510人订阅了"中国少年报"，330人订阅了"少年文艺"，120人订阅了"数学报"；订阅了不只一种报刊的有270人，订阅了三种报刊的有58人，这个学校有多少人没有订报．

A certain school has 960 students, of whom 510 subscribed to "China Youth Daily", 330 subscribed to "Youth Literature and Art", 120 subscribed to "Mathematics Journal"; There are 58 people who subscribe to newspapers. How many people in this school have not subscribed to newspapers.

<gadget id="calculator">120 - 270</gadget>
<output>-150</output>
<gadget id="calculator">510 + 330 + (-150) + 58</gadget>
<output>748</output>
<gadget id="calculator">960 - 748</gadget>
<output>212</output>
<result>212</result>


海象的寿命大约是40年，海狮的寿命比海象少(3/4)，海狮的寿命比海象的寿命大约少多少年？

The lifespan of a walrus is about 40 years, and the lifespan of a sea lion is less than that of a walrus (3/4). How many years is the lifespan of a sea lion less than that of a walrus?

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


工程队修建一条公路，第一个月修了全长的(1/4)，第二个月修了全长的20%，离中间点还有320米没有修．这条公路全长多少米？

The engineering team builds a road, and repairs the full length (1/4) in the first month, and repairs 20% of the full length in the second month, and there is still 320 meters away from the middle point. How long is this road in meters?

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/2) - (1/4) - (1/5)</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">320 / (1/20)</gadget>
<output>6_400</output>
<result>6_400</result>


甲乙两个因数的积是480，若甲数缩小3倍，乙数不变．积是多少．

The product of the two factors of A and B is 480. If the number of A is reduced by 3 times, the number of B remains unchanged. How much is the product.

<gadget id="calculator">480 / 3</gadget>
<output>160</output>
<result>160</result>


冬冬和芳芳共有50张邮票，冬冬给芳芳8张以后，两人就一样多了．芳芳原来有多少张邮票．

Dongdong and Fangfang have a total of 50 stamps. After Dongdong gives Fangfang 8 stamps, the two have the same number. How many stamps did Fangfang have?

<gadget id="calculator">8 * 2</gadget>
<output>16</output>
<gadget id="calculator">50 - 16</gadget>
<output>34</output>
<gadget id="calculator">34 / 2</gadget>
<output>17</output>
<result>17</result>


把一个长方体的长、宽、高各削去(1/2)后，体积是原来的多少．

What is the original volume of a cuboid after cutting off (1/2) its length, width and height?

<gadget id="calculator">2 / 1</gadget>
<output>2</output>
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<result>1/8 = around 0.125</result>


□/4=212…2，□里应填多少

□/4=212…2, how much should be filled in □

<gadget id="calculator">212 * 4</gadget>
<output>848</output>
<gadget id="calculator">848 + 2</gadget>
<output>850</output>
<result>850</result>


有7盒皮球，活动课分给学生29个后还剩6个，平均每盒有多少个皮球．

There are 7 boxes of balls, 29 are distributed to students in the activity class, and there are 6 left. How many balls are there on average in each box?

<gadget id="calculator">29 + 6</gadget>
<output>35</output>
<gadget id="calculator">35 / 7</gadget>
<output>5</output>
<result>5</result>


三个人5天能制作15台机器，以这样的速度，如果10天要完成50台机器，需要多少人一起工作？

Three people can make 15 machines in 5 days. At this speed, if 50 machines are to be completed in 10 days, how many people need to work together?

<gadget id="calculator">15 / 5 / 3</gadget>
<output>1</output>
<gadget id="calculator">50 / 10 / 1</gadget>
<output>5</output>
<result>5</result>


超市里有可乐54箱，是芬达的3倍，可乐比芬达多多少箱？

There are 54 boxes of Coke in the supermarket, three times that of Fanta. How many more boxes of Coke than Fanta?

<gadget id="calculator">54 / 3</gadget>
<output>18</output>
<gadget id="calculator">54 - 18</gadget>
<output>36</output>
<result>36</result>


召开甲、乙、丙、丁四个公司的投资洽谈会，这场会议要求每两个公司都只洽谈一次，为保证有两个公司洽谈3次，今年至少要召开多少场这样的洽谈会．

Hold investment fairs for companies A, B, C, and D. This meeting requires each two companies to negotiate only once. In order to ensure that two companies negotiate three times, at least how many such fairs should be held this year.

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">4 * (3/2)</gadget>
<output>6</output>
<gadget id="calculator">6 + 2</gadget>
<output>8</output>
<result>8</result>


一个等边三角形的周长是24厘米，高是6厘米，它的面积是多少平方厘米．

If the perimeter of an equilateral triangle is 24 cm and the height is 6 cm, what is its area in square centimeters?

<gadget id="calculator">24 / 3</gadget>
<output>8</output>
<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">8 * 3</gadget>
<output>24</output>
<result>24</result>


一件产品的成本原来是40元，改造工艺后，成本费降低了37.5%，现在这件成本多少元？

The cost of a product used to be 40 yuan. After the transformation process, the cost has been reduced by 37.5%. How much is the cost of this product now?

<gadget id="calculator">37.5 / 100</gadget>
<output>0.375</output>
<gadget id="calculator">1 - 0.375</gadget>
<output>0.625</output>
<gadget id="calculator">40 * 0.625</gadget>
<output>25</output>
<result>25</result>


What is the quotient of the sum of 18.76 and 1.76 divided by 45.6?

<gadget id="calculator">18.76 + 1.76</gadget>
<output>20.52</output>
<gadget id="calculator">20.52 / 45.6</gadget>
<output>0.45</output>
<result>0.45</result>


一个长50厘米，宽30厘米的长方形纸片，可以剪出最大的正方形纸片，其面积是多少平方厘米．

A rectangular piece of paper with a length of 50 cm and a width of 30 cm can be cut into the largest square piece of paper, what is the area in square centimeters?

<gadget id="calculator">30 * 30</gadget>
<output>900</output>
<result>900</result>


两幢大楼之间有一条长40米的小路．现在要在小路两旁每隔8米设一根电线杆，一共需要设多少根电线杆．

There is a 40-meter-long path between the two buildings. Now it is necessary to set up a telephone pole every 8 meters on both sides of the path. How many telephone poles are needed in total?

<gadget id="calculator">40 / 8</gadget>
<output>5</output>
<gadget id="calculator">5 - 1</gadget>
<output>4</output>
<gadget id="calculator">4 * 2</gadget>
<output>8</output>
<result>8</result>


某养鸡场每天收鸡蛋2400个，12个鸡蛋放1盘，5盘放1箱，这养鸡场一天收的鸡蛋放多少箱？

chicken farm collects 2,400 eggs every day, 12 eggs are placed in one tray, and 5 trays are placed in one box. How many boxes of eggs does this chicken farm collect in a day?

<gadget id="calculator">12 * 5</gadget>
<output>60</output>
<gadget id="calculator">2_400 / 60</gadget>
<output>40</output>
<result>40</result>


甲乙两个车轮同时从A地滚到B地，甲轮转了4800圈，乙轮转的圈数是甲的(3/4)，如果甲轮的周长比乙轮少31.4厘米，乙轮的半径是多少厘米？

The two wheels of A and B roll from A to B at the same time. A turns 4800 times, and the number of turns of B is A (3/4). If the circumference of A is 31.4 cm less than that of B, the radius of B How many centimeters is it?


□/9=25…□，被除数最大是多少．

<gadget id="calculator">25 * 9</gadget>
<output>225</output>
<gadget id="calculator">9 - 1</gadget>
<output>8</output>
<gadget id="calculator">225 + 8</gadget>
<output>233</output>
<result>233</result>


粮店有67袋大米和115袋面粉，大米和面粉每袋都是50千克，大米和面粉一共有多少千克？

There are 67 bags of rice and 115 bags of flour in the grain store. Each bag of rice and flour is 50 kilograms. How many kilograms of rice and flour are there altogether?

<gadget id="calculator">67 + 115</gadget>
<output>182</output>
<gadget id="calculator">182 * 50</gadget>
<output>9_100</output>
<result>9_100</result>


甲、乙、丙、丁四个数的平均数是86，甲、乙、丙三个数的平均数是85，则丁是多少．

If the average of the four numbers A, B, C, and D is 86, and the average of the three numbers A, B, and C is 85, then what is D?

<gadget id="calculator">86 * 4</gadget>
<output>344</output>
<gadget id="calculator">85 * 3</gadget>
<output>255</output>
<gadget id="calculator">344 - 255</gadget>
<output>89</output>
<result>89</result>


光明小学修教学楼用去96万元，比计划节约了4万元，比计划节约百分之几？多少．

Guangming Primary School spent 960,000 yuan to build the teaching building, which is 40,000 yuan less than planned. How much is the savings compared to the plan? How many.

<gadget id="calculator">4 + 96</gadget>
<output>100</output>
<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>
<result>1/25 = around 0.04</result>


一个圆柱削成一个最大的圆锥，圆锥的体积是40立方厘米，削去的部分的体积是多少立方厘米．

A cylinder is cut into the largest cone, the volume of the cone is 40 cubic centimeters, what is the volume of the cut part in cubic centimeters?

<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">40 * 2</gadget>
<output>80</output>
<result>80</result>


张老师买篮球用了325元，买7个足球，每个35元，张老师买篮球和足球一共用了多少钱？

Mr. Zhang spent 325 yuan to buy basketball and 7 footballs, 35 yuan each. How much did Mr. Zhang spend on basketball and football?

<gadget id="calculator">35 * 7</gadget>
<output>245</output>
<gadget id="calculator">325 + 245</gadget>
<output>570</output>
<result>570</result>


将一块圆锥形糕点沿着高切成两半，表面积比原来增加了36cm**2，测得圆锥形糕点的高是9cm，这块蛋糕的底面积是多少平方厘米？

Cut a piece of conical pastry in half along the height, the surface area is increased by 36cm**2 compared to the original one, the measured height of the conical pastry is 9cm, what is the area of the bottom of this cake in square centimeters?

<gadget id="calculator">36 / 2</gadget>
<output>18</output>
<gadget id="calculator">2 / 9 / 2</gadget>
<output>1/9 = around 0.111111</output>
<gadget id="calculator">18 * (1/9)</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>
<result>12.56</result>


一个三角形，它的面积为36平方分米，高为8分米，则它的底为多少分米．

If a triangle has an area of 36 square decimeters and a height of 8 decimeters, what is its base?

<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">36 * (1/4)</gadget>
<output>9</output>
<result>9</result>


Find the proportional solution: x: 3.2 = (1/5): (5/4).

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">3.2 * (1/5)</gadget>
<output>0.64</output>
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">0.64 / (5/4)</gadget>
<output>0.512</output>
<result>0.512</result>


把一个圆形草坪画在比例尺为1：2000的平面图上，半径为4厘米，这个圆形草坪的实际面积是多少米**2．

Draw a circular lawn on a plan with a scale of 1:2000 and a radius of 4 cm. What is the actual area of the circular lawn in meters**2.

<gadget id="calculator">1 / 2_000</gadget>
<output>1/2_000 = around 0.0005</output>
<gadget id="calculator">4 / (1/2_000) / 100</gadget>
<output>80</output>
<gadget id="calculator">80 ** 2</gadget>
<output>6_400</output>
<gadget id="calculator">3.14 * 6_400</gadget>
<output>20_096</output>
<result>20_096</result>


张老师将50000元存人银行，定期两年，年利率为3.75%，到期后将利息捐给希望工程，张老师将捐给希望工程多少钱？

Teacher Zhang will deposit 50,000 yuan in the bank for two years, with an annual interest rate of 3.75%. After the maturity, he will donate the interest to the Hope Project. How much will Teacher Zhang donate to the Hope Project?

<gadget id="calculator">3.75 / 100</gadget>
<output>0.0375</output>
<gadget id="calculator">50_000 * 0.0375 * 2</gadget>
<output>3_750</output>
<result>3_750</result>


一个圆柱形容器里面盛有(1/2)的水，恰好是120毫升，若把这个圆柱形容器里面的水倒入一个与它等底等高的圆锥形容器里面，可能溢出水多少毫升？

A cylindrical container contains (1/2) of water, which is exactly 120 milliliters. If the water in this cylindrical container is poured into a conical container with the same bottom and height as it, how many milliliters of water may overflow?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">120 / (1/2) / 3</gadget>
<output>80</output>
<gadget id="calculator">120 - 80</gadget>
<output>40</output>
<result>40</result>


某市收取水费的标准是：若每月用水不超过10吨时，每吨收费1元，若超过10吨时，超过部分按每吨1.8元收费．某月，张家交水费20.8元，这个月张家用水多少吨？

The standard for charging water fees in a certain city is: if the monthly water consumption does not exceed 10 tons, the fee is 1 yuan per ton; if the water exceeds 10 tons, the excess part is charged at 1.8 yuan per ton. In a certain month, Zhang’s family pays 20.8 yuan for water. How many tons of water does Zhang’s family use this month?

<gadget id="calculator">10 * 1</gadget>
<output>10</output>
<gadget id="calculator">20.8 - 10</gadget>
<output>10.8</output>
<gadget id="calculator">10.8 / 1.8</gadget>
<output>6</output>
<gadget id="calculator">6 + 10</gadget>
<output>16</output>
<result>16</result>


甲乙两工程队修筑一条公路，若甲队单独修路要10天，乙队单独修路则要12天，若同时修路，则多少天可以完成？

Two engineering teams, A and B, build a road. If it takes 10 days for team A to build the road alone, and 12 days for team B to build the road alone. If they build the road at the same time, how many days can they complete?

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">(1/10) + (1/12)</gadget>
<output>11/60 = around 0.183333</output>
<gadget id="calculator">1 / (11/60)</gadget>
<output>60/11 = around 5.454545</output>
<result>60/11 = around 5.454545</result>


一位旅客乘火车以每秒15米的速度前进，他看见对面开来的火车只用2秒钟就从他身边驶过．如果知道迎面来的火车长70米，求它每小时行驶多少千米？

A passenger travels by train at a speed of 15 meters per second, and he sees a train coming from the opposite side passing him in only 2 seconds. If you know that the oncoming train is 70 meters long, how many kilometers does it travel per hour?


一个正方形的边长是(2/3)米，它的周长是多少．

If the side length of a square is (2/3) meters, what is its perimeter?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(2/3) * 4</gadget>
<output>8/3 = around 2.666667</output>
<result>8/3 = around 2.666667</result>


学校北墙前要栽月季花，全长300米，每隔5米种一株，两头不能种花．共能栽多少株月季花？

Rose flowers are to be planted in front of the north wall of the school, with a total length of 300 meters, and one plant is planted every 5 meters, and flowers cannot be planted at both ends. How many roses can be planted in total?

<gadget id="calculator">300 / 5</gadget>
<output>60</output>
<gadget id="calculator">60 - 1</gadget>
<output>59</output>
<result>59</result>


一条绳子长10米，第一次用去2.6米，第二次用去3.8米，还剩多少米？

A rope is 10 meters long, 2.6 meters are used for the first time, and 3.8 meters are used for the second time, how many meters are left?

<gadget id="calculator">10 - 2.6 - 3.8</gadget>
<output>3.6</output>
<result>3.6</result>


玩具汽车每辆45元，玩具摩托车每2辆84元，玩具汽车比玩具摩托车每辆贵多少元？

Each toy car is 45 yuan, and each toy motorcycle is 84 yuan. How much more expensive is a toy car than a toy motorcycle?

<gadget id="calculator">84 / 2</gadget>
<output>42</output>
<gadget id="calculator">45 - 42</gadget>
<output>3</output>
<result>3</result>


某车间3月份计划生产4200个零件，上半月就完成了计划的(3/5)，照这样计算，实际比原计划增产多少个．

A workshop planned to produce 4200 parts in March, and completed the plan (3/5) in the first half of the month. According to this calculation, how many more parts were actually produced than the original plan.

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(3/5) * 2</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">(6/5) - 1</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">4_200 * (1/5)</gadget>
<output>840</output>
<result>840</result>


淘气每天读一本书的20%，3天后还剩下60页．这本书一共有多少页．

Naughty reads 20% of a book every day, and there are 60 pages left after 3 days. How many pages does this book have in total?

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/5) * 3</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>


李爷爷家里的菜地共600平方米，他准备用(2/5)种西红柿，剩下的按2：1的面积比种黄瓜和茄子，种黄瓜的面积是多少平方米．

Grandpa Li’s vegetable field is 600 square meters in total. He plans to use (2/5) to grow tomatoes, and the rest to grow cucumbers and eggplants at an area ratio of 2:1. What is the area for growing cucumbers?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">2 + 1</gadget>
<output>3</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">600 * (3/5) * (2/3)</gadget>
<output>240</output>
<result>240</result>


实验小学向汶川地震灾区捐款，第一次捐款3600元，第二次捐款4500元，第二次比第一次多捐百分之几？

The Experimental Primary School donated to the Wenchuan earthquake-stricken area. The first donation was 3,600 yuan, and the second donation was 4,500 yuan. How much more was the second donation than the first donation?

<gadget id="calculator">4_500 - 3_600</gadget>
<output>900</output>
<gadget id="calculator">900 / 3_600</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


一个正方体水槽，从里面量棱长为2dm．向这个水槽里倒入5L水，再放入一块石块，石块完全浸没在水中，这时量得水槽内的水深为1.8dm．这块石块的体积是多少立方分米？

cube tank has a side length of 2dm measured from the inside. Pour 5L of water into this tank, and then put a stone into it. The stone is completely submerged in the water. At this time, the water depth in the tank is measured to be 1.8dm. What is the volume of this rock in cubic decimeters?

<gadget id="calculator">2 * 2 * 1.8</gadget>
<output>7.2</output>
<gadget id="calculator">7.2 - 5</gadget>
<output>2.2</output>
<result>2.2</result>


一桶油，第一次用去(2/5)，第二次用了10千克，这时剩下的油的质量正好是整桶油的一半．这桶油原有多少千克？

A barrel of oil is used for the first time (2/5), and 10 kg is used for the second time. At this time, the quality of the remaining oil is exactly half of the whole barrel. How many kilograms is this barrel of oil originally?

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


食堂运来80袋大米，吃去一部分后，还剩下(1/5)，吃去了多少袋？

The cafeteria brought 80 bags of rice, and after eating part of it, there was still (1/5) left. How many bags were eaten?

<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">80 * (4/5)</gadget>
<output>64</output>
<result>64</result>


甲乙两辆汽车同时从相距237千米的两个车站相向开出．经过3小时两车相遇．甲汽车每小时行38千米，乙汽车每小时行多少千米？

Two cars, A and B, leave opposite directions at the same time from two stations 237 kilometers apart. After 3 hours the two cars met. Car A travels 38 kilometers per hour, how many kilometers per hour does Car B travel?

<gadget id="calculator">237 / 3</gadget>
<output>79</output>
<gadget id="calculator">79 - 38</gadget>
<output>41</output>
<result>41</result>


一个长方形的宽是2.5米，长是宽的2.4倍，这个长方形的面积是多少平方米？

The width of a rectangle is 2.5 meters, and the length is 2.4 times the width. What is the area of the rectangle?

<gadget id="calculator">2.5 * 2.4 * 2.5</gadget>
<output>15</output>
<result>15</result>


每套书有13本，黄老师买了15套，一共买了多少本．

There are 13 books in each set, Mr. Huang bought 15 sets, how many books did he buy in total?

<gadget id="calculator">13 * 15</gadget>
<output>195</output>
<result>195</result>


一个圆柱比与它等底等高的圆锥的体积多34.2立方分米，这个圆锥的体积是多少立方分米．

A cylinder is 34.2 cubic decimeters larger than the volume of a cone with the same base and height. What is the volume of this cone?

<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">34.2 / 2</gadget>
<output>17.1</output>
<result>17.1</result>


游泳馆的工作人员向一个长60米、宽35米、深1.5米的空游泳池里注水．经过0.8小时水深达0.4米，这样的话，共需要多少小时才能把游泳池注满？(用比例知识解答)

The staff of the swimming pool filled an empty swimming pool with a length of 60 meters, a width of 35 meters and a depth of 1.5 meters. After 0.8 hours, the water depth reaches 0.4 meters. In this case, how many hours will it take to fill the swimming pool? (Answer with proportional knowledge)

<gadget id="calculator">0.4 / 0.8</gadget>
<output>0.5</output>
<gadget id="calculator">1.5 / 0.5</gadget>
<output>3</output>
<result>3</result>


一段方钢长2米，横截面是边长10厘米的正方形，这段方钢的体积是多少立方米．

A piece of square steel is 2 meters long and its cross section is a square with side length 10 cm. What is the volume of this piece of square steel in cubic meters?

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(1/10) * (1/10) * 2</gadget>
<output>1/50 = around 0.02</output>
<result>1/50 = around 0.02</result>


一双皮鞋九折出售，顾客可以比原价少花20元，这种皮鞋原价多少钱？

A pair of leather shoes is sold at a 10% discount, and customers can spend 20 yuan less than the original price. How much is the original price of this kind of leather shoes?

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">1 - (9/10)</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">20 / (1/10)</gadget>
<output>200</output>
<result>200</result>


某林场今年计划植树900棵，已经栽了3天，每天栽150棵，剩下的用2天栽完，剩下的平均每天要栽多少棵．

A forest farm plans to plant 900 trees this year. It has been planted for 3 days, and 150 trees are planted every day. The remaining trees are planted in 2 days.

<gadget id="calculator">150 * 3</gadget>
<output>450</output>
<gadget id="calculator">900 - 450</gadget>
<output>450</output>
<gadget id="calculator">450 / 2</gadget>
<output>225</output>
<result>225</result>