一箱苹果有65个，每天吃5个，吃了7天，这箱苹果还剩下多少个？

There are 65 apples in a box, and 5 apples are eaten every day for 7 days. How many apples are left in this box?

<gadget id="calculator">5 * 7</gadget>
<output>35</output>
<gadget id="calculator">65 - 35</gadget>
<output>30</output>
<result>30</result>


王叔叔骑自行车的速度是每小时18千米，他从甲地到乙地需要6小时．如果改乘汽车要2小时，汽车每小时行多少千米？

Uncle Wang rides a bicycle at a speed of 18 kilometers per hour, and it takes him 6 hours to travel from point A to point B. If it takes 2 hours to change to a car, how many kilometers per hour will the car travel?

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


某人从山脚下上山，平均每时行20千米，从山顶沿原路下山，平均每时行30千米，往返一次共用4.5时，问山脚到山顶的距离是多少千米．

A person goes up the mountain from the foot of the mountain, and travels an average of 20 kilometers per hour, and descends from the top of the mountain along the same road, and travels an average of 30 kilometers per hour.

<gadget id="calculator">4.5 * 30</gadget>
<output>135</output>
<gadget id="calculator">20 + 30</gadget>
<output>50</output>
<gadget id="calculator">135 / 50</gadget>
<output>27/10 = around 2.7</output>
<gadget id="calculator">(27/10) * 20</gadget>
<output>54</output>
<result>54</result>


一个面积是28.8dm**2的三角形，其中一条底边长9dm，这条底边上的高是多少分米？(用方程解)

triangle with an area of 28.8dm**2, one of the bases is 9dm long, what is the height of the base in decimeters? (solution by equation)

<gadget id="calculator">28.8 * 2</gadget>
<output>57.6</output>
<gadget id="calculator">57.6 / 9</gadget>
<output>6.4</output>
<result>6.4</result>


期中考试，第一小组有男生3名，女生2名，3名男生总分是264分，两名女生的考试成绩分别是93分和98分．第一小组平均每人是多少分？

In the mid-term exam, the first group has 3 boys and 2 girls. The total score of the 3 boys is 264 points, and the test scores of the two girls are 93 points and 98 points respectively. What is the average score for the first group?

<gadget id="calculator">264 + 93 + 98</gadget>
<output>455</output>
<gadget id="calculator">3 + 2</gadget>
<output>5</output>
<gadget id="calculator">455 / 5</gadget>
<output>91</output>
<result>91</result>


机灵狗沿着学校的操场走了240步，他每步的平均长度大约是75厘米，机灵狗走了多少米？

The smart dog walked 240 steps along the school playground. The average length of each step was about 75 cm. How many meters did the smart dog walk?

<gadget id="calculator">75 * 240</gadget>
<output>18_000</output>
<gadget id="calculator">18_000 / 100</gadget>
<output>180</output>
<result>180</result>


蒋老师骑电动自行车上下班．上班时平均每分钟行500米，6分钟到达学校；下班时只用了5分钟就到家了，求下班回家时的速度．

Teacher Jiang rides an electric bicycle to and from get off work. When I go to work, I travel an average of 500 meters per minute, and arrive at school in 6 minutes; when I get off work, it takes only 5 minutes to get home. Find the speed when I get home from get off work.

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">500 * (6/5)</gadget>
<output>600</output>
<result>600</result>


三只袋子，A、B、C装球不等，三只A袋装的球与4只B袋装的恰好相同，两只B袋装的球刚好等于一个C袋装的，A袋比C袋少装60只，B袋装球多少只？

Three bags, A, B, C balls are not equal, the balls in three A bags are exactly the same as the four B bags, the balls in two B bags are exactly equal to one C bag, A bag is more than C There are at least 60 balls in the bag, how many balls are in bag B?

<gadget id="calculator">2 / 1</gadget>
<output>2</output>
<gadget id="calculator">3 + 4 + 2</gadget>
<output>9</output>
<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>
<gadget id="calculator">(1/3) - (2/9)</gadget>
<output>1/9 = around 0.111111</output>
<gadget id="calculator">60 / (1/9)</gadget>
<output>540</output>
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">540 * (4/9)</gadget>
<output>240</output>
<result>240</result>


街心公园里有杨树60棵，是槐树棵数的(3/4)，柳树棵数是槐树棵数的(3/5)．公园里有柳树多少棵？

There are 60 poplar trees in the street park, which are 3/4 of the number of pagoda trees, and 3/5 of the number of willow trees. How many willow trees are there in the park?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">60 / (3/4)</gadget>
<output>80</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">80 * (3/5)</gadget>
<output>48</output>
<result>48</result>


学校要在长60米的小路两边植树，每隔2米植一棵树(首尾都植)，一共可以植多少棵．

The school should plant trees on both sides of the 60-meter-long path, and plant a tree every 2 meters (both at the end and the end), how many trees can be planted in total.

<gadget id="calculator">60 / 2</gadget>
<output>30</output>
<gadget id="calculator">30 + 1</gadget>
<output>31</output>
<gadget id="calculator">31 * 2</gadget>
<output>62</output>
<result>62</result>


Among (1/3), 33%, 3.3, 0.33..., what is the smallest number

<gadget id="calculator">33 / 100</gadget>
<output>33/100 = around 0.33</output>
<result>33/100 = around 0.33</result>


五年级舞蹈队为儿童节晚会排练舞蹈．站队形时，他们5个人一排刚好排完；6个人一排也刚好排完；7个人一排，就可以安排2个人出列领唱．请问这个舞蹈队至少有几个人？

The fifth grade dance team rehearsed for the Children's Day Gala. When standing in formation, they just finished lining up in a row of 5 people; also just finished lining up in a row of 6 people; and arranged 2 people in a row to lead the singing. How many people does this dance team have at least?


一个圆柱体，底面积是20平方厘米，高是12厘米，与这个圆柱体等底等高的圆锥体的体积是多少立方厘米．

A cylinder has a base area of 20 cm2 and a height of 12 cm. What is the volume of a cone with the same base and height as the cylinder?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">20 * 12 * (1/3)</gadget>
<output>80</output>
<result>80</result>


一个长20厘米，宽10厘米，高6厘米的长方体木块，在它的上面截去一个最大的正方体，剩下木块的体积是多少？

A cuboid block of wood with a length of 20 cm, a width of 10 cm, and a height of 6 cm is cut off from the top of the largest cube. What is the volume of the remaining block?

<gadget id="calculator">20 * 10 * 6</gadget>
<output>1_200</output>
<gadget id="calculator">6 * 6 * 6</gadget>
<output>216</output>
<gadget id="calculator">1_200 - 216</gadget>
<output>984</output>
<result>984</result>


海滨旅馆有56个双人房间，48个三人房间．这个旅馆一共可以住多少人？

The seaside hotel has 56 double rooms and 48 triple rooms. How many people can stay in this hotel?

<gadget id="calculator">56 * 2</gadget>
<output>112</output>
<gadget id="calculator">48 * 3</gadget>
<output>144</output>
<gadget id="calculator">112 + 144</gadget>
<output>256</output>
<result>256</result>


参加比赛的女生比男生少15人，比赛结果：女生全部获奖，男生只有(3/4)获奖，男女获奖人数相等，参加比赛的女生有多少人？

The number of girls who participated in the competition was 15 fewer than the boys. The result of the competition: all girls won prizes, and only (3/4) boys won. The number of prizes for men and women is equal. How many girls participated in the competition?

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


一辆压路机前轮是圆柱形，轮宽2.5米，直径是2米，前轮滚动2周，压路的面积是多少平方米？

The front wheel of a road roller is cylindrical, the wheel width is 2.5 meters, the diameter is 2 meters, and the front wheel rolls 2 times. What is the area of the road in square meters?

<gadget id="calculator">3.14 * 2 * 2.5 * 2</gadget>
<output>31.4</output>
<result>31.4</result>


将一个正方形剪成两个长方形，周长增加了6厘米，原来这个正方形的周长是多少厘米？

If a square is cut into two rectangles, the perimeter is increased by 6 cm, what is the original perimeter of the square in cm?

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


一辆洒水车，每分钟行驶60米，洒水的宽度是8米，洒水车行驶4分钟，能给多大的地面洒上水？

A sprinkler truck travels 60 meters per minute. The width of the sprinkler is 8 meters. If the sprinkler truck runs for 4 minutes, how much ground can it sprinkle with water?

<gadget id="calculator">60 * 4 * 8</gadget>
<output>1_920</output>
<result>1_920</result>


已知扇形的圆心角为18°，半径是5米，那么扇形的面积是多少平方米．(π取3.14)

Given that the central angle of the sector is 18° and the radius is 5 meters, what is the area of the sector in square meters? (π takes 3.14)

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">3.14 * 25</gadget>
<output>78.5</output>
<gadget id="calculator">(1/20) * 78.5</gadget>
<output>3.925</output>
<result>3.925</result>


一条鱼的重量等于它的(3/5)加上(3/5)千克，这条鱼重多少千克．

The weight of a fish is equal to its (3/5) plus (3/5) kilograms, what is the weight of this fish in kilograms.

<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">(3/5) / (2/5)</gadget>
<output>3/2 = around 1.5</output>
<result>3/2 = around 1.5</result>


在一个比例中，两个内项互为倒数，一个外项是12，另一个外项是多少．

In a ratio, the two inner terms are reciprocals of each other, one outer term is 12, and the other outer term is how much.

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<result>1/12 = around 0.083333</result>


张老师买来了4盒水笔，每盒12支，每支水笔5元．张老师共要付多少元钱？

Teacher Zhang bought 4 boxes of fountain pens, 12 in each box, and 5 yuan for each fountain pen. How much does Mr. Zhang have to pay in total?

<gadget id="calculator">4 * 12</gadget>
<output>48</output>
<gadget id="calculator">5 * 48</gadget>
<output>240</output>
<result>240</result>


筑路队修一条2000米长的路，第一天修了全路的(1/4)，第二天修了余下的(3/5)，还剩多少米没修？

The road construction team built a 2,000-meter-long road. On the first day, they built the whole road (1/4), and on the second day they repaired the rest (3/5). How many meters are left to be repaired?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">2_000 * (1/4)</gadget>
<output>500</output>
<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">2_000 * (3/4) * (3/5)</gadget>
<output>900</output>
<gadget id="calculator">2_000 - 500 - 900</gadget>
<output>600</output>
<result>600</result>


在比例尺是1：2000的图纸上，量得一个长方形花园的长是2.5cm，宽是1.8cm，这个花园的实际面积是多少m**2？

On the drawing with a scale of 1:2000, the length of a rectangular garden is 2.5cm and the width is 1.8cm. What is the actual area of the garden in m**2?

<gadget id="calculator">1 / 2_000</gadget>
<output>1/2_000 = around 0.0005</output>
<gadget id="calculator">2.5 / (1/2_000) / 100</gadget>
<output>50</output>
<gadget id="calculator">1.8 / (1/2_000) / 100</gadget>
<output>36</output>
<gadget id="calculator">50 * 36</gadget>
<output>1_800</output>
<result>1_800</result>


一个长方形的周长是16厘米，长是6厘米，宽是多少厘米．

The perimeter of a rectangle is 16 cm, the length is 6 cm, and the width is in cm.

<gadget id="calculator">16 / 2</gadget>
<output>8</output>
<gadget id="calculator">8 - 6</gadget>
<output>2</output>
<result>2</result>


有20个同学去郊游，每人带一瓶矿泉水．超市里的矿泉水买4瓶送1瓶，它们只需买多少瓶就可以了．

There are 20 students going on an outing, each with a bottle of mineral water. Buy 4 bottles of mineral water in the supermarket and get 1 free. They only need to buy as many bottles as they want.

<gadget id="calculator">4 + 1</gadget>
<output>5</output>
<gadget id="calculator">20 / 5</gadget>
<output>4</output>
<gadget id="calculator">20 - 4</gadget>
<output>16</output>
<result>16</result>


甲、乙、丙3个数的和是99，甲数比乙数多4，乙数比丙数多4，丙数是多少．

The sum of the numbers A, B, and C is 99. The number of A is 4 more than the number of B, and the number of B is 4 more than the number of C. What is the number of C?

<gadget id="calculator">99 - 4</gadget>
<output>95</output>
<gadget id="calculator">4 + 95</gadget>
<output>99</output>
<gadget id="calculator">1 + 1 + 1</gadget>
<output>3</output>
<gadget id="calculator">99 / 3</gadget>
<output>33</output>
<gadget id="calculator">33 - 4</gadget>
<output>29</output>
<result>29</result>


学校食堂买来一批煤，计划每天烧50千克，可以烧40天，实际每天烧25千克，这样可以烧几天？(用比例解)

The school cafeteria bought a batch of coal and planned to burn 50 kilograms per day, which can last for 40 days, but actually burned 25 kilograms per day, how many days can it be burned? (Solve with ratio)

<gadget id="calculator">50 * 40</gadget>
<output>2_000</output>
<gadget id="calculator">2_000 / 25</gadget>
<output>80</output>
<result>80</result>


3个同学跳绳，小明跳了120下，小亮跳的是小强的(2/3)，小强跳的是小明跳的(5/8)，小亮跳了多少下？

3 classmates skip rope, Xiao Ming skips 120 times, Xiao Liang jumps Xiao Qiang's (2/3), Xiao Qiang jumps Xiao Ming's (5/8), how many times does Xiao Liang jump?

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">120 * (5/8) * (2/3)</gadget>
<output>50</output>
<result>50</result>


<gadget id="calculator">1 * 20</gadget>
<output>20</output>
<gadget id="calculator">2 * 10</gadget>
<output>20</output>
<gadget id="calculator">20 + 20</gadget>
<output>40</output>
<result>40</result>


<gadget id="calculator">450 / 18</gadget>
<output>25</output>
<gadget id="calculator">25 * 101</gadget>
<output>2_525</output>
<gadget id="calculator">6_375 + 2_525</gadget>
<output>8_900</output>
<result>8_900</result>


阿奇一家人外出旅游，可以乘火车，也可以乘汽车，还可以坐飞机．经过网上查询，出发的那一天中火车有4班，汽车有3班，飞机有2班．他们乘坐这些交通工具，一共可以有多少种不同的选择？

When Archie's family travels, they can take a train, a car, or an airplane. After searching online, there were 4 trains, 3 cars, and 2 planes on the day of departure. How many different options do they have for taking these means of transportation?

<gadget id="calculator">4 + 3 + 2</gadget>
<output>9</output>
<result>9</result>


有18个同学可以分成3组做游戏，现在有6组同学在做游戏，做游戏的一共多少人？

There are 18 students who can be divided into 3 groups to play games. Now there are 6 groups of students who are playing games. How many people are playing games?

<gadget id="calculator">18 / 3</gadget>
<output>6</output>
<gadget id="calculator">6 * 6</gadget>
<output>36</output>
<result>36</result>


加工一批零件，甲独做需75小时，乙独做需50小时，已知每小时乙比甲多做12件．如果甲的工效提高(1/2)，而乙每小时比原来多做8件，那么两人合做这批零件的三分之二需要多少小时？

To process a batch of parts, it takes 75 hours for A to do it alone, and 50 hours for B to do it alone. It is known that B makes 12 more pieces than A per hour. If A's work efficiency is increased (1/2), and B makes 8 more pieces per hour than before, how many hours will it take for the two to work together to make two-thirds of the batch of parts?

<gadget id="calculator">1 / 50</gadget>
<output>1/50 = around 0.02</output>
<gadget id="calculator">1 / 75</gadget>
<output>1/75 = around 0.013333</output>
<gadget id="calculator">(1/50) - (1/75)</gadget>
<output>1/150 = around 0.006667</output>
<gadget id="calculator">12 / (1/150)</gadget>
<output>1_800</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">1_800 / 75</gadget>
<output>24</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">24 * (3/2)</gadget>
<output>36</output>
<gadget id="calculator">1_800 / 50</gadget>
<output>36</output>
<gadget id="calculator">36 + 8</gadget>
<output>44</output>
<gadget id="calculator">36 + 44</gadget>
<output>80</output>
<gadget id="calculator">(2/3) / 80</gadget>
<output>1/120 = around 0.008333</output>
<gadget id="calculator">1_800 * (1/120)</gadget>
<output>15</output>
<result>15</result>


一辆小货车每次能运4吨货，要10辆小车才能把这些货物一次运走，现在改成用载质量8吨的大货车来运，只需要几辆就可以一次运走？

A small truck can transport 4 tons of goods each time, and it takes 10 small trucks to transport these goods at one time. Now it is changed to a large truck with a load capacity of 8 tons. How many vehicles can be transported at one time?

<gadget id="calculator">10 / 8</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">4 * (5/4)</gadget>
<output>5</output>
<result>5</result>


一个数分别与46和54相乘，两积之和是4600．这个数是多少．

When a number is multiplied by 46 and 54 respectively, the sum of the two products is 4600. What is this number?

<gadget id="calculator">46 + 54</gadget>
<output>100</output>
<gadget id="calculator">4_600 / 100</gadget>
<output>46</output>
<result>46</result>


一本小说有264页，李扬前三天看了72页，照这样计算，这本小说他还需几天才能看完？

A novel has 264 pages, and Li Yang read 72 pages in the first three days. Based on this calculation, how many days will it take him to finish this novel?

<gadget id="calculator">264 - 72</gadget>
<output>192</output>
<gadget id="calculator">72 / 3</gadget>
<output>24</output>
<gadget id="calculator">192 / 24</gadget>
<output>8</output>
<result>8</result>


科学研究发现，治棉花棉铃虫需用20ml农药加40000ml水配制药液，现有50ml农药，要加多少毫升水？(列比例式计算)

Scientific research has found that to treat cotton bollworms, 20ml of pesticides and 40,000ml of water are needed to prepare a liquid solution. How many milliliters of water should be added to the existing 50ml of pesticides? (column ratio calculation)

<gadget id="calculator">20 / 40_000</gadget>
<output>1/2_000 = around 0.0005</output>
<gadget id="calculator">50 / (1/2_000)</gadget>
<output>100_000</output>
<result>100_000</result>


体操表演者排成每一横行和每一竖列中的人数相同的方阵，每个方阵最外一圈有16人，若四个这样的方阵恰好可以并成一个大方阵，则大方阵的最外一圈有多少人．

Gymnastics performers are arranged in a square with the same number of people in each horizontal row and each vertical column. There are 16 people in the outermost circle of each square. If four such squares can be combined to form a large square, then How many people are there in the outermost circle of the large square.

<gadget id="calculator">10 * 4</gadget>
<output>40</output>
<gadget id="calculator">40 - 4</gadget>
<output>36</output>
<result>36</result>


甲乙两辆汽车同时开出3小时后，甲比乙多走3.3千米，已知甲每小时行驶87千米，乙的速度是多少？

After two cars A and B drive at the same time for 3 hours, A travels 3.3 kilometers longer than B. It is known that A travels 87 kilometers per hour. What is the speed of B?

<gadget id="calculator">3.3 / 3</gadget>
<output>1.1</output>
<gadget id="calculator">87 - 1.1</gadget>
<output>85.9</output>
<result>85.9</result>


要使45*□的积是三位数，□里最小应填多少．

To make the product of 45*□ be a three-digit number, what is the minimum number in □.


<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">(1/7) + (2/7)</gadget>
<output>3/7 = around 0.428571</output>
<result>3/7 = around 0.428571</result>


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


有一批影碟机原销售价为每台800元，在甲乙两家家电商场均有销售．甲商场用如下的方式促销？买一台单价为760元，买两台每台单价都为720元，依此类推，每多买一台则所买各台单价均再减少40元，但每台最低价不能低于480元；乙商场一律都按原价的80%销售．某单位如果买两台影碟机到哪家商场买合适？买5台呢？

There is a batch of video disc players whose original selling price is 800 yuan each, and are sold in both home appliance stores A and B. A shopping mall uses the following methods to promote? The unit price of buying one is 760 yuan, and the unit price of buying two is 720 yuan each, and so on. Every time you buy one more unit, the unit price of each unit you buy will be reduced by 40 yuan, but the minimum price of each unit cannot be lower than 480 yuan. ; B shopping malls are all sold at 80% of the original price. If a unit buys two DVD players, which shopping mall is suitable for them? What about buying 5 units?


把一个圆锥体浸没在棱长10厘米盛有水的正方体容器里，水面上升2厘米，这个圆锥的体积是多少立方厘米．

If a cone is submerged in a cube container filled with water with side length 10 cm, the water level rises by 2 cm, what is the volume of the cone in cubic centimeters?

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


篮球场是一个长方形，它的长是26米，宽是14米，这个篮球场的周长是多少米？

A basketball court is a rectangle with a length of 26 meters and a width of 14 meters. What is the perimeter of the basketball court in meters?

<gadget id="calculator">26 + 14</gadget>
<output>40</output>
<gadget id="calculator">40 * 2</gadget>
<output>80</output>
<result>80</result>


一条公路，甲队独修24天完成，乙队独修30天完成．甲乙两队合修若干天后，乙队停工休息，甲队继续修了6天完成，乙队修了多少天．

A road can be completed by team A in 24 days and team B in 30 days. After several days of joint repairs by teams A and B, team B stopped work and took a break. Team A continued to complete the repair for 6 days. How many days did team B spend on repairing?

<gadget id="calculator">1 / 24</gadget>
<output>1/24 = around 0.041667</output>
<gadget id="calculator">(1/24) * 6</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">(1/24) + (1/30)</gadget>
<output>3/40 = around 0.075</output>
<gadget id="calculator">(3/4) / (3/40)</gadget>
<output>10</output>
<result>10</result>


某校有学生465人，其中女生的(2/3)比男生的(4/5)少20人，那么男生比女生少多少人．

There are 465 students in a certain school, and the number of girls (2/3) is 20 fewer than that of boys (4/5), so how many fewer boys are there than girls?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">465 * (2/3)</gadget>
<output>310</output>
<gadget id="calculator">310 + 20</gadget>
<output>330</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(4/5) + (2/3)</gadget>
<output>22/15 = around 1.466667</output>
<gadget id="calculator">330 / (22/15)</gadget>
<output>225</output>
<gadget id="calculator">465 - 225 - 225</gadget>
<output>15</output>
<result>15</result>


甲和乙两个数相乘，甲数乘10，乙数乘100，积乘多少．

When two numbers A and B are multiplied, the number A is multiplied by 10, and the number B is multiplied by 100. What is the product?

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


一个半圆的周长是30.84分米，它的面积是多少平方分米．

The circumference of a semicircle is 30.84 decimeters, what is its area in square decimeters?

<gadget id="calculator">30.84 / 5.14</gadget>
<output>6</output>
<gadget id="calculator">6 ** 2</gadget>
<output>36</output>
<gadget id="calculator">36 / 2</gadget>
<output>18</output>
<gadget id="calculator">3.14 * 18</gadget>
<output>56.52</output>
<result>56.52</result>


一个圆柱体，它的底面半径是1厘米，高是10厘米，体积是多少立方厘米．

If a cylinder has a base radius of 1 cm and a height of 10 cm, what is its volume in cubic centimeters?

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">3.14 * 1 * 10</gadget>
<output>31.4</output>
<result>31.4</result>


一支铅笔原长8厘米8毫米，用去9毫米，现在这支铅笔还有多长？

The original length of a pencil is 8 cm and 8 mm, and 9 mm is used. How long is the pencil now?

<gadget id="calculator">88 - 9</gadget>
<output>79</output>
<result>79</result>


果园将15000千克苹果每15千克装一箱，平均送到40个水果商店，每个水果商店应送几箱？

The orchard packs 15,000 kilograms of apples into a box of 15 kilograms and sends them to 40 fruit stores on average. How many boxes should each fruit store send?

<gadget id="calculator">15_000 / 15 / 40</gadget>
<output>25</output>
<result>25</result>


光明小学三2班参加语文兴趣小组的有13人，参加数学兴趣小组的有20人，其中既参加语文兴趣小组又参加数学兴趣小组的有4人，一共有多少人参加了语文和数学兴趣小组．

There are 13 people in the Chinese interest group and 20 people in the mathematics interest group in Class 3 and 2 of Guangming Primary School. Among them, 4 people participated in both the Chinese interest group and the mathematics interest group. How many people participated in the Chinese and mathematics interest groups? ．

<gadget id="calculator">20 - 4</gadget>
<output>16</output>
<gadget id="calculator">13 + 16</gadget>
<output>29</output>
<result>29</result>


哥哥今年8岁，妹妹今年3岁，10年后，哥哥和妹妹相差多少岁．

The elder brother is 8 years old this year, and the younger sister is 3 years old this year. After 10 years, what is the age difference between the elder brother and the younger sister?

<gadget id="calculator">8 + 10</gadget>
<output>18</output>
<gadget id="calculator">3 + 10</gadget>
<output>13</output>
<gadget id="calculator">18 - 13</gadget>
<output>5</output>
<result>5</result>


6个数的平均数是53，有两个一样，把一个改成30，一个改成70，平均数变为58，求那两个数原来为多少．

The average of 6 numbers is 53, two of them are the same, change one to 30, one to 70, and the average to 58, find the original number of those two numbers.

<gadget id="calculator">58 - 53</gadget>
<output>5</output>
<gadget id="calculator">5 * 6</gadget>
<output>30</output>
<gadget id="calculator">70 - 30</gadget>
<output>40</output>
<gadget id="calculator">30 + 40</gadget>
<output>70</output>
<gadget id="calculator">70 / 2</gadget>
<output>35</output>
<result>35</result>


红星小学三年级一班同学们外出植树．女生56人，男生28人，每6人分成一组，可以分成多少组？

Class 1 of the third grade of Hongxing Primary School went out to plant trees. There are 56 girls and 28 boys. Every 6 people are divided into groups. How many groups can they be divided into?

<gadget id="calculator">56 + 28</gadget>
<output>84</output>
<gadget id="calculator">84 / 6</gadget>
<output>14</output>
<result>14</result>


池塘里的浮萍每天增加一倍，20天刚好长满整个池塘．长了多少天时，浮萍的面积刚好占池塘面积的八分之一．

The duckweed in the pond doubles every day, and the whole pond just grows in 20 days. After a few days of growing, the area of duckweed just accounts for one-eighth of the pond area.


一个数的(2/5)是80，这个数是多少．

(2/5) of a number is 80, what is this number?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">80 / (2/5)</gadget>
<output>200</output>
<result>200</result>


小红和小丫带同样的钱去买同一种数学作业本，两个人的钱合在一起正好花完，小红拿了12本，小丫拿了8本，最后小红又给了小丫1.2元．他们两个人买数学作业本一共花了多少钱？

Xiaohong and Xiaoya brought the same money to buy the same kind of math workbooks. The two people’s money was spent together. Xiaohong took 12 books, Xiaoya took 8 books, and finally Xiaohong gave Xiaoya another 1.2 yuan. How much did the two of them spend on math homework books?

<gadget id="calculator">12 - 8</gadget>
<output>4</output>
<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">1.2 / 2</gadget>
<output>0.6</output>
<gadget id="calculator">12 + 8</gadget>
<output>20</output>
<gadget id="calculator">0.6 * 20</gadget>
<output>12</output>
<result>12</result>


与28相邻的两个数的积是多少．

What is the product of two numbers adjacent to 28?

<gadget id="calculator">27 * 29</gadget>
<output>783</output>
<result>783</result>


食品店运进一批白糖和200千克红糖，卖出50千克白糖和80千克红糖后，剩下的红糖和白糖的千克数同样多．食品店原有白糖多少千克．

A grocery store brings in a batch of white sugar and 200 kilograms of brown sugar, and after selling 50 kilograms of white sugar and 80 kilograms of brown sugar, the remaining kilograms of brown sugar and white sugar are the same. How much is the original sugar in the food store?

<gadget id="calculator">200 - 80</gadget>
<output>120</output>
<gadget id="calculator">120 + 50</gadget>
<output>170</output>
<result>170</result>


一桶油，第一次倒出37.5%，第二倒出总数的40%，两次共倒出油31千克，这桶油原有多少千克？

For a barrel of oil, 37.5% of the oil is poured out for the first time, and 40% of the total is poured out for the second time. A total of 31 kilograms of oil is poured out twice. How many kilograms of oil does this barrel have?

<gadget id="calculator">37.5 / 100</gadget>
<output>0.375</output>
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">0.375 + (2/5)</gadget>
<output>0.775</output>
<gadget id="calculator">31 / 0.775</gadget>
<output>40</output>
<result>40</result>


建造一个长方体蓄水池，内面长4米，宽3米，深2米．如果池的四壁和地面要贴上2分米的正方形瓷砖，至少要用这样的瓷砖多少块？(不考虑破损)

Construct a cuboid water tank with a length of 4 meters, a width of 3 meters and a depth of 2 meters. If the four walls and the ground of the pool are to be pasted with square tiles of 2 decimeters, how many pieces of such tiles should be used at least? (damage is not considered)

<gadget id="calculator">4 * 3</gadget>
<output>12</output>
<gadget id="calculator">3 * 2</gadget>
<output>6</output>
<gadget id="calculator">2 * 4</gadget>
<output>8</output>
<gadget id="calculator">12 + 6 + 8</gadget>
<output>26</output>
<gadget id="calculator">26 * 2</gadget>
<output>52</output>
<gadget id="calculator">52 - 12</gadget>
<output>40</output>
<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/5) * (1/5)</gadget>
<output>1/25 = around 0.04</output>
<gadget id="calculator">40 / (1/25)</gadget>
<output>1_000</output>
<result>1_000</result>


一个最简分数，分子扩大2倍，分母缩小3倍后等于5，这个最简分数是多少．

A simple fraction, the numerator is doubled, and the denominator is reduced by 3 times is equal to 5. What is the simplest fraction?

<gadget id="calculator">2 * 3</gadget>
<output>6</output>
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<result>5/6 = around 0.833333</result>


妈妈带600元去商场，首先买了1件羊毛衫用去248元，然后再买两条120元的裤子，现在妈妈还剩下多少钱？

Mom takes 600 yuan to the mall. First, she buys a sweater for 248 yuan, and then buys two pairs of trousers for 120 yuan. How much money does mother have left now?

<gadget id="calculator">120 * 2</gadget>
<output>240</output>
<gadget id="calculator">600 - 248 - 240</gadget>
<output>112</output>
<result>112</result>


<gadget id="calculator">8.4 * 0.5</gadget>
<output>4.2</output>
<gadget id="calculator">6.8 - 4.2 - 1.6</gadget>
<output>1</output>
<gadget id="calculator">1 * 0.9</gadget>
<output>0.9</output>
<result>0.9</result>


一块正方形草地的边长是50米，如果把它的边长缩小到它的千分之一画在图纸上，图上的边长应画多少厘米？

The side length of a square lawn is 50 meters. If the side length is reduced to one-thousandth of its side length and drawn on the drawing, how many centimeters should the side length be drawn on the drawing?

<gadget id="calculator">50 / 1_000</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">(1/20) * 100</gadget>
<output>5</output>
<result>5</result>


食堂有一个圆锥形煤堆，底面直径4米，高1.2米．如果这个食堂平均每天烧煤0.314立方米，这堆煤可以烧多少天？

The canteen has a conical coal pile with a bottom diameter of 4 meters and a height of 1.2 meters. If this canteen burns an average of 0.314 cubic meters of coal per day, how many days can this pile of coal be burned?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">(1/3) * 3.14 * 4 * 1.2</gadget>
<output>5.024</output>
<gadget id="calculator">5.024 / 0.314</gadget>
<output>16</output>
<result>16</result>


一个三位数，每一位上的数字都是1、2、3中的某一个，并且相邻的两个数字不相同，一共有多少个满足条件的三位数？

A three-digit number, each digit is one of 1, 2, and 3, and the two adjacent numbers are different, how many three-digit numbers satisfy the condition?

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


小方购买一种"龙骑士"战斗陀螺，经与店主讨价还价后，只付了6元，便宜了4元，便宜了百分之几？

Xiaofang bought a "Dragon Knight" fighting top. After bargaining with the shopkeeper, he only paid 6 yuan, which was 4 yuan cheaper. How much cheaper?

<gadget id="calculator">6 + 4</gadget>
<output>10</output>
<gadget id="calculator">4 / 10</gadget>
<output>2/5 = around 0.4</output>
<result>2/5 = around 0.4</result>


一个圆柱的侧面积是37.68平方分米，高是3分米这个圆柱的底面周长是多少分米．

The lateral area of a cylinder is 37.68 square decimeters, and the height is 3 decimeters. What is the circumference of the base of this cylinder in decimeters?

<gadget id="calculator">37.68 / 3</gadget>
<output>12.56</output>
<result>12.56</result>


一个长方形的周长是30厘米，它的长是宽的2倍，宽是多少厘米？

The perimeter of a rectangle is 30 cm, its length is twice its width, what is its width in cm?

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


甲、乙两城相距288千米，一辆客车和一辆货车分别从两城同时出发，相对开出，2小时后相遇．已知客车的速度是比货车的速度快(1/4)．求客车的速度．

The distance between A and B is 288 kilometers. A passenger car and a truck depart from the two cities at the same time, drive opposite each other, and meet each other 2 hours later. It is known that the speed of passenger cars is faster than that of trucks (1/4). Find the speed of the bus.

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 + (1/4) + 1</gadget>
<output>9/4 = around 2.25</output>
<gadget id="calculator">288 / 2 / (9/4)</gadget>
<output>64</output>
<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">64 * (5/4)</gadget>
<output>80</output>
<result>80</result>


一个圆锥形铁块，底面周长18.84厘米，高5厘米，如果每立方厘米铁重7.8克，这个铁块重多少？

A conical iron block has a base circumference of 18.84 cm and a height of 5 cm. If iron weighs 7.8 grams per cubic centimeter, how much does this iron block weigh?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</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">(1/3) * 3.14 * 9 * 5</gadget>
<output>47.1</output>
<gadget id="calculator">7.8 * 47.1</gadget>
<output>367.38</output>
<result>367.38</result>


一张纸片，第一次把它撕成4片，第二次把其中一片又撕成4片，…如此下去，第9次撕后共得小纸片多少片．

A piece of paper, tear it into 4 pieces for the first time, and tear one of them into 4 pieces for the second time, and so on, how many small pieces of paper can you get after the 9th time of tearing?

<gadget id="calculator">3 * 9</gadget>
<output>27</output>
<gadget id="calculator">27 + 1</gadget>
<output>28</output>
<result>28</result>


一个等腰三角形，顶角是112°，它的两个底角都是多少．

An isosceles triangle with a vertex angle of 112°, what are its two base angles?

<gadget id="calculator">180 - 112</gadget>
<output>68</output>
<gadget id="calculator">68 / 2</gadget>
<output>34</output>
<result>34</result>


奇思有120本课外书，妙想比奇思多24本．妙想的课外书是奇思的多少．

Qisi has 120 extracurricular books, and Miaoxiang has 24 more books than Qisi. Wonderful extracurricular books are fantastic.

<gadget id="calculator">120 + 24</gadget>
<output>144</output>
<gadget id="calculator">144 / 120</gadget>
<output>6/5 = around 1.2</output>
<result>6/5 = around 1.2</result>


某玩具厂这个月的产值是150万元，比上个月增长了20%，上个月的产值是多少？

The output value of a certain toy factory this month is 1.5 million yuan, an increase of 20% from last month. What was the output value last month?

<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">150 / (6/5)</gadget>
<output>125</output>
<result>125</result>


根据比例24：8=9：3，如果第一项24-6，第二项变成多少才能使等式成立．

According to the ratio 24:8=9:3, if the first item is 24-6, how much will the second item become to make the equation true.

<gadget id="calculator">24 - 6</gadget>
<output>18</output>
<gadget id="calculator">18 * 3</gadget>
<output>54</output>
<gadget id="calculator">54 / 9</gadget>
<output>6</output>
<result>6</result>


打了100枪，击中目标63枪．求命中率．

He fired 100 shots and hit the target with 63 shots. Find the hit rate.

<gadget id="calculator">63 / 100</gadget>
<output>63/100 = around 0.63</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(63/100) * 1</gadget>
<output>63/100 = around 0.63</output>
<result>63/100 = around 0.63</result>


师徒俩要加工同样多的零件，师傅每小时加工50个，比徒弟每小时多加工10个．工作中师傅停工5小时，因此徒弟比师傅提前1小时完成任务．求两人各加工多少个零件．

Both master and apprentice have to process the same number of parts. The master processes 50 parts per hour, which is 10 more than the apprentice per hour. During work, the master stops work for 5 hours, so the apprentice completes the task 1 hour earlier than the master. Find out how many parts each of the two will make.

<gadget id="calculator">5 - 1</gadget>
<output>4</output>
<gadget id="calculator">50 - 10</gadget>
<output>40</output>
<gadget id="calculator">1 / 40</gadget>
<output>1/40 = around 0.025</output>
<gadget id="calculator">1 / 50</gadget>
<output>1/50 = around 0.02</output>
<gadget id="calculator">(1/40) - (1/50)</gadget>
<output>1/200 = around 0.005</output>
<gadget id="calculator">4 / (1/200)</gadget>
<output>800</output>
<result>800</result>


2米的(2/5)与多少的20%一样长．

2 meters (2/5) is as long as 20% of that number.

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(2/5) / (1/5)</gadget>
<output>2</output>
<gadget id="calculator">2 * 2</gadget>
<output>4</output>
<result>4</result>


小红(1/5)小时走了(7/4)千米，她走1千米需要多长时间？正确列式是多少

Xiaohong walks (7/4) kilometers in (1/5) hour, how long does it take for her to walk 1 kilometer? What is the correct column

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">7 / 4</gadget>
<output>7/4 = around 1.75</output>
<gadget id="calculator">(1/5) / (7/4)</gadget>
<output>4/35 = around 0.114286</output>
<result>4/35 = around 0.114286</result>


四年级学生小敏每天起床后要做的事情有：穿衣3分钟，整理床铺2分钟，洗脸梳头8分钟，上厕所5分钟，烧饭20分钟，吃早饭12分钟，一件事一件事去做需要50分钟．你认为最合理的安排是多少分钟？

Xiao Min, a fourth-grade student, has to do things after getting up every day: get dressed for 3 minutes, make the bed for 2 minutes, wash your face and comb your hair for 8 minutes, go to the toilet for 5 minutes, cook for 20 minutes, and eat breakfast for 12 minutes, one thing at a time It takes 50 minutes to do it. How many minutes do you think is the most reasonable schedule?

<gadget id="calculator">3 + 20 + 12</gadget>
<output>35</output>
<result>35</result>


一袋大米，第一天吃了这袋大米的(1/2)，第二天吃了是第一天的(1/2)，第二天吃了这袋大米的多少．

bag of rice, eat (1/2) of this bag of rice on the first day, eat (1/2) of the first day on the second day, how much of this bag of rice is eaten on the second day.

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(1/2) * (1/2)</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


一个加数是259，另一个加数是305，和是多少．

One addend is 259, the other is 305, what is the sum.

<gadget id="calculator">259 + 305</gadget>
<output>564</output>
<result>564</result>


一个建筑工地要按水泥、沙子、石子的比是2：3：5配混凝土，现有沙子45吨，可配混凝土多少吨．

A construction site needs to mix concrete according to the ratio of cement, sand, and gravel is 2:3:5. There are 45 tons of sand, how many tons of concrete can be mixed.

<gadget id="calculator">45 / 3</gadget>
<output>15</output>
<gadget id="calculator">2 + 3 + 5</gadget>
<output>10</output>
<gadget id="calculator">15 * 10</gadget>
<output>150</output>
<result>150</result>


(3/8)是一个数的(2/5)，求这个数，正确的列式是多少

(3/8) is a number (2/5), what is the correct column formula for this number

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(3/8) / (2/5)</gadget>
<output>15/16 = around 0.9375</output>
<result>15/16 = around 0.9375</result>


在5000内除以3余1，除以5余2，除以7余3的数共多少个．

In 5000, how many numbers have the remainder 1 when divided by 3, the remainder 2 when divided by 5, and the remainder 3 when divided by 7?

<gadget id="calculator">47 + 1</gadget>
<output>48</output>
<result>48</result>


一辆大卡车与一辆小卡车一起运送一批货物，已知大卡车运4次，小卡车运5次，共能运44吨货物，大卡车8次的运货量等于小卡车12次的运货量．小卡车每次运多少吨？

A large truck and a small truck transport a batch of goods together. It is known that the large truck transports 4 times and the small truck transports 5 times, which can transport 44 tons of goods in total. The cargo volume of the large truck 8 times is equal to that of the small truck 12 times Cargo volume. How many tons does the pickup truck carry each time?

<gadget id="calculator">44 * 2</gadget>
<output>88</output>
<gadget id="calculator">88 / 22</gadget>
<output>4</output>
<result>4</result>


甲乙两城的铁路上有9个(包括甲乙)车站，一共有多少种不同的票价．

There are 9 (including A and B) stations on the railway between A and B. How many different fares are there in total?

<gadget id="calculator">9 - 1</gadget>
<output>8</output>
<gadget id="calculator">9 * 8</gadget>
<output>72</output>
<result>72</result>


小红带一些钱去买糖果，他带的钱如果买奶糖，可以买4千克；如果买水果糖，可以买6千克．已知每千克水果糖比每千克奶糖便宜4.5元，小红带了多少元去买糖果？

Xiaohong brings some money to buy candy. With the money he brings, if he buys milk candy, he can buy 4 kilograms; if he buys fruit candy, he can buy 6 kilograms. It is known that per kilogram of fruit candy is 4.5 yuan cheaper than per kilogram of milk candy, how much yuan did Xiaohong bring to buy candy?

<gadget id="calculator">6 - 4</gadget>
<output>2</output>
<gadget id="calculator">4.5 / 2</gadget>
<output>2.25</output>
<gadget id="calculator">4 * 2.25 * 6</gadget>
<output>54</output>
<result>54</result>


用一根长48分米的铁丝做一个长方体框架，使它的长宽高的比是5：4：3，这个长方体的高是多少分米？

Use a 48 decimeter long iron wire to make a cuboid frame, so that the ratio of its length, width and height is 5:4:3, how many decimeters is the height of the cuboid?

<gadget id="calculator">48 / 4</gadget>
<output>12</output>
<gadget id="calculator">5 + 4 + 3</gadget>
<output>12</output>
<gadget id="calculator">3 / 12</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">12 * (1/4)</gadget>
<output>3</output>
<result>3</result>


两根钢管同样长，第一根用去(1/2)，第二根用去(1/2)米，剩下的部分第二根比第一根长，这是因为原来的钢管比多少米长

The two steel pipes are the same length, the first one uses (1/2) and the second one uses (1/2) meters, and the remaining part of the second one is longer than the first one, this is because the original steel pipe ratio Meter length


一块实验地里种蔬菜，黄瓜占总面积的(1/3)，茄子占总面积的(5/9)，剩下的种青椒，青椒占总面积的几分之几？

In an experimental field where vegetables are grown, cucumbers account for (1/3) of the total area, eggplants account for (5/9) of the total area, and the rest are planted with green peppers. What percentage of the total area are green peppers?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>
<gadget id="calculator">1 - (1/3) - (5/9)</gadget>
<output>1/9 = around 0.111111</output>
<result>1/9 = around 0.111111</result>


小红每分钟走75米，小生每分钟走80米．小生家到学校有720米，小红从家到学校比小生多走6分钟，小红家离学校多少米？

Xiaohong walks 75 meters per minute, and Xiaosheng walks 80 meters per minute. Xiaosheng's home is 720 meters away from school. Xiaohong walks 6 minutes longer from home to school than Xiaosheng. How far is Xiaohong's home from school?

<gadget id="calculator">720 / 80</gadget>
<output>9</output>
<gadget id="calculator">9 + 6</gadget>
<output>15</output>
<gadget id="calculator">75 * 15</gadget>
<output>1_125</output>
<result>1_125</result>


小华用200粒大豆做发芽试验，结果发芽率是99%，有多少粒种子发芽．

Xiaohua used 200 soybeans to do a germination test, and the result was that the germination rate was 99%. How many seeds germinated?

<gadget id="calculator">99 / 100</gadget>
<output>99/100 = around 0.99</output>
<gadget id="calculator">200 * (99/100)</gadget>
<output>198</output>
<result>198</result>


光年是计量天体距离的单位，1光年约9.5万亿千米．距地球最近的一颗恒星约有4.22光年，合多少万亿千米．

Light-year is the unit for measuring the distance of celestial bodies, and 1 light-year is about 9.5 trillion kilometers. The nearest star to the earth is about 4.22 light-years, which is how many trillions of kilometers.

<gadget id="calculator">4.22 * 9.5</gadget>
<output>40.09</output>
<result>40.09</result>


一个圆锥的底面半径是3厘米，高是10厘米．它的体积是多少立方厘米．

A cone has a base radius of 3 cm and a height of 10 cm. What is its volume in cubic centimeters.

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>
<gadget id="calculator">(1/3) * 3.14 * 9 * 10</gadget>
<output>94.2</output>
<result>94.2</result>


一本故事书共有185页，那么编这一本书的页码一共要多少个数字．

A story book has 185 pages in total, so how many numbers are needed to compile the page numbers of this book?

<gadget id="calculator">90 * 2</gadget>
<output>180</output>
<gadget id="calculator">186 * 3</gadget>
<output>558</output>
<gadget id="calculator">9 + 180 + 558</gadget>
<output>747</output>
<result>747</result>


书包每个售价15元，文具盒每个8元，书包和文具盒的售价总和比圆珠笔售价的7倍少5元．圆珠笔每枝售价多少元？(列方程解)

The price of schoolbags is 15 yuan each, and the price of pencil cases is 8 yuan each. The sum of the prices of schoolbags and pencil boxes is 5 yuan less than 7 times the price of ballpoint pens. How much is the price of each ballpoint pen? (Solution of column equation)

<gadget id="calculator">5 + 8 + 15</gadget>
<output>28</output>
<gadget id="calculator">28 / 7</gadget>
<output>4</output>
<result>4</result>


一辆汽车从甲地开往乙地，出发2小时后离乙地还有865千米，出发5小时后离目的地还有55千米．甲乙两地的距离是多少千米？

A car drives from place A to place B. It is 865 kilometers away from place B after 2 hours of departure, and 55 kilometers away from the destination after 5 hours of departure. What is the distance in kilometers between A and B?

<gadget id="calculator">865 - 55</gadget>
<output>810</output>
<gadget id="calculator">5 - 2</gadget>
<output>3</output>
<gadget id="calculator">810 / 3</gadget>
<output>270</output>
<gadget id="calculator">270 * 5</gadget>
<output>1_350</output>
<gadget id="calculator">1_350 + 55</gadget>
<output>1_405</output>
<result>1_405</result>


小张计划三天看完一本240页的书，第一天看了全书的(1/3)，第二天看了96页，那么小张第三天应看全书的几分之几？

Xiao Zhang plans to read a 240-page book in three days. He reads 1/3 of the whole book on the first day and 96 pages on the second day. How much of the whole book should Xiao Zhang read on the third day?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 - (1/3) - (2/5)</gadget>
<output>4/15 = around 0.266667</output>
<result>4/15 = around 0.266667</result>


已知○+△=12，△-○=6，△=多少

It is known that ○+△=12, △-○=6, △=how much

<gadget id="calculator">3 + 6</gadget>
<output>9</output>
<result>9</result>


张阿姨每周一值夜班的时间是从晚上21：00到次日早上05：00，值班时她要加工完280套童装，那张阿姨平均每小时加工多少套童装？

Aunt Zhang works the night shift every Monday from 21:00 p.m. to 05:00 the next morning. During her shift, she has to process 280 sets of children's clothing. How many sets of children's clothing does Aunt Zhang process on average per hour?

<gadget id="calculator">24 - 21</gadget>
<output>3</output>
<gadget id="calculator">5 + 3</gadget>
<output>8</output>
<gadget id="calculator">280 / 8</gadget>
<output>35</output>
<result>35</result>


甲、乙、丙三名同学参加数学竞赛，平均分86分，已知甲同学比乙同学多8分，乙同学得80分，丙得多少分？

Three students, A, B, and C, participated in a math competition, with an average score of 86 points. It is known that student A scored 8 points more than student B, and student B scored 80 points. How many points did C get?

<gadget id="calculator">86 * 3</gadget>
<output>258</output>
<gadget id="calculator">80 + 8</gadget>
<output>88</output>
<gadget id="calculator">258 - 80 - 88</gadget>
<output>90</output>
<result>90</result>


甲乙两车从同一地点出发，背向而行，甲车每小时行58.2千米，乙车每小时行49.5千米，10.5小时后，两车相距多少千米？(用两种方法解答)

Two cars, A and B, start from the same place and run in opposite directions. Car A travels 58.2 kilometers per hour, and car B travels 49.5 kilometers per hour. After 10.5 hours, how many kilometers are there between the two cars? (answer in two ways)

<gadget id="calculator">58.2 * 10.5</gadget>
<output>611.1</output>
<gadget id="calculator">49.5 * 10.5</gadget>
<output>519.75</output>
<gadget id="calculator">611.1 + 519.75</gadget>
<output>1_130.85</output>
<result>1_130.85</result>


书架上层有6本不同的故事书，下层有3本不同的科技书，如果任意取一本故事书和一本科技书，一共有多少种不同的取法．

There are 6 different storybooks on the upper shelf, and 3 different science books on the lower shelf. If you take a storybook and a science book at random, how many different ways are there in total?

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


15.32先缩小到原来的(1/10)，小数点再向右移动三位，结果是多少．

15.32 First shrink to the original (1/10), and then move the decimal point to the right three places, what is the result?


永光农机厂计划8天生产384台小型收割机，由于改进了生产技术实际每天比原计划多生产16台，实际多少天可以完成任务？

Yongguang Agricultural Machinery Factory plans to produce 384 small harvesters in 8 days. Due to the improvement of production technology, it actually produces 16 more units per day than the original plan. How many days can it actually complete the task?

<gadget id="calculator">384 / 8</gadget>
<output>48</output>
<gadget id="calculator">48 + 16</gadget>
<output>64</output>
<gadget id="calculator">384 / 64</gadget>
<output>6</output>
<result>6</result>


甲、乙两数的积是1.2，如果甲数扩大到原来的10倍，乙数也扩大到原来的10倍，那么，它们的积是多少．

The product of the two numbers A and B is 1.2, if the number A is enlarged to 10 times the original number, and the number B is also enlarged to 10 times the original number, then what is their product?

<gadget id="calculator">10 * 10</gadget>
<output>100</output>
<gadget id="calculator">1.2 * 100</gadget>
<output>120</output>
<result>120</result>


参加某次数学竞赛的女生和男生的人数比是1：3，这次竞赛的平均成绩是82分，其中男生的平均成绩是80分，女生的平均成绩是多少分

The ratio of the number of girls to boys participating in a certain mathematics competition is 1:3. The average score of this competition is 82 points. Among them, the average score of boys is 80 points. What is the average score of girls?

<gadget id="calculator">1 + 3</gadget>
<output>4</output>
<gadget id="calculator">82 * 4</gadget>
<output>328</output>
<gadget id="calculator">80 * 3</gadget>
<output>240</output>
<gadget id="calculator">328 - 240</gadget>
<output>88</output>
<result>88</result>


把560本图书按4：3的比例分发给甲、乙两个班，则甲班可分到图书多少本．

If 560 books are distributed to classes A and B at a ratio of 4:3, how many books can class A get?

<gadget id="calculator">4 + 3</gadget>
<output>7</output>
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>
<gadget id="calculator">560 * (4/7)</gadget>
<output>320</output>
<result>320</result>


三5班有46人，有一半人会打乒乓球，会打网球的有30人，两种求都不会打的有2人，两种球都会打的有几人？

There are 46 people in class 3 and 5, half of them can play table tennis, 30 can play tennis, 2 can play neither, how many can play both?

<gadget id="calculator">46 / 2</gadget>
<output>23</output>
<gadget id="calculator">46 - 2</gadget>
<output>44</output>
<gadget id="calculator">30 - 44</gadget>
<output>-14</output>
<gadget id="calculator">23 + (-14)</gadget>
<output>9</output>
<result>9</result>


一付乒乓球拍的价钱比一副羽毛球拍贵19元．乒乓球拍的价钱是羽毛球拍的1.5倍，一副乒乓球拍多少元？

A pair of table tennis rackets is 19 yuan more expensive than a pair of badminton rackets. The price of a table tennis racket is 1.5 times that of a badminton racket. How much is a pair of table tennis rackets?

<gadget id="calculator">1.5 - 1</gadget>
<output>0.5</output>
<gadget id="calculator">19 / 0.5</gadget>
<output>38</output>
<gadget id="calculator">38 * 1.5</gadget>
<output>57</output>
<result>57</result>


大圆直径是4cm，小圆直径是2cm，大圆周长是小圆周长的多少倍，小圆面积是大圆面积的((())/(()))．

The diameter of the large circle is 4cm, the diameter of the small circle is 2cm, the circumference of the large circle is how many times the circumference of the small circle, and the area of the small circle is ((())/(())).


一堆煤，第一天运走的吨数与剩下吨数的比是1：3，第二天运走4.5吨，两天正好运走了总吨数的(2/5)，这堆煤共有多少吨？

For a pile of coal, the ratio of the tonnage removed on the first day to the remaining tonnage is 1:3, and 4.5 tons are removed on the second day, which is exactly (2/5) of the total tonnage removed in two days. How many tons of coal are there?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 + 3</gadget>
<output>4</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(2/5) - (1/4)</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">4.5 / (3/20)</gadget>
<output>30</output>
<result>30</result>


现在3年定期存款利率是2.70%，到期后还要扣20%的利息税，爸爸存1000元的3年利息，到期后可以取出多少元．

Now the interest rate of the 3-year fixed deposit is 2.70%, and 20% of the interest tax will be deducted after the maturity. Dad deposits 1,000 yuan for the 3-year interest, how much can he withdraw after the maturity.

<gadget id="calculator">2.7 / 100</gadget>
<output>0.027</output>
<gadget id="calculator">1_000 * 0.027 * 3</gadget>
<output>81</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">81 * (4/5)</gadget>
<output>324/5 = around 64.8</output>
<gadget id="calculator">(324/5) + 1_000</gadget>
<output>5_324/5 = around 1_064.8</output>
<result>5_324/5 = around 1_064.8</result>


已知a*b-1=x，其中a、b为质数且均小于100，x是奇数，那么x的最大值是多少．

It is known that a*b-1=x, where a and b are prime numbers and both are less than 100, and x is an odd number, then what is the maximum value of x.

<gadget id="calculator">2 * 97</gadget>
<output>194</output>
<gadget id="calculator">194 - 1</gadget>
<output>193</output>
<result>193</result>


<gadget id="calculator">379_000 / 125 / 8</gadget>
<output>379</output>
<result>379</result>


两根水管向水池放水，第一根水管每小时放水2.5吨，放了4吨后第二根水管才开始放，第二根水管每小时放水3.3吨，第二根水管放了几小时后，两根水管放水的吨数相等？

Two water pipes discharge water to the pool. The first water pipe discharges 2.5 tons of water per hour. After 4 tons, the second water pipe starts to discharge. The second water pipe discharges 3.3 tons of water per hour. After the second water pipe is discharged for a few hours, The tonnage of water released by the two water pipes is equal?

<gadget id="calculator">3.3 - 2.5</gadget>
<output>0.8</output>
<gadget id="calculator">4 / 0.8</gadget>
<output>5</output>
<result>5</result>


把5克食盐溶解在35克水中，食盐与盐水重量的百分比是多少

Dissolve 5 grams of table salt in 35 grams of water, what is the weight percentage of table salt and brine

<gadget id="calculator">35 + 5</gadget>
<output>40</output>
<gadget id="calculator">5 / 40</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(1/8) * 1</gadget>
<output>1/8 = around 0.125</output>
<result>1/8 = around 0.125</result>


将原有的水果卖出(2/5)后，又购进120千克．现在的水果比原来还少(4/15)，原有水果多少千克？

After selling the original fruit (2/5), buy another 120 kg. The current fruit is less than the original (4/15), how many kilograms of the original fruit?

<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 - (4/15) - (3/5)</gadget>
<output>2/15 = around 0.133333</output>
<gadget id="calculator">120 / (2/15)</gadget>
<output>900</output>
<result>900</result>


甲乙两车同时从A地开往B地，行完全程甲车要10小时，乙车要15小时，当甲车到达B地后，立即返回在距B地72千米处与乙车相遇，求AB两地相距多少千米？

Two cars, A and B, drive from point A to point B at the same time. It takes 10 hours for car A and 15 hours for car B to complete the journey. When car A arrives at point B, it returns immediately and meets car B at a distance of 72 kilometers from point B. Find the distance between AB and AB in kilometers?

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/10) / (1/15)</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">(3/2) * 72</gadget>
<output>108</output>
<gadget id="calculator">108 + 72</gadget>
<output>180</output>
<gadget id="calculator">(3/2) - 1</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">180 / (1/2)</gadget>
<output>360</output>
<result>360</result>


一种报纸每月一期，每期订费0.5元，一个班一部分人订全年，另一部分人订半年，全班订报费一共是234元；如果订全年的人改订半年，订半年的人改订全年，全班订报费一共是198元，这个班有多少人．

kind of newspaper has one issue per month, and the subscription fee for each issue is 0.5 yuan. Some people in a class subscribe for a whole year, and others subscribe for half a year. The total subscription fee for the whole class is 234 yuan; The whole class subscription fee is 198 yuan. How many people are there in this class?

<gadget id="calculator">234 + 198</gadget>
<output>432</output>
<gadget id="calculator">432 / 1.5</gadget>
<output>288</output>
<gadget id="calculator">0.5 * 12</gadget>
<output>6</output>
<gadget id="calculator">288 / 6</gadget>
<output>48</output>
<result>48</result>


父亲比儿子大30岁，明年父亲的年龄是儿子的3倍，那么今年儿子多少岁．

The father is 30 years older than the son, and next year the father will be three times as old as the son, so how old is the son this year?

<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">30 / 2</gadget>
<output>15</output>
<gadget id="calculator">15 - 1</gadget>
<output>14</output>
<result>14</result>


9台织布机2.5小时可织布119.25m，照这样计算，平均每台织布机1小时织布多少米？

9 looms can weave 119.25m of cloth in 2.5 hours. According to this calculation, how many meters of cloth can each loom weave in 1 hour on average?

<gadget id="calculator">119.25 / 9 / 2.5</gadget>
<output>5.3</output>
<result>5.3</result>


一只蜗牛从5米深的井底向上爬，它白天爬上来2米，晚上又滑下1米，多少天才能爬到井口．

A snail climbs up from the bottom of a well that is 5 meters deep. It climbs up 2 meters during the day and slides down 1 meter at night. How many days does it take to reach the mouth of the well?

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


某工厂五月份计划生产一批零件，上半月完成了计划的(7/12)，下半月完成了计划的(3/5)，结果实际比计划多生产了440个．五月份计划生产零件多少个？

A factory planned to produce a batch of parts in May, completed the planned (7/12) in the first half of the month, and completed the planned (3/5) in the second half of the month, and actually produced 440 more parts than planned. How many parts do you plan to produce in May?

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(3/5) - 1</gadget>
<output>-2/5 = around -0.4</output>
<gadget id="calculator">(7/12) + (-2/5)</gadget>
<output>11/60 = around 0.183333</output>
<gadget id="calculator">440 / (11/60)</gadget>
<output>2_400</output>
<result>2_400</result>


把一个圆柱削成与它等底等高的圆锥，削去部分的体积是12.56立方厘米，那么圆锥的体积是多少立方厘米．

If a cylinder is cut into a cone with the same base and height, the volume of the cut part is 12.56 cubic centimeters, what is the volume of the cone in cubic centimeters?

<gadget id="calculator">12.56 / 2</gadget>
<output>6.28</output>
<result>6.28</result>


两个边长是10厘米的正方形拼成一个长方形，周长是多少厘米．

If two squares with side lengths of 10 cm are put together to form a rectangle, what is the perimeter in cm?

<gadget id="calculator">10 + 10 + 10</gadget>
<output>30</output>
<gadget id="calculator">30 * 2</gadget>
<output>60</output>
<result>60</result>


一种中成药有300粒，如果每次吃15粒，每天吃2次，这些药能吃多少天．

A Chinese patent medicine has 300 capsules. If you take 15 capsules each time, twice a day, how many days can you take these medicines?

<gadget id="calculator">15 * 2</gadget>
<output>30</output>
<gadget id="calculator">300 / 30</gadget>
<output>10</output>
<result>10</result>


在一幅比例尺是1：5000000的地图上量得甲地到乙地的距离是3.4cm，一辆列车从甲地开往乙地，每小时行驶50千米．几小时到达？

On a map with a scale of 1:5000000, the distance from A to B is 3.4cm. A train travels from A to B at 50 kilometers per hour. How many hours to arrive?

<gadget id="calculator">1 / 5_000_000</gadget>
<output>1/5_000_000 = around 0</output>
<gadget id="calculator">3.4 / (1/5_000_000) / 100_000 / 50</gadget>
<output>3.4</output>
<result>3.4</result>


五年级一班有女生36人，比男生的人数多(1/8)，全班一共有多少人？

There are 36 girls in Class 1 of Grade 5, which is 1/8 more than boys. How many people are there in the whole class?

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">1 + (1/8)</gadget>
<output>9/8 = around 1.125</output>
<gadget id="calculator">36 / (9/8)</gadget>
<output>32</output>
<gadget id="calculator">32 + 36</gadget>
<output>68</output>
<result>68</result>


一个正方形的棱长增加了3倍，则它的表面积增加了多少倍

If the length of the sides of a square is tripled, how many times does its surface area increase?

<gadget id="calculator">2 * 4</gadget>
<output>8</output>
<gadget id="calculator">8 ** 2</gadget>
<output>64</output>
<gadget id="calculator">6 * 64</gadget>
<output>384</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">6 * 4</gadget>
<output>24</output>
<gadget id="calculator">384 / 24</gadget>
<output>16</output>
<gadget id="calculator">16 - 1</gadget>
<output>15</output>
<result>15</result>


一台洗衣机现在每台售价1365元，比原来降低了三成五，原价是多少

A washing machine is now priced at 1365 yuan each, which is 35% lower than before. What is the original price

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>
<gadget id="calculator">1 - (7/20)</gadget>
<output>13/20 = around 0.65</output>
<gadget id="calculator">1_365 / (13/20)</gadget>
<output>2_100</output>
<result>2_100</result>


小明在写一个小数时，不小心把小数点的位置写错了，写成0.085．原数比现在的数多99倍．原数是多少？

When Xiao Ming was writing a decimal, he accidentally wrote the wrong position of the decimal point and wrote it as 0.085. The original number is 99 times larger than the current number. What is the original number?

<gadget id="calculator">99 + 1</gadget>
<output>100</output>
<gadget id="calculator">0.085 * 100</gadget>
<output>8.5</output>
<result>8.5</result>


一次智力竞赛有20题，规定每答对一题得5分，每答错一题反扣2分．小华答完全部题得了72分．小华答对了多少题．

There are 20 questions in a quiz, and it is stipulated that each correct answer will get 5 points, and each wrong answer will deduct 2 points. Xiaohua answered all the questions and scored 72 points. How many questions did Xiaohua answer correctly?

<gadget id="calculator">20 * 5</gadget>
<output>100</output>
<gadget id="calculator">100 - 72</gadget>
<output>28</output>
<gadget id="calculator">5 + 2</gadget>
<output>7</output>
<gadget id="calculator">28 / 7</gadget>
<output>4</output>
<gadget id="calculator">20 - 4</gadget>
<output>16</output>
<result>16</result>


某气象站在2时、6时、10时、14时、18时、20时记录的气温分别是10℃、14℃、18℃、20℃、19℃、15℃．这天的平均气温是多少摄氏度？

The temperature recorded by a weather station at 2:00, 6:00, 10:00, 14:00, 18:00, and 20:00 is 10°C, 14°C, 18°C, 20°C, 19°C, and 15°C, respectively. What is the average temperature in celsius today?

<gadget id="calculator">10 + 14 + 18 + 20 + 19 + 15</gadget>
<output>96</output>
<gadget id="calculator">96 / 6</gadget>
<output>16</output>
<result>16</result>


把表面积是12平方厘米的正方体木块放在桌上，木块所占桌面面积是多少平方厘米

If a cube of wood with a surface area of 12 square centimeters is placed on a table, what is the area of the table in square centimeters occupied by the wood block?

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


<gadget id="calculator">2_011 * 335</gadget>
<output>673_685</output>
<result>673_685</result>


一堆煤，用去总数的(2/5)，这时剩下6吨，这堆煤共有多少吨？

A pile of coal uses up (2/5) of the total amount, leaving 6 tons. How many tons does this pile of coal have?

<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">6 / (3/5)</gadget>
<output>10</output>
<result>10</result>


一条绳子剪掉它的(1/5)，再接上40米，结果正好与原来一样长．这条绳子原来长多少米．

A piece of rope is cut off (1/5), and then connected to 40 meters, the result is exactly the same length as the original. How long is this rope in meters?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">40 / (1/5)</gadget>
<output>200</output>
<result>200</result>


甲车每小时行驶60km，比乙车每小时行驶路段的(6/7)少6km，乙车每小时行驶多少km？(用方程解)

Car A travels 60km per hour, which is 6km less than the section (6/7) traveled by car B per hour. How many kilometers does car B travel per hour? (solution by equation)

<gadget id="calculator">60 + 6</gadget>
<output>66</output>
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>
<gadget id="calculator">66 / (6/7)</gadget>
<output>77</output>
<result>77</result>


<gadget id="calculator">126 - 122</gadget>
<output>4</output>
<gadget id="calculator">4 * 25</gadget>
<output>100</output>
<gadget id="calculator">1 + 100</gadget>
<output>101</output>
<result>101</result>


某商场以每台1800元的相同价格出售两部手机，其中一部盈利20%，另一部亏损20%，则结果是盈利，还是亏损？

A shopping mall sells two mobile phones at the same price of 1,800 yuan each, and one of them makes a profit of 20% while the other loses 20%. Is the result a profit or a loss?

<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_800 / (4/5)</gadget>
<output>2_250</output>
<gadget id="calculator">2_250 - 1_800</gadget>
<output>450</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">1_800 / (6/5)</gadget>
<output>1_500</output>
<gadget id="calculator">1_800 - 1_500</gadget>
<output>300</output>
<gadget id="calculator">450 - 300</gadget>
<output>150</output>
<result>150</result>


在一个底面积为300平方厘米的正方体铸铁中，以相对的两面为底，挖出一个最大的圆柱，然后在剩下的铸铁表面涂上油漆．求涂油漆的面积是多少？

In a cube cast iron with a base area of 300 square centimeters, dig out the largest cylinder with the opposite sides as the base, and then paint the remaining cast iron surface. What is the area to be painted?

<gadget id="calculator">2 + 4</gadget>
<output>6</output>
<gadget id="calculator">300 * 6</gadget>
<output>1_800</output>
<gadget id="calculator">3.14 * 75 * 2</gadget>
<output>471</output>
<gadget id="calculator">1_800 - 471</gadget>
<output>1_329</output>
<gadget id="calculator">4 * 3.14 * 75</gadget>
<output>942</output>
<gadget id="calculator">1_329 + 942</gadget>
<output>2_271</output>
<result>2_271</result>


一个长方体橡皮泥，底面积是15平方厘米，高是8厘米．如果把它捏成同样底面大小的圆锥，这个圆锥的高是多少厘米．

A cuboid of plasticine has a base area of 15 cm2 and a height of 8 cm. If it is squeezed into a cone with the same base size, what is the height of the cone in centimeters?

<gadget id="calculator">3 / 15</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">15 * 8 * (1/5)</gadget>
<output>24</output>
<result>24</result>


五年级参加数学竞赛的人数占全校总人数的(1/3)，四年级参加的人数比五年级少(1/4)，两个年级参加的人数占全校参加人数的几分之几？

The number of people who participated in the mathematics competition in the fifth grade accounted for (1/3) of the total number of students in the school, and the number of people who participated in the fourth grade was less than that of the fifth grade (1/4).

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">(1/3) * (3/4)</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/3) + (1/4)</gadget>
<output>7/12 = around 0.583333</output>
<result>7/12 = around 0.583333</result>


用40元钱购买单价分别为2元、5元和11元的三种练习本，每种至少买一本，而且钱恰好花完．则不同的购买方法有多少种．

Use 40 yuan to buy three kinds of exercise books with unit prices of 2 yuan, 5 yuan and 11 yuan, at least one of each kind, and the money is just spent. How many different purchasing methods are there?

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


8与2.4的和乘15.6除以0.52的商，积是多少？

What is the product of the sum of 8 and 2.4 times 15.6 divided by 0.52?

<gadget id="calculator">8 + 2.4</gadget>
<output>10.4</output>
<gadget id="calculator">15.6 / 0.52</gadget>
<output>30</output>
<gadget id="calculator">10.4 * 30</gadget>
<output>312</output>
<result>312</result>


一项工作，4月1日开工，原定一个月完成，实际4月25日完成预定任务，按这种速度继续工作到4月30日，将超额完成多少．

job started on April 1st and was originally scheduled to be completed in one month, but the scheduled task was actually completed on April 25th. If we continue to work at this speed until April 30th, how much will be overfulfilled?

<gadget id="calculator">1 / 25</gadget>
<output>1/25 = around 0.04</output>
<gadget id="calculator">(1/25) * 30</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">(1/5) / 1</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


有8盆花，一排放2盆，另一排放几盆？

There are 8 pots of flowers, 2 pots in one row, and how many pots in the other row?

<gadget id="calculator">8 - 2</gadget>
<output>6</output>
<result>6</result>


妈妈打一本书稿，前2天打了全书的10%，照这样计算，余下部分还要打多少天？

Mom typed a manuscript, and typed 10% of the whole book in the first two days. According to this calculation, how many days will it take to type the rest?

<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">(1/10) / 2</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">(9/10) / (1/20)</gadget>
<output>18</output>
<result>18</result>


光明小学有学生750人，到军事博物馆参观的有735人，到军事博物馆参观的人数占全校人数的百分之几？

There are 750 students in Guangming Primary School, and 735 people visited the military museum. What percentage of the school's total number of people visited the military museum?

<gadget id="calculator">735 / 750</gadget>
<output>49/50 = around 0.98</output>
<result>49/50 = around 0.98</result>


6的5倍与3的7倍的和是多少．

What is the sum of 5 times 6 and 7 times 3?

<gadget id="calculator">6 * 5</gadget>
<output>30</output>
<gadget id="calculator">3 * 7</gadget>
<output>21</output>
<gadget id="calculator">30 + 21</gadget>
<output>51</output>
<result>51</result>


为了让人们感受随地丢弃废电池对环境造成的影响，某班环保小组的6名同学记录了自己一学期内用完的电池数量，结果为(单位：节)：33，25，28，26，25，31．如果该班有45名学生，那么根据提供的数据，可以估计一学期内全班同学总共用完的电池数量约为多少个

In order to let people feel the impact of discarding waste batteries anywhere on the environment, 6 students in an environmental protection group recorded the number of batteries they used up in one semester, and the results were (unit: knot): 33, 25, 28, 26, 25,31. If there are 45 students in the class, based on the data provided, it can be estimated that the total number of batteries used up by the whole class in one semester is approximately

<gadget id="calculator">33 + 25 + 28 + 26 + 25 + 31</gadget>
<output>168</output>
<gadget id="calculator">168 / 6</gadget>
<output>28</output>
<gadget id="calculator">28 * 45</gadget>
<output>1_260</output>
<result>1_260</result>


一本课外书140页，萍萍读的页数正好是剩下页数的(3/7)，还剩多少页没有读？(用方程解答)

An extra-curricular book has 140 pages. The number of pages that Pingping read is exactly 3/7 of the remaining pages. How many pages are left unread? (solution with equation)

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">(3/7) + 1</gadget>
<output>10/7 = around 1.428571</output>
<gadget id="calculator">140 / (10/7)</gadget>
<output>98</output>
<result>98</result>


耕一块地，第一天耕的比这块地的(2/3)多2公顷，第二天耕的比剩下的(1/2)少1公顷，这时还剩下38公顷没有耕，这块地一共有多少公顷．

To cultivate a piece of land, on the first day, 2 hectares are cultivated more than (2/3) of the land, and on the second day, 1 hectare is less than the rest (1/2), so there are still 38 hectares left uncultivated , How many hectares does this land have in total?

<gadget id="calculator">38 - 1</gadget>
<output>37</output>
<gadget id="calculator">1 / 2</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">37 / (1/2)</gadget>
<output>74</output>
<gadget id="calculator">74 + 2</gadget>
<output>76</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">76 / (1/3)</gadget>
<output>228</output>
<result>228</result>


水果小贩以每千克6.8元的价格批发进50千克苹果，零售出去后，总质量减少了4%，净赚了63.2元．小贩的零售价是多少元？

The fruit vendor wholesales 50 kilograms of apples at a price of 6.8 yuan per kilogram. After retailing them, the total quality is reduced by 4%, and the net profit is 63.2 yuan. How much is the retail price of the hawker?

<gadget id="calculator">6.8 * 50</gadget>
<output>340</output>
<gadget id="calculator">340 + 63.2</gadget>
<output>403.2</output>
<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>
<gadget id="calculator">1 - (1/25)</gadget>
<output>24/25 = around 0.96</output>
<gadget id="calculator">50 * (24/25)</gadget>
<output>48</output>
<gadget id="calculator">403.2 / 48</gadget>
<output>8.4</output>
<result>8.4</result>


一块长方形菜地，长24.5米，宽17米，如果每棵白菜战地0.25平方米．这块菜地能种白菜多少棵？

A rectangular vegetable field is 24.5 meters long and 17 meters wide. If each cabbage field is 0.25 square meters. How many cabbages can be grown in this vegetable field?

<gadget id="calculator">17 / 0.25</gadget>
<output>68</output>
<gadget id="calculator">24.5 * 68</gadget>
<output>1_666</output>
<result>1_666</result>


织布厂三个车间，第一车间织布的米数比第二车间多(1/4)，是第三车间的80%，已知第二车间织布1200米，求第三车间织布多少米？

There are three workshops in the weaving factory. The number of meters weaved by the first workshop is 1/4 more than that of the second workshop, which is 80% of that of the third workshop. It is known that the second workshop weaves 1200 meters. Find the third workshop to weave How much rice?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(5/4) / (4/5)</gadget>
<output>25/16 = around 1.5625</output>
<gadget id="calculator">1_200 * (25/16)</gadget>
<output>1_875</output>
<result>1_875</result>


甲、乙两辆汽车的速度比是4：5，它们同时从两地出发相向而行，若干小时后相遇，相遇地点离甲车出发地60千米．求两地间的路程．

The speed ratio of two cars, A and B, is 4:5. They start from two places at the same time and go toward each other. After a few hours, they meet at a place 60 kilometers away from the place where A started. Find the distance between the two places.

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">60 * (5/4)</gadget>
<output>75</output>
<gadget id="calculator">75 + 60</gadget>
<output>135</output>
<result>135</result>


在一道有余数的除法试题中，除数是7，商是21，余数最大是多少．

In a division question with a remainder, the divisor is 7, the quotient is 21, what is the largest remainder?

<gadget id="calculator">7 - 1</gadget>
<output>6</output>
<result>6</result>


农民伯伯摘了苹果和梨子各125筐，每筐苹果重54千克，每筐梨子重46千克，农民伯伯摘来的苹果和梨子共多少千克？

The farmer picked 125 baskets of apples and 125 pears each. Each basket weighed 54 kilograms of apples, and each basket weighed 46 kilograms of pears. How many kilograms did the farmer pick of apples and pears?

<gadget id="calculator">46 + 54</gadget>
<output>100</output>
<gadget id="calculator">100 * 125</gadget>
<output>12_500</output>
<result>12_500</result>


被减数+减数+差=80，被减数是多少

Minuend + Minuend + Difference = 80, what is the Minuend

<gadget id="calculator">80 / 2</gadget>
<output>40</output>
<result>40</result>


学校准备发练习本，发给15个班，每班144本，全校还需要留60本作为备用．学校应买多少本练习本？

The school is going to distribute exercise books to 15 classes, each class has 144 copies, and the whole school needs to keep 60 copies as spares. How many exercise books should schools buy?

<gadget id="calculator">144 * 15</gadget>
<output>2_160</output>
<gadget id="calculator">2_160 + 60</gadget>
<output>2_220</output>
<result>2_220</result>


用圆规画圆，圆规两脚间的距离为2.5厘米，这个圆的面积是多少．

Draw a circle with a compass. The distance between the two feet of the compass is 2.5 cm. What is the area of the circle?

<gadget id="calculator">2.5 ** 2</gadget>
<output>6.25</output>
<gadget id="calculator">3.14 * 6.25</gadget>
<output>19.625</output>
<result>19.625</result>


甲地的海拔高度是35米，乙地的海拔高度是15米，两地海拔高度相差多少米

The altitude of land A is 35 meters, and the altitude of land B is 15 meters. What is the difference in altitude between the two places?

<gadget id="calculator">35 - 15</gadget>
<output>20</output>
<result>20</result>


一个三角形的面积是4.6平方厘米，与它等底等高的平行四边形的面积是多少平方厘米．

If the area of a triangle is 4.6 square centimeters, what is the area of a parallelogram with the same base and height as it?

<gadget id="calculator">4.6 * 2</gadget>
<output>9.2</output>
<result>9.2</result>


一桶油，一次用去它的(1/3)，第二次用去它的25%，第一次比第二次多用8千克，这桶油原有多少千克？

For a barrel of oil, 1/3 of it is used at one time, and 25% of it is used at the second time. The first time uses 8 kilograms more than the second time. How many kilograms does this barrel of oil have?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/3) - (1/4)</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">8 / (1/12)</gadget>
<output>96</output>
<result>96</result>


李师傅计划8天检测2400个零件，现在要多检测160个，同样要在8天完成，现在每天要比原计划多检测多少个？

Master Li plans to inspect 2,400 parts in 8 days, and now he needs to inspect 160 more parts, which also needs to be completed in 8 days. How many more parts are inspected every day than the original plan?

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


(1/5)的分母加上10，要使分数的大小不变，分母应加上多少．

Add 10 to the denominator of (1/5), how much should be added to the denominator to keep the size of the fraction constant.

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


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


小明11岁生日到了，妈妈给她点燃了11根蜡烛，小明一口气吹灭了9根，吹灭的蜡烛占总数的几分之几．

Xiao Ming's 11th birthday is coming, his mother lights 11 candles for her, and Xiao Ming blows out 9 of them in one breath, what fraction of the total number of candles are blown out?

<gadget id="calculator">9 / 11</gadget>
<output>9/11 = around 0.818182</output>
<result>9/11 = around 0.818182</result>


被减数、减数、差之和为80，减数与差相等，减数是多少．

The sum of the minuend, the subtrahend and the difference is 80, the subtrahend and the difference are equal, what is the subtrahend.

<gadget id="calculator">80 / 2</gadget>
<output>40</output>
<gadget id="calculator">40 / 2</gadget>
<output>20</output>
<result>20</result>


客车和货车分别从甲乙两地同时出发，相向而行，它们速度的比是5：3，经过4小时相遇．客车从甲地到达乙地一共要用多少小时？

A passenger car and a freight car respectively depart from A and B at the same time and drive toward each other. The ratio of their speeds is 5:3, and they meet after 4 hours. How many hours does it take for the bus to travel from A to B?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">5 + 3</gadget>
<output>8</output>
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">(1/4) * (5/8)</gadget>
<output>5/32 = around 0.15625</output>
<gadget id="calculator">1 / (5/32)</gadget>
<output>32/5 = around 6.4</output>
<result>32/5 = around 6.4</result>


一件西服现价240元，现在价格比原来降低了(1/5)，原来的价格是多少元？

The current price of a suit is 240 yuan. Now the price is lower than the original price (1/5). How much is the original price?

<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">240 / (4/5)</gadget>
<output>300</output>
<result>300</result>


一个立方体的表面积是54平方分米，体积是多少立方分米．

If the surface area of a cube is 54 square decimeters, what is the volume in cubic decimeters?

<gadget id="calculator">3 * 3 * 3</gadget>
<output>27</output>
<result>27</result>


有大小两个圆，已知小圆周长是大圆周长的(3/4)，如果大圆面积是12.56cm**2，求小圆的面积？

There are two circles, large and small. It is known that the circumference of the small circle is (3/4) the circumference of the large circle. If the area of the large circle is 12.56cm**2, what is the area of the small circle?

<gadget id="calculator">2 * 2</gadget>
<output>4</output>
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">2 * (3/4)</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">(3/2) ** 2</gadget>
<output>9/4 = around 2.25</output>
<gadget id="calculator">(9/4) * 3.14</gadget>
<output>7.065</output>
<result>7.065</result>


一个正方形与一个等腰三角形的周长相等，这个三角形的腰长为7.5厘米，底边长比两腰之和少6厘米，这个正方形的面积是多少．

The perimeter of a square is equal to that of an isosceles triangle. The length of the side of this triangle is 7.5 cm, and the length of the base is 6 cm less than the sum of the two sides. What is the area of the square?

<gadget id="calculator">15 + 11</gadget>
<output>26</output>
<gadget id="calculator">26 / 4</gadget>
<output>13/2 = around 6.5</output>
<gadget id="calculator">(13/2) * (13/2)</gadget>
<output>169/4 = around 42.25</output>
<result>169/4 = around 42.25</result>


学校买来一批练习册，分给24个班，每班46本，还剩434本，学校买来多少本练习册？

The school bought a batch of exercise books and distributed them to 24 classes. Each class had 46 copies, and there were 434 copies left. How many exercise books did the school buy?

<gadget id="calculator">24 * 46</gadget>
<output>1_104</output>
<gadget id="calculator">1_104 + 434</gadget>
<output>1_538</output>
<result>1_538</result>


有一个三位数其十位数字是0，数字和是11，若此数加上297，由得到这个数的倒转数，(就是原数的百位数字和个位数字交换位置)，那么原三位数是多少．

There is a three-digit number whose tens digit is 0, and the sum of the numbers is 11. If this number is added to 297, the reverse number of this number is obtained (that is, the hundreds digit and the ones digit of the original number are exchanged), then the original What is the three digit number.


一个圆形花坛的半径是3米，在花坛一周铺一条宽1米的碎石小路，小路的面积是多少平方米．

The radius of a circular flower bed is 3 meters. A gravel path with a width of 1 meter is paved around the flower bed. What is the area of the path in square meters?

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


35和140的最小公倍数是多少

What is the least common multiple of 35 and 140

<gadget id="calculator">35 * 4</gadget>
<output>140</output>
<result>140</result>


一架飞机以每小时875千米的速度从甲地飞往乙地后，立即在空中掉头，以每小时700千米的速度按原路飞回甲地，一共用了6.75小时．甲、乙两地的空中距离是多少千米？

After an airplane flies from A to B at a speed of 875 kilometers per hour, it immediately turns around in the air and flies back to A at a speed of 700 kilometers per hour, taking a total of 6.75 hours. What is the air distance between A and B in kilometers?

<gadget id="calculator">4 + 5</gadget>
<output>9</output>
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">6.75 * (4/9) * 875</gadget>
<output>2_625</output>
<result>2_625</result>


甲乙两人同时从相距100千米的两地出发，相向而行．甲每小时行6千米，乙每小时行4千米，甲带着一条狗，狗每小时行10千米．狗与甲同时出发，碰到乙后掉头朝甲走；碰到甲后又掉头朝乙走…直到两人相遇．这条狗一共走了多少千米？

and B start from two places 100 kilometers apart at the same time and walk toward each other. A travels 6 kilometers per hour, B travels 4 kilometers per hour, A takes a dog, and the dog travels 10 kilometers per hour. The dog and A start at the same time, and when they meet B, they turn around and walk towards A; when they meet A, they turn around and walk towards B again...until the two meet. How many kilometers did the dog walk in total?

<gadget id="calculator">6 + 4</gadget>
<output>10</output>
<gadget id="calculator">10 * 10</gadget>
<output>100</output>
<result>100</result>


一个质数的3倍和一个质数的2倍之和等于2000，那么这两个质数之和是多少？

The sum of 3 times a prime number and 2 times a prime number is 2000, what is the sum of these two prime numbers?

<gadget id="calculator">2 * 3</gadget>
<output>6</output>
<gadget id="calculator">2_000 - 6</gadget>
<output>1_994</output>
<gadget id="calculator">1_994 / 2</gadget>
<output>997</output>
<gadget id="calculator">997 + 2</gadget>
<output>999</output>
<result>999</result>


<gadget id="calculator">200 - 160</gadget>
<output>40</output>
<gadget id="calculator">40 / 160</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


一辆货车每小时行70千米，相当于客车速度的(7/8)．现两车同时从甲、乙两地相对开出，结果在距离中点50千米处相遇．甲乙两地相距多少千米．

A truck travels 70 kilometers per hour, which is equivalent to (7/8) the speed of a passenger car. Now two cars drive from A and B oppositely at the same time, and finally meet at a distance of 50 kilometers from the midpoint. How many kilometers are there between A and B?

<gadget id="calculator">8 + 7</gadget>
<output>15</output>
<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(8/15) - (1/2)</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">50 / (1/30)</gadget>
<output>1_500</output>
<result>1_500</result>


用0、2、9这三个数字可组成多少个没有重复的三位数．

How many three-digit numbers can be formed using the three numbers 0, 2, and 9 without repetition.

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


每年的7月和8月一共有多少天．

How many days are there in July and August each year?

<gadget id="calculator">31 + 31</gadget>
<output>62</output>
<result>62</result>


一个表面积为240的正方体被平均切开成8个同样大小的小正方体，每个小正方体的表面积是多少c㎡．

A cube with a surface area of 240 is averagely cut into 8 small cubes of the same size. What is the surface area of each small cube in cm2?

<gadget id="calculator">240 / 6 / 4</gadget>
<output>10</output>
<gadget id="calculator">10 * 6</gadget>
<output>60</output>
<result>60</result>


一幢高16层的楼房，一楼的层高是4.5米，其余每层的层高都是3.2米，这幢楼高多少米？

In a 16-storey building, the height of the first floor is 4.5 meters, and the height of each other floor is 3.2 meters. How many meters is this building?

<gadget id="calculator">16 - 1</gadget>
<output>15</output>
<gadget id="calculator">15 * 3.2</gadget>
<output>48</output>
<gadget id="calculator">4.5 + 48</gadget>
<output>52.5</output>
<result>52.5</result>


一个圆锥与一个圆柱的底面积相等，已知圆锥与圆柱的体积比是1：6，圆锥的高是4.8厘米，则圆柱的高是多少厘米．

cone has the same base area as a cylinder. It is known that the volume ratio of the cone to the cylinder is 1:6. The height of the cone is 4.8 cm. What is the height of the cylinder in cm?


把一根2米长的绳子连续对折3次，平均分成若干段，每段占全长的((())/(()))，每段长多少厘米．

Fold a 2-meter-long rope in half three times in a row, and divide it into several sections on average. Each section accounts for ((())/(())) of the total length. What is the length of each section in centimeters?

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">2 * 100 * (1/8)</gadget>
<output>25</output>
<result>25</result>


在狂欢节的套圈游戏中，三个圈可套在三个桩上．圈套在A桩上得1分，套在B桩上得3分，套在C桩上得5分．若三个圈都能套住桩，一共有多少种不同的得分．(一个桩上可套多个圈)

In the carnival hoop game, three hoops fit on three pegs. A trap gets 1 point for a stake, 3 points for a trap on stake B, and 5 points for a trap on stake C. If all three circles can catch the pile, how many different scores can there be? (Multiple rings can be placed on one pile)

<gadget id="calculator">2 * 1</gadget>
<output>2</output>
<gadget id="calculator">5 + 2</gadget>
<output>7</output>
<result>7</result>


王老师买奖品，每本2.5元的本子买了28本，每枝3.2元的钢笔买了36枝．王老师带了200元，还剩下多少钱？

Mr. Wang bought prizes. He bought 28 notebooks at 2.5 yuan each and 36 pens at 3.2 yuan each. Teacher Wang brought 200 yuan, how much money is left?

<gadget id="calculator">3.2 * 36</gadget>
<output>115.2</output>
<gadget id="calculator">2.5 * 28</gadget>
<output>70</output>
<gadget id="calculator">115.2 + 70</gadget>
<output>185.2</output>
<gadget id="calculator">200 - 185.2</gadget>
<output>14.8</output>
<result>14.8</result>


把20克的盐配置成含盐量5%的盐水，应加水多少克．

How many grams of water should be added to prepare 20 grams of salt into brine with a salt content of 5%.

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">20 / (1/20)</gadget>
<output>400</output>
<gadget id="calculator">400 - 20</gadget>
<output>380</output>
<result>380</result>


一个长方体容器，长30厘米，宽20厘米、高15厘米，容器内装满水后，将一块铁放入水中，导致水溢出，然后取出铁块，这时容器中的水面高9厘米，这个铁块体积是多少？

cuboid container is 30 cm long, 20 cm wide, and 15 cm high. After the container is filled with water, put a piece of iron into the water, causing the water to overflow, and then take out the iron block. At this time, the water surface in the container is 9 cm high. What is the volume of the iron block?

<gadget id="calculator">15 - 9</gadget>
<output>6</output>
<gadget id="calculator">30 * 20 * 6</gadget>
<output>3_600</output>
<result>3_600</result>


自来水公司规定："每人每月用水不超过2吨时，按每吨1.8元收费，超过2吨的部分按每吨5元收费．"照这样计算，王明家有3口人，上月共用水8.4吨，应缴水费多少元？

According to the regulations of the water supply company: "When the water used by each person does not exceed 2 tons per month, the fee is 1.8 yuan per ton, and the part that exceeds 2 tons is charged at 5 yuan per ton." According to this calculation, there are 3 people in Wang Ming's family, and they shared water last month. 8.4 tons, how much is the water fee payable?

<gadget id="calculator">1.8 * 2</gadget>
<output>3.6</output>
<gadget id="calculator">8.4 - 2</gadget>
<output>6.4</output>
<gadget id="calculator">6.4 * 5</gadget>
<output>32</output>
<gadget id="calculator">3.6 + 32</gadget>
<output>35.6</output>
<result>35.6</result>


一个玩具厂做一个毛绒兔原来需要3.8元的材料．后来改进了制作方法，每个只需3.6元的材料．原来准备做216个毛绒兔的材料，现在可以多做多少个？

A toy factory originally needed 3.8 yuan of materials to make a plush rabbit. Later, the production method was improved, and each material only needed 3.6 yuan. I originally planned to make 216 plush rabbits, how many more can I make now?

<gadget id="calculator">216 / 3.6</gadget>
<output>60</output>
<gadget id="calculator">3.8 * 60</gadget>
<output>228</output>
<gadget id="calculator">228 - 216</gadget>
<output>12</output>
<result>12</result>


一本书有212页，聪聪每天看32页，看了a天后还剩多少页．

A book has 212 pages, Congcong reads 32 pages every day, how many pages are left after reading a day.

<gadget id="calculator">212 - 32</gadget>
<output>180</output>
<result>180</result>


棱长总和是24分米的立方体的体积是多少．

What is the volume of a cube whose sum of side lengths is 24 decimeters?

<gadget id="calculator">24 / 12</gadget>
<output>2</output>
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>
<result>8</result>


甲乙两地相距60公里，自行车和摩托车同时从甲地驶向乙地．摩托车比自行车早到4小时，已知摩托车的速度是自行车的3倍，则摩托车的速度是多少．

The distance between A and B is 60 kilometers. A bicycle and a motorcycle drive from A to B at the same time. The motorcycle arrives 4 hours earlier than the bicycle. It is known that the speed of the motorcycle is three times that of the bicycle. What is the speed of the motorcycle?

<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">60 / 2</gadget>
<output>30</output>
<result>30</result>


一个圆锥形沙堆，底面积是6.28平方米，高是1.8米，用这些沙在10米宽的公路上铺3厘米厚的路面，能铺多少米？

conical pile of sand has a bottom area of 6.28 square meters and a height of 1.8 meters. How many meters can the sand be used to pave a road with a thickness of 3 cm on a road 10 meters wide?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/3) * 6.28 * 1.8</gadget>
<output>3.768</output>
<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>
<gadget id="calculator">10 * (3/100)</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">3.768 / (3/10)</gadget>
<output>12.56</output>
<result>12.56</result>


把一个底面积是3.14平方厘米，高6厘米的圆柱形铁材，熔铸成一个底面积为15平方厘米的圆锥体，它的高是多少厘米？

If a cylindrical iron material with a base area of 3.14 square centimeters and a height of 6 cm is melted and cast into a cone with a base area of 15 square centimeters, what is its height in centimeters?

<gadget id="calculator">3 / 15</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">3.14 * 6 * (1/5)</gadget>
<output>3.768</output>
<result>3.768</result>


三年级3个班上学期卖废纸和矿泉水瓶一共收入540元，平均每个班收入多少元？

The three classes of the third grade earned a total of 540 yuan from selling waste paper and mineral water bottles last semester. How much is the average income of each class?

<gadget id="calculator">540 / 3</gadget>
<output>180</output>
<result>180</result>


植物园的面积是6公顷，宽是200米，它的长是多少米？

The botanical garden has an area of 6 hectares and a width of 200 meters. What is its length in meters?

<gadget id="calculator">6 * 10_000</gadget>
<output>60_000</output>
<gadget id="calculator">60_000 / 200</gadget>
<output>300</output>
<result>300</result>


把一棱长0.6分米的正方体木块分成体积相等的三个长方体，它的表面积可能增加多少平方分米．

If a cube with a side length of 0.6 decimeters is divided into three cuboids of equal volume, how many square decimeters may its surface area increase?

<gadget id="calculator">0.6 * 0.6 * 4</gadget>
<output>1.44</output>
<result>1.44</result>


某仓库要运出一批货物，分两天运完，第一天运出全部的30%，比第二天少运240吨．这批货物一共多少吨？

A certain warehouse needs to ship out a batch of goods, and the goods are shipped out in two days, and 30% of all goods are shipped out on the first day, which is 240 tons less than that on the second day. How many tons is this shipment in total?

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">1 - (3/10) - (3/10)</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">240 / (2/5)</gadget>
<output>600</output>
<result>600</result>


一个数的(3/10)是12，这个数的(3/8)是多少．

(3/10) of a number is 12, what is (3/8) of this number.

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">12 / (3/10)</gadget>
<output>40</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">40 * (3/8)</gadget>
<output>15</output>
<result>15</result>


一个长方形广场，长是100米，宽比长短30米，绕这个广场一周走了多少米？

A rectangular square is 100 meters long, and its width is 30 meters shorter than its length. How many meters does it take to walk around the square?

<gadget id="calculator">100 - 30</gadget>
<output>70</output>
<gadget id="calculator">70 + 100</gadget>
<output>170</output>
<gadget id="calculator">170 * 2</gadget>
<output>340</output>
<result>340</result>


452加上208的30倍，和是多少？

What is the sum of 452 plus 30 times of 208?

<gadget id="calculator">208 * 30</gadget>
<output>6_240</output>
<gadget id="calculator">452 + 6_240</gadget>
<output>6_692</output>
<result>6_692</result>


用一个杯子向一个空瓶里倒水，如果倒进3杯水，连瓶共得440克；如果倒进5杯水，连瓶共重600克，一杯水重多少克？

Use a cup to pour water into an empty bottle. If 3 cups of water are poured into it, the total weight of the bottle is 440 grams; if 5 cups of water are poured into it, the total weight of the bottle is 600 grams. How many grams does a glass of water weigh?

<gadget id="calculator">600 - 440</gadget>
<output>160</output>
<gadget id="calculator">5 - 3</gadget>
<output>2</output>
<gadget id="calculator">160 / 2</gadget>
<output>80</output>
<result>80</result>


向阳小学大约有800人，10个这样的学校大约有多少人．

There are about 800 students in Xiangyang Primary School, how many people are there in 10 such schools?

<gadget id="calculator">800 * 10</gadget>
<output>8_000</output>
<result>8_000</result>


一个圆柱与一个圆锥的体积相等，圆柱的高与圆锥的高之比是4：9，圆锥的底面积是20平方厘米，圆柱的底面积是多少平方厘米？

A cylinder and a cone have the same volume. The ratio of the height of the cylinder to the height of the cone is 4:9. The area of the base of the cone is 20 square centimeters. What is the area of the base of the cylinder in square centimeters?


甲乙两车分别从A、B两地同时相对开出，经2小时相遇．相遇后各自继续前进，又经1.5小时，甲车到达B地，这时乙车距A地还有35千米，求A，B两地的距离．

Cars A and B leave opposite places at the same time from places A and B respectively, and meet each other after 2 hours. After meeting each other, they continue to move forward. After another 1.5 hours, car A arrives at point B. At this time, car B is still 35 kilometers away from point A. Find the distance between points A and B.

<gadget id="calculator">2 / 1.5</gadget>
<output>1.333333</output>
<gadget id="calculator">1 / 1.333333</gadget>
<output>0.75</output>
<gadget id="calculator">1 - 0.75</gadget>
<output>0.25</output>
<gadget id="calculator">35 / 0.25</gadget>
<output>140</output>
<result>140</result>


一个长方体，如果长缩小2cm，宽和高不变，则体积缩小48cm**3，如果宽增加3cm，长和高不变，则体积增加99cm**3，如果高增加4cm．长和宽不变，则体积增加352cm**3．那么，原长方体的表面积是多少cm**2．

For a cuboid, if the length is reduced by 2cm and the width and height remain the same, the volume will be reduced by 48cm**3; if the width is increased by 3cm and the length and height remain the same, the volume will be increased by 99cm**3; if the height is increased by 4cm. If the length and width remain the same, the volume will increase by 352cm**3. Then, what is the surface area of the original cuboid in cm**2.

<gadget id="calculator">48 / 2</gadget>
<output>24</output>
<gadget id="calculator">99 / 3</gadget>
<output>33</output>
<gadget id="calculator">352 / 4</gadget>
<output>88</output>
<gadget id="calculator">24 + 33 + 88</gadget>
<output>145</output>
<gadget id="calculator">145 * 2</gadget>
<output>290</output>
<result>290</result>


自来水公司为了鼓励居民节约用水，规定每人每月用水不能超过2m**3时，按1.6元/m**2，超过2m**3的部分按5元/m**2收费．李老师家3口人，上月共缴水费29.6元．请你算一算李老师上月用水多少米？

In order to encourage residents to save water, the water supply company stipulates that when the water consumption per person per month cannot exceed 2m**3, it will be charged at 1.6 yuan/m**2, and the part exceeding 2m**3 will be charged at 5 yuan/m**2. Mr. Li's family of 3 people paid a total of 29.6 yuan for water last month. Please calculate how many meters Mr. Li used last month?

<gadget id="calculator">3 * 2</gadget>
<output>6</output>
<gadget id="calculator">6 * 1.6</gadget>
<output>9.6</output>
<gadget id="calculator">29.6 - 9.6</gadget>
<output>20</output>
<gadget id="calculator">20 / 5</gadget>
<output>4</output>
<gadget id="calculator">6 + 4</gadget>
<output>10</output>
<result>10</result>


张师傅要加工一批零件，计划每天加工200个，15天完成．如果要求10天完成，工作效率应提高多少．

Master Zhang wants to process a batch of parts, and plans to process 200 parts per day, which will be completed in 15 days. If it is required to be completed in 10 days, how much should the work efficiency be improved?

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/10) - (1/15)</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">(1/30) / (1/15)</gadget>
<output>1/2 = around 0.5</output>
<result>1/2 = around 0.5</result>


把一个圆平均分成若干等份后，能拼成一个周长为20分米的正方形，这个圆的面积是多少平方分米？

After dividing a circle into several equal parts, a square with a circumference of 20 decimeters can be assembled. What is the area of this circle in square decimeters?

<gadget id="calculator">20 / 4</gadget>
<output>5</output>
<gadget id="calculator">5 * 5</gadget>
<output>25</output>
<result>25</result>


一条边的长是3厘米，这条边上的高是2厘米的平行四边形．

The length of one side is 3 cm and the height of this side is 2 cm.

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


甲乙两人以匀速绕圆形跑道相向跑步，出发点在圆直径的两端．如果他们同时出发，并在甲跑完120米时第一次相遇，乙跑一圈还差160米时俩人第二次相遇，求跑道的长是多少米？

Two people, A and B, run towards each other around a circular track at a constant speed, starting from the two ends of the diameter of the circle. If they start at the same time and meet for the first time when A finishes running 120 meters, and they meet for the second time when B runs 160 meters away, what is the length of the runway in meters?

<gadget id="calculator">120 * 3</gadget>
<output>360</output>
<gadget id="calculator">360 - 160</gadget>
<output>200</output>
<gadget id="calculator">200 * 2</gadget>
<output>400</output>
<result>400</result>


六年级同学参加植树活动，共植树400棵，未成活的有8棵，这批树苗的成活率是多少？

The sixth grade students participated in the tree planting activity. A total of 400 trees were planted, and 8 of them did not survive. What is the survival rate of this batch of saplings?

<gadget id="calculator">400 - 8</gadget>
<output>392</output>
<gadget id="calculator">392 / 400</gadget>
<output>49/50 = around 0.98</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(49/50) * 1</gadget>
<output>49/50 = around 0.98</output>
<result>49/50 = around 0.98</result>


学校五(一)班40名学生中，年龄最大的是13岁，最小的是11岁，那么其中必有多少名学生是同年同月出生的．

Among the 40 students in Class 5 (1) of the school, the oldest is 13 years old and the youngest is 11 years old, so how many of them must be born in the same year and the same month.