一种商品打七折的售价是42元，它的原价是多少．

The price of a product with a 30% discount is 42 yuan, what is its original price?

<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">42 / (7/10)</gadget>
<output>60</output>
<result>60</result>


一件工作，甲队单独做20天完成，乙队单独做30天完成，现在先由甲队单独做6天，因另有任务抽调甲队中(4/15)的劳动力做别的工作，这样由甲队剩下的人与乙队合作，还需要做几天才能完成任务？

For one job, team A alone will complete it in 20 days, and team B will complete it in 30 days alone. Now, team A will do it alone for 6 days, because there are other tasks to transfer the labor force from team A (4/15) to do other work. In this way, the rest of Team A will cooperate with Team B. How many days will it take to complete the task?

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">(1/20) * 6</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>
<gadget id="calculator">1 - (4/15)</gadget>
<output>11/15 = around 0.733333</output>
<gadget id="calculator">(1/20) * (11/15)</gadget>
<output>11/300 = around 0.036667</output>
<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">(11/300) + (1/30)</gadget>
<output>7/100 = around 0.07</output>
<gadget id="calculator">(7/10) / (7/100)</gadget>
<output>10</output>
<result>10</result>


一个圆锥的高是24厘米，体积是80立方厘米，比与它等底的另一个圆柱的体积少40立方厘米，另一个圆柱的高是多少厘米．

The height of a cone is 24 cm and its volume is 80 cm3, which is 40 cm3 less than the volume of another cylinder with the same base. What is the height of the other cylinder in cm?

<gadget id="calculator">80 + 40</gadget>
<output>120</output>
<gadget id="calculator">3 / 24</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">80 * (1/8)</gadget>
<output>10</output>
<gadget id="calculator">120 / 10</gadget>
<output>12</output>
<result>12</result>


水泥厂上半月完成计划的56%，下半月完成月计划的64%，超额生产水泥2400吨水泥，问计划生产水泥多少吨？

The cement factory completed 56% of the plan in the first half of the month, and 64% of the monthly plan in the second half of the month, with an overproduction of 2,400 tons of cement. How many tons of cement are planned to be produced?

<gadget id="calculator">56 / 100</gadget>
<output>14/25 = around 0.56</output>
<gadget id="calculator">64 / 100</gadget>
<output>16/25 = around 0.64</output>
<gadget id="calculator">(16/25) - 1</gadget>
<output>-9/25 = around -0.36</output>
<gadget id="calculator">(14/25) + (-9/25)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">2_400 / (1/5)</gadget>
<output>12_000</output>
<result>12_000</result>


甲、乙两地相距665千米，客车和货车同时从两地相对开出，已知货车每小时行63千米，货车与客车的速度比是9：10，经过多少小时两车能相遇．

The distance between A and B is 665 kilometers. The passenger car and the truck leave from the two places at the same time. It is known that the truck travels 63 kilometers per hour. The speed ratio of the truck and the passenger car is 9:10. How many hours will it take for the two cars to meet each other?

<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">63 / (9/10)</gadget>
<output>70</output>
<gadget id="calculator">63 + 70</gadget>
<output>133</output>
<gadget id="calculator">665 / 133</gadget>
<output>5</output>
<result>5</result>


如果一个圆锥的底面半径扩大到原来的2倍，高缩小到原来的(1/2)，它的体积扩大到原来的多少倍

If the radius of the base of a cone is doubled and the height is reduced to 1/2, how many times will its volume be enlarged?


把5米长的绳子平均分成6份，每份长多少米．

Divide a 5-meter-long rope into 6 equal parts, how many meters is each part?

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


在计算20*(A+5)时，错算成20*A+5，得到的结果与正确结果相差多少．

When calculating 20*(A+5), it is miscalculated as 20*A+5, how much is the difference between the obtained result and the correct result.

<gadget id="calculator">100 - 5</gadget>
<output>95</output>
<result>95</result>


在一道减法的算式里，被减数、减数、差的和是100，被减数是多少．

In a subtraction formula, the sum of the minuend, the subtrahend and the difference is 100, what is the minuend.

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


一辆小车从甲地开往乙地，平均每小时行95千米，从早上8：00出发，下午1：00达到．甲地到乙地有多少千米．

A small car drives from A to B at an average of 95 kilometers per hour, starting at 8:00 in the morning and arriving at 1:00 in the afternoon. How many miles is it from A to B?

<gadget id="calculator">13 - 8</gadget>
<output>5</output>
<gadget id="calculator">95 * 5</gadget>
<output>475</output>
<result>475</result>


甲买了15kg苹果，乙买了同样的苹果11kg，比甲少花了20.4元，每千克苹果多少钱？

A bought 15kg of apples, and B bought 11kg of the same apples, which cost 20.4 yuan less than that of A. How much is an apple per kilogram?

<gadget id="calculator">15 - 11</gadget>
<output>4</output>
<gadget id="calculator">20.4 / 4</gadget>
<output>5.1</output>
<result>5.1</result>


用一个重1千克的篮子运30千克苹果，如果每次只能运6千克的东西，多少次可以运完．

If you use a basket weighing 1 kg to transport 30 kg of apples, if you can only transport 6 kg each time, how many times can you transport them all?

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


六年级同学给灾区的小朋友捐款．六一班捐了500元，六二班捐的是六一班的(4/5)，又是六三班的(8/9)．六三班捐款多少元？

The sixth grade students donated money to the children in the disaster area. Class 61 donated 500 yuan, Class 62 donated to Class 61 (4/5), and Class 63 (8/9). How much did Class 63 donate?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>
<gadget id="calculator">(4/5) / (8/9)</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">500 * (9/10)</gadget>
<output>450</output>
<result>450</result>


According to ○/□=3.5, then (○*2)/(□*how much)=3.5.


一张平行四边形纸的底是10分米，它对应的高是6分米，若把它剪成两个完全一样的三角形，其中一个三角形的面积是多少分米**2．

The base of a piece of parallelogram paper is 10 decimeters, and its corresponding height is 6 decimeters. If it is cut into two identical triangles, what is the area of one of the triangles in decimeters**2.

<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">10 * 3</gadget>
<output>30</output>
<result>30</result>


把一根铁丝分成两段，第一段长(5/8)米，第二段是全长的(2/5)，第二段长多少米．

Divide a wire into two sections, the first section is (5/8) meters long, the second section is the full length (2/5), how many meters is the second section long?

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</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">(5/8) / (3/5)</gadget>
<output>25/24 = around 1.041667</output>
<gadget id="calculator">(25/24) * (2/5)</gadget>
<output>5/12 = around 0.416667</output>
<result>5/12 = around 0.416667</result>


水果店运来26箱橙子，每箱18千克，运来的苹果比橙子多278千克，水果店运来橙子和苹果共多少千克？

The fruit shop shipped 26 boxes of oranges, each weighing 18 kilograms, and the number of apples shipped was 278 kilograms more than the oranges. How many kilograms of oranges and apples did the fruit shop bring together?

<gadget id="calculator">26 * 18</gadget>
<output>468</output>
<gadget id="calculator">468 + 278</gadget>
<output>746</output>
<gadget id="calculator">468 + 746</gadget>
<output>1_214</output>
<result>1_214</result>


一个三角形和平行四边形的底相等，面积也相等，平行四边形的高是3cm，三角形的高是多少cm

A triangle and a parallelogram have the same base and the same area, the height of the parallelogram is 3 cm, what is the height of the triangle in cm

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


一辆汽车由甲地到乙地，5小时到达，平均速度为60千米/时，原路返回时只用了4小时，返回时的速度为多少？

car travels from A to B in 5 hours with an average speed of 60 km/h. It only takes 4 hours to return by the original road. What is the speed when returning?

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


将一个表面涂色的正方体分割成若干个体积为1立方厘米的小正方体，其中两面涂色的有24块，原来正方体的体积是多少立方厘米．

Divide a painted cube into several small cubes with a volume of 1 cubic centimeter, of which 24 are painted on both sides. What is the volume of the original cube?

<gadget id="calculator">24 / 12</gadget>
<output>2</output>
<gadget id="calculator">2 + 2</gadget>
<output>4</output>
<gadget id="calculator">4 * 4 * 4 * 1</gadget>
<output>64</output>
<result>64</result>


从甲到乙，客车行完全程要8小时，货车要10小时．现在客车先行2小时，然后货车才出发，货车出发几小时后两车相遇？

From A to B, the bus takes 8 hours and the truck takes 10 hours. Now the bus goes ahead for 2 hours, and then the truck leaves. How many hours after the truck leaves, the two vehicles meet?

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">(1/8) * 2</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 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(1/8) + (1/10)</gadget>
<output>9/40 = around 0.225</output>
<gadget id="calculator">(3/4) / (9/40)</gadget>
<output>10/3 = around 3.333333</output>
<result>10/3 = around 3.333333</result>


168个女同学和48个男同学参加团体操表演，每8个同学排成一行，可以排成几行？

168 female students and 48 male students participate in the group gymnastics performance. Every 8 students line up in a row. How many rows can they line up?

<gadget id="calculator">168 + 48</gadget>
<output>216</output>
<gadget id="calculator">216 / 8</gadget>
<output>27</output>
<result>27</result>


一辆洒水车，每分钟前进220米，洒水的宽度是6米．洒水车行驶2分钟，能给多大的地面洒水？

A sprinkler truck moves 220 meters per minute, and the sprinkler width is 6 meters. How much ground can the sprinkler drive for 2 minutes?

<gadget id="calculator">220 * 2 * 6</gadget>
<output>2_640</output>
<result>2_640</result>


利川小院中的7户居民4年共节约用水35.28吨．平均每户每年节约多少吨水？

The 7 households in the small courtyard in Lichuan saved a total of 35.28 tons of water in 4 years. How many tons of water is saved per household per year on average?

<gadget id="calculator">35.28 / 7 / 4</gadget>
<output>1.26</output>
<result>1.26</result>


<gadget id="calculator">1 + 2_014</gadget>
<output>2_015</output>
<gadget id="calculator">2_014 / 2</gadget>
<output>1_007</output>
<gadget id="calculator">2_015 * 1_007</gadget>
<output>2_029_105</output>
<gadget id="calculator">2_029_105 + 2_015</gadget>
<output>2_031_120</output>
<result>2_031_120</result>


果品公司购进苹果5万千克，每千克进价是0.8元，付运费等开支8000元，预计损耗为4%．如果希望全部进货销售后能获利20%，那么每千克苹果零售价定位多少元．

The fruit company purchases 50,000 kilograms of apples at a purchase price of 0.8 yuan per kilogram, and pays freight and other expenses of 8,000 yuan. The estimated loss is 4%. If you want to make a profit of 20% after purchasing and selling all the apples, what is the retail price of apples per kilogram?

<gadget id="calculator">50_000 * 0.8</gadget>
<output>40_000</output>
<gadget id="calculator">40_000 + 8_000</gadget>
<output>48_000</output>
<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">48_000 * (6/5)</gadget>
<output>57_600</output>
<gadget id="calculator">57_600 / 48_000</gadget>
<output>6/5 = around 1.2</output>
<result>6/5 = around 1.2</result>


小明3分钟行225米，照这样计算，再行2分钟，共行多少米．

Xiao Ming walks 225 meters in 3 minutes. According to this calculation, if he walks for another 2 minutes, how many meters will he walk in total?

<gadget id="calculator">225 / 3</gadget>
<output>75</output>
<gadget id="calculator">3 + 2</gadget>
<output>5</output>
<gadget id="calculator">75 * 5</gadget>
<output>375</output>
<result>375</result>


已知半圆的面积12.56cm**2，在半圆里剪去最大三角形后，剩下的面积是多少cm**2．

Given that the area of the semicircle is 12.56cm**2, what is the remaining area in cm**2 after cutting off the largest triangle in the semicircle?

<gadget id="calculator">2 / 3.14</gadget>
<output>0.636943</output>
<gadget id="calculator">12.56 * 0.636943</gadget>
<output>8.000004</output>
<gadget id="calculator">12.56 - 8.000004</gadget>
<output>4.559996</output>
<result>4.559996</result>


六3班女生人数占全班的(2/5)，那么男生人数占全班的多少．

If the number of girls in class 6 and 3 accounts for 2/5 of the whole class, then how many boys account for the whole class?

<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>
<result>3/5 = around 0.6</result>


一个数减去48的差是256，这个数是多少？

The difference between a number minus 48 is 256, what is this number?

<gadget id="calculator">256 + 48</gadget>
<output>304</output>
<result>304</result>


学校新购进一批图书，按4：5：6分给四、五、六三个年级，已知四年级比六年级少分得40本，五年级分得图书多少本？(用比例解)

The school has purchased a new batch of books and distributed them to grades 4, 5, and 6 according to the ratio of 4:5:6. It is known that grade 4 gets 40 books less than grade 6. How many books does grade 5 get? (Solve with ratio)

<gadget id="calculator">4 / 6</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(2/3) * 40</gadget>
<output>80/3 = around 26.666667</output>
<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(80/3) / (1/3)</gadget>
<output>80</output>
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">80 * (5/4)</gadget>
<output>100</output>
<result>100</result>


一个数的3.5倍是21，这个数的100倍是多少．

3.5 times a number is 21, what is the number 100 times.

<gadget id="calculator">21 / 3.5</gadget>
<output>6</output>
<gadget id="calculator">6 * 100</gadget>
<output>600</output>
<result>600</result>


把一个长、宽分别是15厘米和10厘米的长方形，拉成一个一条高为12厘米的平行四边形，它的面积是多少平方厘米．

If a rectangle whose length and width are 15 cm and 10 cm respectively is drawn into a parallelogram whose height is 12 cm, what is its area in square centimeters?

<gadget id="calculator">10 * 12</gadget>
<output>120</output>
<result>120</result>


45个同学的家庭作业本垒成一堆，老师想抽取相邻的3本了解作业情况，老师共有多少种不同的取法．

The homework of 45 students is in a pile. The teacher wants to select 3 adjacent books to understand the homework. How many different ways does the teacher have?

<gadget id="calculator">45 - 2</gadget>
<output>43</output>
<result>43</result>


从上午8：00到下午5：00张叔叔一直在工作，一共做了720个玩具娃娃，平均每小时做多少个玩具娃娃？

Uncle Zhang has been working from 8:00 am to 5:00 pm, making a total of 720 dolls. How many dolls are made per hour on average?

<gadget id="calculator">17 - 8</gadget>
<output>9</output>
<gadget id="calculator">720 / 9</gadget>
<output>80</output>
<result>80</result>


如果A/8=6…1，则A=多少．

<gadget id="calculator">6 * 8</gadget>
<output>48</output>
<gadget id="calculator">48 + 1</gadget>
<output>49</output>
<result>49</result>


学校计划装修16间教室，工程队经过测算，每间教室需要铺地砖192块，工程队应该购买这样的地砖多少块？

The school plans to renovate 16 classrooms. After calculation by the engineering team, each classroom needs 192 floor tiles. How many such floor tiles should the engineering team buy?

<gadget id="calculator">192 * 16</gadget>
<output>3_072</output>
<result>3_072</result>


一架飞机所带燃料最多可用6小时，飞去时顺风，每小时可飞行1500千米，飞回来时逆风每小时可飞行1200千米，这架飞机最多飞出多少千米就要返航？

The fuel carried by an aircraft can be used for up to 6 hours. When flying away, it can fly 1,500 kilometers per hour with the wind, and when it flies back, it can fly 1,200 kilometers per hour against the wind. How many kilometers does this aircraft fly before returning?

<gadget id="calculator">1 / 1_500</gadget>
<output>1/1_500 = around 0.000667</output>
<gadget id="calculator">1 / 1_200</gadget>
<output>1/1_200 = around 0.000833</output>
<gadget id="calculator">(1/1_500) + (1/1_200)</gadget>
<output>3/2_000 = around 0.0015</output>
<gadget id="calculator">6 / (3/2_000)</gadget>
<output>4_000</output>
<result>4_000</result>


棱长6厘米的正方体体积比棱长是4厘米的正方体体积大多少．

How much greater is the volume of a cube with side lengths of 6 cm than the volume of a cube with side lengths of 4 cm?

<gadget id="calculator">6 ** 3</gadget>
<output>216</output>
<gadget id="calculator">4 ** 3</gadget>
<output>64</output>
<gadget id="calculator">216 - 64</gadget>
<output>152</output>
<gadget id="calculator">152 / 64</gadget>
<output>19/8 = around 2.375</output>
<result>19/8 = around 2.375</result>


学校买一批书分给甲、乙、丙三个班，甲班分得总数的(9/20)，乙班分得的书是甲班的(2/3)，已知丙班比甲班少分60本，问甲班分到了多少本书？

The school buys a batch of books and distributes them to classes A, B, and C. Class A gets 9/20 of the total, and Class B gets 2/3 of A’s books. It is known that Class C is more than A. The class is divided into 60 books, how many books did Class A get?

<gadget id="calculator">9 / 20</gadget>
<output>9/20 = around 0.45</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(9/20) * (2/3)</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">(9/20) - 1</gadget>
<output>-11/20 = around -0.55</output>
<gadget id="calculator">(9/20) + (3/10) + (-11/20)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">60 / (1/5)</gadget>
<output>300</output>
<gadget id="calculator">300 * (9/20)</gadget>
<output>135</output>
<result>135</result>


水果店运来苹果18箱，香蕉20箱．这两种水果每箱都是15千克，水果店运来苹果和香蕉共多少千克？(用两种方法解答)

The fruit shop shipped 18 boxes of apples and 20 boxes of bananas. Each box of these two kinds of fruits weighs 15 kilograms. How many kilograms of apples and bananas are shipped by the fruit shop? (answer in two ways)

<gadget id="calculator">18 * 15</gadget>
<output>270</output>
<gadget id="calculator">20 * 15</gadget>
<output>300</output>
<gadget id="calculator">270 + 300</gadget>
<output>570</output>
<result>570</result>


一桶水连桶重25千克，倒出水的一半后，连桶重13千克，这只桶重多少千克．

A bucket of water weighs 25 kg. After half of the water is poured out, the weight of the bucket is 13 kg. How much does the bucket weigh?

<gadget id="calculator">25 - 13</gadget>
<output>12</output>
<gadget id="calculator">12 * 2</gadget>
<output>24</output>
<gadget id="calculator">25 - 24</gadget>
<output>1</output>
<result>1</result>


一个分数的分子分母的和是45，如果分母减7，这个分数就等于1，原分数是多少．

The sum of the numerator and denominator of a fraction is 45. If the denominator is subtracted by 7, the fraction is equal to 1. What is the original fraction?

<gadget id="calculator">7 + 45</gadget>
<output>52</output>
<gadget id="calculator">1 + 1</gadget>
<output>2</output>
<gadget id="calculator">52 / 2</gadget>
<output>26</output>
<gadget id="calculator">45 - 26</gadget>
<output>19</output>
<gadget id="calculator">19 / 26</gadget>
<output>19/26 = around 0.730769</output>
<result>19/26 = around 0.730769</result>


早上水缸放满了水，白天用去了其中的20%，傍晚又用去了27升，晚上用去剩下的10%，最后剩下的水是半水缸多1升，问早上放入多少升水？

Fill the tank with water in the morning, use up 20% of it during the day, use up another 27 liters in the evening, and use the remaining 10% in the evening, and the remaining water is 1 liter more than half the tank. How many liters of water to put in?

<gadget id="calculator">10 / 9</gadget>
<output>10/9 = around 1.111111</output>
<gadget id="calculator">27 + (10/9)</gadget>
<output>253/9 = around 28.111111</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>
<gadget id="calculator">1 - (1/5) - (5/9)</gadget>
<output>11/45 = around 0.244444</output>
<gadget id="calculator">(253/9) / (11/45)</gadget>
<output>115</output>
<result>115</result>


一副羽毛球拍28元，李老师买了6副，付了200元，应找回多少元？

A pair of badminton rackets is 28 yuan. Teacher Li bought 6 pairs and paid 200 yuan. How much should I get back?

<gadget id="calculator">28 * 4</gadget>
<output>112</output>
<gadget id="calculator">200 - 112</gadget>
<output>88</output>
<result>88</result>


Given m(m(m+n)+n)+n=1, what is the value of m+n


给(5/8)的分子加上10，要使分数大小不变，分母应多少．

Add 10 to the numerator of (5/8), what is the denominator to keep the fraction constant.


水果店有324千克水果，8天卖完，平均每天大约卖出多少千克水果？

There are 324 kilograms of fruit in the fruit shop, and they are sold out in 8 days. How many kilograms of fruit are sold on average every day?

<gadget id="calculator">324 / 8</gadget>
<output>81/2 = around 40.5</output>
<result>81/2 = around 40.5</result>


小朋友们在操场上围成圈做游戏，琳琳前面有9个小朋友，琳琳的后面也有9个小朋友，一共有多少个小朋友做游戏．

The children are playing games in a circle on the playground. There are 9 children in front of Linlin, and 9 children behind Linlin. How many children are playing games in total?

<gadget id="calculator">9 + 9 + 1</gadget>
<output>19</output>
<result>19</result>


在一条马路的一边每隔8米设一根电线杆，从第一根电线杆到第200根，一共有多少米．

On one side of a road, set up a telephone pole every 8 meters. From the first pole to the 200th, how many meters are there in total?

<gadget id="calculator">200 - 1</gadget>
<output>199</output>
<gadget id="calculator">199 * 8</gadget>
<output>1_592</output>
<result>1_592</result>


大厅里有4根圆柱，每根底面直径为1米，高为8米．在这些圆柱的表面涂油漆，平均每平方米用油漆0.8千克，共需油漆多少千克？

There are 4 columns in the hall, each with a base diameter of 1 meter and a height of 8 meters. Paint the surface of these cylinders, with an average of 0.8 kilograms of paint per square meter. How many kilograms of paint are needed in total?

<gadget id="calculator">3.14 * 1 * 8</gadget>
<output>25.12</output>
<gadget id="calculator">25.12 * 0.8 * 4</gadget>
<output>80.384</output>
<result>80.384</result>


所有分母是9的真分数的和等于多少．

What is the sum of all the proper fractions whose denominator is 9?

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>
<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>
<gadget id="calculator">6 / 9</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>
<gadget id="calculator">(1/9) + (2/9) + (1/3) + (4/9) + (5/9) + (2/3) + (7/9) + (8/9)</gadget>
<output>4</output>
<result>4</result>


林先生向商店订购定价为120元的某种商品100件，林先生对商店经理说"如果你肯降价，那么每减价1元就多订购5件"，商店经理算了一下，若减价5%则由于林先生多订购获得的利润反而比原来多120元，问这种商品的成本是多少元？

Mr. Lin ordered 100 pieces of a certain product priced at 120 yuan from the store. Mr. Lin said to the store manager, "If you are willing to reduce the price, then you can order 5 more pieces for every 1 yuan price reduction." 5% means that the profit obtained by Mr. Lin’s extra order is 120 yuan more than the original one. How much is the cost of this product?

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">120 * (1/20) * 5</gadget>
<output>30</output>
<gadget id="calculator">100 + 30</gadget>
<output>130</output>
<gadget id="calculator">120 * (1/20) * 130</gadget>
<output>780</output>
<gadget id="calculator">780 + 120</gadget>
<output>900</output>
<gadget id="calculator">130 - 100</gadget>
<output>30</output>
<gadget id="calculator">900 / 30</gadget>
<output>30</output>
<gadget id="calculator">120 - 30</gadget>
<output>90</output>
<result>90</result>


一个圆锥的底面周长是12.56厘米，高8厘米，从顶点沿高把它切成相等的两半，表面积增加了多少平方厘米．

The circumference of the base of a cone is 12.56 cm and the height is 8 cm. If it is cut into two equal halves from the apex along the height, how many square centimeters is the surface area increased?

<gadget id="calculator">12.56 / 3.14</gadget>
<output>4</output>
<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<gadget id="calculator">4 * 4 * 2</gadget>
<output>32</output>
<result>32</result>


一个正方体切成8个相等的小正方体后，这些小正方体表面积的总和是原来正方体表面积的多少倍

If a cube is cut into 8 equal cubes, how many times the total surface area of the cubes is the surface area of the original cube?

<gadget id="calculator">1 * 1 * 6 * 8</gadget>
<output>48</output>
<gadget id="calculator">2 * 2 * 6</gadget>
<output>24</output>
<gadget id="calculator">48 / 24</gadget>
<output>2</output>
<result>2</result>


三年级有男生45人，女生是男生的2倍，女生有多少人．

There are 45 boys in the third grade, and twice as many girls as boys. How many girls are there?

<gadget id="calculator">45 * 2</gadget>
<output>90</output>
<result>90</result>


用方砖铺地，如果用边长3dm的方砖铺，需要96块，若改用边长4dm的方砖铺，需要多少块？

If you use square bricks to pave the floor, if you use square bricks with a side length of 3dm, you need 96 pieces. If you use square bricks with a side length of 4dm, how many pieces do you need?

<gadget id="calculator">3 * 3 * 96</gadget>
<output>864</output>
<gadget id="calculator">4 * 4</gadget>
<output>16</output>
<gadget id="calculator">864 / 16</gadget>
<output>54</output>
<result>54</result>


一个长方体铁皮桶，内底面积是50平方厘米，高20厘米．如果1升油漆重0.86千克，这个桶可以装油漆多少千克？

A cuboid tin bucket has an inner bottom area of 50 square centimeters and a height of 20 centimeters. If 1 liter of paint weighs 0.86 kg, how much paint can this bucket hold?

<gadget id="calculator">20 / 1_000</gadget>
<output>1/50 = around 0.02</output>
<gadget id="calculator">50 * (1/50) * 0.86</gadget>
<output>0.86</output>
<result>0.86</result>


小明读一本名著，每天读21页，3天后还剩19页，那么这本名著一共有多少页？

Xiao Ming reads a famous book, 21 pages a day, and there are 19 pages left after 3 days, so how many pages does this famous book have?

<gadget id="calculator">21 * 3</gadget>
<output>63</output>
<gadget id="calculator">63 + 19</gadget>
<output>82</output>
<result>82</result>


张兵买10本笔记本和6支铅笔，一共用了21元，每本笔记本的售价1.5元．每支铅笔多少元？(用方程解)

Zhang Bing bought 10 notebooks and 6 pencils for a total of 21 yuan, and the price of each notebook was 1.5 yuan. How much is each pencil? (solution by equation)

<gadget id="calculator">10 * 1.5</gadget>
<output>15</output>
<gadget id="calculator">21 - 15</gadget>
<output>6</output>
<gadget id="calculator">6 / 6</gadget>
<output>1</output>
<result>1</result>


海信电视机厂要生产一批电视机，每天生产288台，生产25天后，还要再生产1440台才能完成任务．这批电视机一共有多少台？

Hisense TV Factory needs to produce a batch of TV sets, 288 sets per day. After 25 days of production, another 1440 sets will be produced to complete the task. How many TVs are there in total?

<gadget id="calculator">288 * 25</gadget>
<output>7_200</output>
<gadget id="calculator">7_200 + 1_440</gadget>
<output>8_640</output>
<result>8_640</result>


6位同学每两人握手一次，一共要握手多少次．

Each of the 6 students shakes hands once, how many times should they shake hands in total?

<gadget id="calculator">6 - 1</gadget>
<output>5</output>
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">6 * (5/2)</gadget>
<output>15</output>
<result>15</result>


一种树苗的成活率为80%，为了确保成活200棵，至少需要栽种多少棵．

The survival rate of a kind of sapling is 80%, in order to ensure 200 saplings survive, at least how many saplings need to be planted.

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">200 / (4/5)</gadget>
<output>250</output>
<result>250</result>


一个长方体的木箱，长1.2m，宽0.8m，高0.6m．做这个木箱至少要用多少平方米木板？

A cuboid wooden box is 1.2m long, 0.8m wide and 0.6m high. At least how many square meters of wood will be used to make this wooden box?

<gadget id="calculator">1.2 * 0.8</gadget>
<output>0.96</output>
<gadget id="calculator">1.2 * 0.6</gadget>
<output>0.72</output>
<gadget id="calculator">0.8 * 0.6</gadget>
<output>0.48</output>
<gadget id="calculator">0.96 + 0.72 + 0.48</gadget>
<output>2.16</output>
<gadget id="calculator">2.16 * 2</gadget>
<output>4.32</output>
<result>4.32</result>


已知B=2*3*7，那么B的全部因数一共有多少个．

Given that B=2*3*7, how many factors of B are there in total?

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


张叔叔订做了3个书柜，每个书柜有4层，每层可以放36本数．这些书柜可以放多少本书？

Uncle Zhang ordered 3 bookcases, each bookcase has 4 floors, and each floor can hold 36 books. How many books can these bookcases hold?

<gadget id="calculator">36 * 4 * 3</gadget>
<output>432</output>
<result>432</result>


一个钢铁厂生产一种长方体钢材，长1.5米，宽和厚都是6厘米．每立方米钢材重7.8吨，这根钢材重多少吨？

A steel factory produces a cuboid steel, 1.5 meters long, 6 cm wide and 6 cm thick. Steel weighs 7.8 tons per cubic meter. How many tons does this steel weigh?

<gadget id="calculator">6 / 100</gadget>
<output>3/50 = around 0.06</output>
<gadget id="calculator">1.5 * (3/50) * (3/50) * 7.8</gadget>
<output>0.04212</output>
<result>0.04212</result>


在一幅比例尺为1：600000的地图上，我校到市中心的路程是5厘米，实际路程应该是多少千米．

On a map with a scale of 1:600000, the distance from our school to the city center is 5 centimeters, how many kilometers should the actual distance be?

<gadget id="calculator">1 / 600_000</gadget>
<output>1/600_000 = around 0.000002</output>
<gadget id="calculator">5 / (1/600_000) / 100_000</gadget>
<output>30</output>
<result>30</result>


五一黄金周某游乐场第一天接待480人游客，第二天比第一天多接待(1/6)，第二天接待游客多少人？

An amusement park received 480 tourists on the first day of the May Day Golden Week, and received (1/6) more tourists on the second day than on the first day. How many tourists were received on the second day?

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 + (1/6)</gadget>
<output>7/6 = around 1.166667</output>
<gadget id="calculator">480 * (7/6)</gadget>
<output>560</output>
<result>560</result>


一头水牛一天要吃25千克的青草，十月份一个月要吃多少千克青草？

A buffalo eats 25 kilograms of grass a day, how many kilograms of grass does it eat in a month in October?

<gadget id="calculator">25 * 31</gadget>
<output>775</output>
<result>775</result>


姗姗和宁宁共有60张碟片，姗姗给宁宁10张碟片后，两人的碟片同样多，原来姗姗有多少张碟片．

Shanshan and Ningning have a total of 60 discs. After Shanshan gave Ningning 10 discs, they both had the same number of discs. How many discs does Shanshan have?

<gadget id="calculator">10 + 10</gadget>
<output>20</output>
<gadget id="calculator">60 - 20</gadget>
<output>40</output>
<gadget id="calculator">40 / 2</gadget>
<output>20</output>
<result>20</result>


<gadget id="calculator">15 / 3</gadget>
<output>5</output>
<gadget id="calculator">15 / 4</gadget>
<output>15/4 = around 3.75</output>
<gadget id="calculator">5 - (15/4)</gadget>
<output>5/4 = around 1.25</output>
<result>5/4 = around 1.25</result>


一个平行四边形的一组对边长为9厘米，另一组对边的长度的和是12厘米，这个平行四边形的周长是多少厘米．

The length of one pair of opposite sides of a parallelogram is 9 cm, and the sum of the lengths of the other pair of opposite sides is 12 cm. What is the perimeter of the parallelogram in cm?

<gadget id="calculator">9 * 2</gadget>
<output>18</output>
<gadget id="calculator">18 + 12</gadget>
<output>30</output>
<result>30</result>


某商场国庆节期间商品大优惠，所有商品6折出售，也就是说现价比原价更宜多少

During the National Day of a shopping mall, there is a big discount on products, and all products are sold at a 40% discount, which means that the current price is much cheaper than the original price

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


已知一个等腰三角形最大的一个内角是106°，其余两个内角的度数分别是多少？

It is known that the largest interior angle of an isosceles triangle is 106°, what are the degrees of the other two interior angles?


一根绳子，被绕成了3圈，从中间剪一刀，最多可将这根绳子分成多少段．

A rope is wound into 3 circles, cut a knife from the middle, how many pieces can this rope be divided into at most.

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


一块长方形草坪的面积是370平方米，宽是7米，扩建后这块草坪的长不变，宽增加到28米，扩建后的草地面积是多少．

A rectangular lawn has an area of 370 square meters and a width of 7 meters. After expansion, the length of the lawn remains the same, but the width increases to 28 meters. What is the area of the lawn after expansion?

<gadget id="calculator">370 / 7</gadget>
<output>370/7 = around 52.857143</output>
<gadget id="calculator">(370/7) * 28</gadget>
<output>1_480</output>
<result>1_480</result>


列式计算：1.5与0.6的差乘3与1.8的差，积是多少？

Column calculation: the difference between 1.5 and 0.6 multiplied by the difference between 3 and 1.8, what is the product?

<gadget id="calculator">1.5 - 0.6</gadget>
<output>0.9</output>
<gadget id="calculator">3 - 1.8</gadget>
<output>1.2</output>
<gadget id="calculator">0.9 * 1.2</gadget>
<output>1.08</output>
<result>1.08</result>


甲数与乙数的比是4：5，乙数比甲数多多少．

The ratio of number A to number B is 4:5, how much more number B is than number A.

<gadget id="calculator">5 - 4</gadget>
<output>1</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


一个运动员上山用了15分，下山的速度加快了(1/4)，下山时用了多少分．

It took an athlete 15 minutes to go up the mountain, and the speed of going down the mountain was accelerated (1/4), how many minutes did it take to go down the mountain?

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


把12个棱长是3厘米的小正方体拼成一个大长方体，这个长方体的表面积是多少平方厘米．

12 small cubes with side lengths of 3 cm are put together to form a large cuboid. What is the surface area of this cuboid in square centimeters?

<gadget id="calculator">12 * 3 * 3 * 4</gadget>
<output>432</output>
<gadget id="calculator">3 * 3 * 2</gadget>
<output>18</output>
<gadget id="calculator">432 + 18</gadget>
<output>450</output>
<result>450</result>


新华书店的橱窗里摆着3本亮亮最喜欢的书，标价为《漫画》每本22.6元，《生活百科》每本30.7元，《数学大世界》每本33.8元．最便宜的与最贵的相差多少元？

In the window of Xinhua Bookstore are three of Liangliang's favorite books, priced at 22.6 yuan each for "Manga", 30.7 yuan each for "Life Encyclopedia", and 33.8 yuan each for "Mathematics World". How much is the difference between the cheapest and the most expensive?

<gadget id="calculator">33.8 - 22.6</gadget>
<output>11.2</output>
<result>11.2</result>


一种商品，原价比现价少20%，现价是1028元，原价是多少元？

A commodity whose original price is 20% less than the current price, and the current price is 1028 yuan, how much is the original price?

<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_028 * (4/5)</gadget>
<output>4_112/5 = around 822.4</output>
<result>4_112/5 = around 822.4</result>


一条路，3天修了(3/8)，这条路多少天修完．

A road was repaired in 3 days (3/8), how many days will it take to repair this road?

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">(3/8) / 3</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">1 / (1/8)</gadget>
<output>8</output>
<result>8</result>


从630里连续减去多少个42，得数等于0．

How many consecutive 42s are subtracted from 630, and the result is equal to 0.

<gadget id="calculator">630 / 42</gadget>
<output>15</output>
<result>15</result>


一块平行四边形的纸板，底边长22厘米，比高多5厘米，这块纸板的面积是多少？

A piece of cardboard is a parallelogram, the length of the base is 22 cm, and it is 5 cm longer than the height. What is the area of the cardboard?

<gadget id="calculator">22 - 5</gadget>
<output>17</output>
<gadget id="calculator">22 * 17</gadget>
<output>374</output>
<result>374</result>


全家一起吃蛋糕，爸爸吃了(1/5)，小明和妈妈一起吃了这块蛋糕的(1/3)，剩下的蛋糕比(1/3)多还是少？

The whole family eats cake together, father eats (1/5), Xiao Ming eats (1/3) of this cake with mother, is the remaining cake more or less than (1/3)?

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


在直径10米的圆形水池外修一条2米宽的小路．求小路的面积．

Build a path 2 meters wide outside a circular pool with a diameter of 10 meters. Find the area of the path.

<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">5 + 2</gadget>
<output>7</output>
<gadget id="calculator">7 ** 2</gadget>
<output>49</output>
<gadget id="calculator">3.14 * 49</gadget>
<output>153.86</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">3.14 * 25</gadget>
<output>78.5</output>
<gadget id="calculator">153.86 - 78.5</gadget>
<output>75.36</output>
<result>75.36</result>


学校买来22盒白粉笔，买来的彩粉笔是白粉笔的5倍，学校买来的彩粉笔比白粉笔多多少盒？

The school bought 22 boxes of white chalk, and the amount of colored chalk it bought was 5 times that of white chalk. How many more boxes of colored chalk were bought by the school than white chalk?

<gadget id="calculator">22 * 5</gadget>
<output>110</output>
<gadget id="calculator">110 - 22</gadget>
<output>88</output>
<result>88</result>


一块长方形菜地，长12米，比宽多4米，要在菜地四周围上篱笆，篱笆长几米？

A rectangular vegetable field is 12 meters long and 4 meters wider than it is wide. A fence should be built around the vegetable field. How long is the fence?

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


小红把100根绳子打结连起来，变成一根长绳，这根长绳上有多少个结．

Xiaohong knotted 100 ropes to form a long rope. How many knots are there on this long rope?

<gadget id="calculator">100 - 1</gadget>
<output>99</output>
<result>99</result>


Among the three numbers (2/3), 0.67, and (13/20), what is the smallest number

<gadget id="calculator">13 / 20</gadget>
<output>13/20 = around 0.65</output>
<result>13/20 = around 0.65</result>


把5米长的绳子平均分成8段，每段长度是多少米

Divide a 5-meter-long rope into 8 sections on average, what is the length of each section in meters

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">5 * (1/8)</gadget>
<output>5/8 = around 0.625</output>
<result>5/8 = around 0.625</result>


<gadget id="calculator">17 / 39</gadget>
<output>17/39 = around 0.435897</output>
<gadget id="calculator">34 / 13</gadget>
<output>34/13 = around 2.615385</output>
<gadget id="calculator">(17/39) / (34/13)</gadget>
<output>1/6 = around 0.166667</output>
<result>1/6 = around 0.166667</result>


6.3/1.3，当商除到百分位时．剩余部分是多少．

6.3/1.3, when the quotient is divided to the percentile. How much is the remainder.


工程队开始计划完成工程的(1/3)，以后由于改进技术，工作效率提高了(1/3)，结果前后一共用了55天完成任务，工程队原计划多少天完成任务？

The engineering team initially planned to complete (1/3) of the project. Later, due to improved technology, the work efficiency increased (1/3). As a result, it took 55 days to complete the task. How many days did the engineering team originally plan to complete the task?

<gadget id="calculator">55 * 4</gadget>
<output>220</output>
<gadget id="calculator">3 / 1</gadget>
<output>3</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/3) * 4</gadget>
<output>4/3 = around 1.333333</output>
<gadget id="calculator">(1/3) * 3</gadget>
<output>1</output>
<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">(4/3) + 2</gadget>
<output>10/3 = around 3.333333</output>
<gadget id="calculator">220 / (10/3)</gadget>
<output>66</output>
<result>66</result>


每个篮球35元，学校要买18个篮球，一共要花多少钱？

Each basketball is 35 yuan, and the school needs to buy 18 basketballs. How much will it cost in total?

<gadget id="calculator">35 * 18</gadget>
<output>630</output>
<result>630</result>


某人爬山上下山共用4小时，已知上山用2.4小时，下山的速度是每小时7.5千米，求上山的速度是多少？

It takes 4 hours for a person to go up and down the mountain. It is known that it takes 2.4 hours to go up the mountain, and the speed of going down the mountain is 7.5 kilometers per hour. What is the speed of going up the mountain?

<gadget id="calculator">4 - 2.4</gadget>
<output>1.6</output>
<gadget id="calculator">1.6 / 2.4</gadget>
<output>0.666667</output>
<gadget id="calculator">7.5 * 0.666667</gadget>
<output>5.000002</output>
<result>5.000002</result>


一个圆柱，底面直径和高都是2分米，这个圆柱的表面积是多少π平方分米．

If a cylinder has a base diameter and a height of 2 decimeters, what is the surface area of the cylinder?


把一个棱长为4分米的正方体钢锭轧成一块宽8分米、厚0.2分米的长方体钢板，钢板的长度是多少米？

A square steel ingot with a side length of 4 decimeters is rolled into a rectangular parallelepiped steel plate with a width of 8 decimeters and a thickness of 0.2 decimeters. What is the length of the steel plate in meters?

<gadget id="calculator">8 * 0.2</gadget>
<output>1.6</output>
<gadget id="calculator">4 / 1.6 / 10</gadget>
<output>0.25</output>
<gadget id="calculator">4 * 4 * 0.25</gadget>
<output>4</output>
<result>4</result>


一块平行四边形的玻璃，底为3米，高为2米，每平方米玻璃售价98元，买这块玻璃需要多少元？

A piece of parallelogram glass has a base of 3 meters and a height of 2 meters. The price per square meter of glass is 98 yuan. How much does it cost to buy this piece of glass?

<gadget id="calculator">3 * 2 * 98</gadget>
<output>588</output>
<result>588</result>


二1班同学平均分成5组，每组人数同样多，现在从每组中选出4名同学参加运动会团体操表演，剩下的同学人数正好等于原来3组的人数和，那么原来每组有多少人？

Class 21 students are divided into 5 groups on average, with the same number of people in each group. Now 4 students are selected from each group to participate in the group gymnastics performance of the sports meeting. The number of remaining students is just equal to the sum of the original 3 groups. people?

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


王英4月29日～5月5日看了一本书，这本书王英看了多少天．

Wang Ying read a book from April 29th to May 5th. How many days did Wang Ying read this book?

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


边长是200米的三个正方形拼在一起，面积是多少公顷．

What is the area of three squares whose side length is 200 meters?

<gadget id="calculator">3 / 10_000</gadget>
<output>3/10_000 = around 0.0003</output>
<gadget id="calculator">200 * 200 * (3/10_000)</gadget>
<output>12</output>
<result>12</result>


某考古工作队想测出一古塔高度．他们将一长为1米的木棒直立在地上，量得它的影长为0.8米．此时，古塔影长为16.4米，古塔实际高多少米？

An archaeological team wanted to measure the height of an ancient tower. They stood a wooden stick with a length of 1 meter upright on the ground, and measured its shadow length to be 0.8 meters. At this time, the shadow length of the ancient pagoda is 16.4 meters, how many meters is the actual height of the ancient pagoda?

<gadget id="calculator">1 / 0.8</gadget>
<output>1.25</output>
<gadget id="calculator">1.25 * 16.4</gadget>
<output>20.5</output>
<result>20.5</result>


<gadget id="calculator">73 * 301</gadget>
<output>21_973</output>
<gadget id="calculator">21_973 - 73</gadget>
<output>21_900</output>
<result>21_900</result>


一杯盐水，盐占盐水的(1/10)，把它平均分成2杯，每小杯盐占盐水的多少

cup of salt water, salt accounts for (1/10) of the salt water, divide it into 2 cups equally, how much salt accounts for each small cup of salt water

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


上衣每件154元，裙子每条76元，学校舞蹈队购买了28套，应付多少元？

The tops are 154 yuan each, and the skirts are 76 yuan each. The school dance team bought 28 sets. How much should I pay?

<gadget id="calculator">154 + 76</gadget>
<output>230</output>
<gadget id="calculator">230 * 28</gadget>
<output>6_440</output>
<result>6_440</result>


甲、乙、丙三人拿出同样多的钱买一批苹果，分配时甲乙都比丙多拿24千克，甲和乙都要给丙24元，每千克苹果多少元？

A, B, and C spend the same amount of money to buy a batch of apples. A and B get 24 kilograms more than C when they distribute them. Both A and B give C 24 yuan. How much is each kilogram of apples?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">24 * (2/3)</gadget>
<output>16</output>
<gadget id="calculator">2 / 16</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">24 * (1/8)</gadget>
<output>3</output>
<result>3</result>


甲乙两人共间加工一批零件，甲3天可加工50个，乙5天可加工30个，先由甲单独做，然后在由乙接着做，这样120天后，一共加工了1520个，刚好完成任务，完成任务时甲比乙多做了多少个零件？

A and B process a batch of parts together. A can process 50 parts in 3 days, and B can process 30 parts in 5 days. First, A alone does it, and then B continues to do it. After 120 days, a total of 1520 parts have been processed, which is just right. To complete the task, how many parts did A make more than B when completing the task?

<gadget id="calculator">50 / 3</gadget>
<output>50/3 = around 16.666667</output>
<gadget id="calculator">30 / 5</gadget>
<output>6</output>
<gadget id="calculator">6 * 120</gadget>
<output>720</output>
<gadget id="calculator">1_520 - 720</gadget>
<output>800</output>
<gadget id="calculator">(50/3) - 6</gadget>
<output>32/3 = around 10.666667</output>
<gadget id="calculator">800 / (32/3)</gadget>
<output>75</output>
<gadget id="calculator">(50/3) * 75</gadget>
<output>1_250</output>
<gadget id="calculator">120 - 75</gadget>
<output>45</output>
<gadget id="calculator">6 * 45</gadget>
<output>270</output>
<gadget id="calculator">1_250 - 270</gadget>
<output>980</output>
<result>980</result>


一块长方形的广场，长1000米，宽800米，给它铺上瓷砖，每公顷需要800元，铺完这个广场需要多少钱？

A rectangular square is 1,000 meters long and 800 meters wide. It costs 800 yuan per hectare to pave it with tiles. How much does it cost to pave the square?

<gadget id="calculator">800 / 10_000</gadget>
<output>2/25 = around 0.08</output>
<gadget id="calculator">1_000 * (2/25) * 800</gadget>
<output>64_000</output>
<result>64_000</result>


下面的数中与5.5元最接近的是多少元

Which of the following numbers is closest to 5.5 yuan


修一段公路，原计划120人50天完工．工作30天后，有20人被调走赶修其他路段，这样剩下的人还需多少天才能完成任务？

To build a section of road, it was originally planned to be completed by 120 people in 50 days. After 30 days of work, 20 people were transferred away to repair other road sections, so how many days will it take for the remaining people to complete the task?

<gadget id="calculator">120 * 50</gadget>
<output>6_000</output>
<gadget id="calculator">1 / 6_000</gadget>
<output>1/6_000 = around 0.000167</output>
<gadget id="calculator">(1/6_000) * 30 * 120</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">120 - 20</gadget>
<output>100</output>
<gadget id="calculator">(1/6_000) * 100</gadget>
<output>1/60 = around 0.016667</output>
<gadget id="calculator">(2/5) / (1/60)</gadget>
<output>24</output>
<result>24</result>


一个长方形的长是8厘米，比宽多3厘米，它的周长是多少．

If the length of a rectangle is 8 cm and its width is 3 cm, what is its perimeter?

<gadget id="calculator">8 - 3</gadget>
<output>5</output>
<gadget id="calculator">8 + 5</gadget>
<output>13</output>
<gadget id="calculator">13 * 2</gadget>
<output>26</output>
<result>26</result>


如果一个圆的面积扩大4倍，则它的半径扩大多少倍．

If the area of a circle is enlarged by 4 times, how many times will its radius be enlarged?


小明期末考试语文、英语两科的平均成绩是90分，数学成绩公布后，它的平均成绩提高了3分，它的数学成绩是多少分？

Xiaoming's average score in Chinese and English in the final exam is 90 points. After the math score is released, his average score has increased by 3 points. What is his math score?

<gadget id="calculator">90 + 3</gadget>
<output>93</output>
<gadget id="calculator">93 * 3</gadget>
<output>279</output>
<gadget id="calculator">90 * 2</gadget>
<output>180</output>
<gadget id="calculator">279 - 180</gadget>
<output>99</output>
<result>99</result>


十岁的小雯和爸爸、妈妈到博物馆参观，成人票每张9.5元，儿童票每张5.5元，买门票一共需要多少元？

Ten-year-old Xiaowen went to visit the museum with her father and mother. Adult tickets are 9.5 yuan each, and children’s tickets are 5.5 yuan each. How much does it cost to buy tickets?

<gadget id="calculator">9.5 * 2</gadget>
<output>19</output>
<gadget id="calculator">19 + 5.5</gadget>
<output>24.5</output>
<result>24.5</result>


植物园上午有游客908人，中午有365人离去，下午又来了428人，下午园内有多少位游客？

There were 908 tourists in the botanical garden in the morning, 365 people left at noon, and 428 people came in the afternoon. How many tourists are there in the garden in the afternoon?

<gadget id="calculator">908 - 365</gadget>
<output>543</output>
<gadget id="calculator">543 + 428</gadget>
<output>971</output>
<result>971</result>


李大伯家养了48只鸡，养鸭的只数是鸡的一半．李大伯家一共养鸡、鸭多少只．

Uncle Li's family has 48 chickens, and the number of ducks is half of the number of chickens. Uncle Li's family raised a total of chickens and ducks.

<gadget id="calculator">48 / 2</gadget>
<output>24</output>
<gadget id="calculator">24 + 48</gadget>
<output>72</output>
<result>72</result>


一本书原价42元，如果按九折出售，现价比原价便宜了多少元．

The original price of a book is 42 yuan. If it is sold at a 10% discount, how much is the current price cheaper than the original price?

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">1 - (9/10)</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">42 * (1/10)</gadget>
<output>21/5 = around 4.2</output>
<result>21/5 = around 4.2</result>


<gadget id="calculator">3 * 36</gadget>
<output>108</output>
<result>108</result>


36*26*25*35*48*55*125 How many consecutive 0s are there at the end of the product?


鸡和兔一共有49只，一共有100只脚，则兔有多少只．

There are 49 chickens and rabbits, and a total of 100 legs. How many rabbits are there?

<gadget id="calculator">49 * 4</gadget>
<output>196</output>
<gadget id="calculator">196 - 100</gadget>
<output>96</output>
<gadget id="calculator">4 - 2</gadget>
<output>2</output>
<gadget id="calculator">96 / 2</gadget>
<output>48</output>
<gadget id="calculator">49 - 48</gadget>
<output>1</output>
<result>1</result>


24颗糖平均分给8个小朋友，每人分得这些糖的((())/(()))，每有分得多少颗．

24 candies are distributed to 8 children on average, each of these candies ((())/(())), how many candies each person gets.

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


修一条公路，7天修完1120米，照这样的速度，共修了17天正好修完，这条公路全长多少米？(用比例解)

It took 1,120 meters to build a road in 7 days. At this speed, it took 17 days to complete the repair. How long is the road in meters? (Solve with ratio)

<gadget id="calculator">1_120 * 17</gadget>
<output>19_040</output>
<gadget id="calculator">19_040 / 7</gadget>
<output>2_720</output>
<result>2_720</result>


把(2/9)的分子扩大3倍，要使分数大小不变，它的分母应该多少．

To enlarge the numerator of (2/9) by 3 times, what should be the denominator in order to keep the size of the fraction constant.


游泳池长50米，小明游了8个来回，一共游了多少米？

The swimming pool is 50 meters long. Xiao Ming swam 8 times, how many meters did he swim in total?

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


装配一批电视机，原计划每天装配24台，实际每天装配30台，原计划40天完成，实际多少天完成？(用比例解)

Assembling a batch of TV sets, originally planned to assemble 24 sets per day, actually assembled 30 sets per day, originally planned to complete in 40 days, how many days was actually completed? (Solve with ratio)

<gadget id="calculator">24 * 40</gadget>
<output>960</output>
<gadget id="calculator">960 / 30</gadget>
<output>32</output>
<result>32</result>


一个圆柱形杯子，底面周长是31.4厘米，高20厘米．用这个杯子装牛奶，只可能装下多少毫升．

A cylindrical cup has a base circumference of 31.4 cm and a height of 20 cm. Use this cup to hold milk, only how many milliliters can it hold.


两个工人加工零件，甲每时加工24个零件，乙比甲每时多加工8个，每人每天加工8个小时，两人一周可加工多少个零件？(工作日按5天计算)

Two workers process parts, A processes 24 parts per hour, B processes 8 more parts than A per hour, and each worker processes 8 hours a day, how many parts can the two workers process in a week? (Working days are calculated as 5 days)

<gadget id="calculator">24 * 8 * 5</gadget>
<output>960</output>
<gadget id="calculator">24 + 8</gadget>
<output>32</output>
<gadget id="calculator">32 * 8 * 5</gadget>
<output>1_280</output>
<gadget id="calculator">960 + 1_280</gadget>
<output>2_240</output>
<result>2_240</result>


一个工厂有甲、乙、丙三个车间．共有147人，每个车间的人数都相等．甲车间的男职工和乙车间的女职工人数相等．丙车间的女职工人数占全厂女职工人数的(4/11)，全厂共有女职工多少人？

factory has three workshops A, B and C. There are 147 people in total, and the number of people in each workshop is equal. There are equal numbers of male workers in workshop A and female workers in workshop B. The number of female workers in Workshop C accounts for 4/11 of the total number of female workers in the whole factory. How many female workers are there in the whole factory?

<gadget id="calculator">147 / 3</gadget>
<output>49</output>
<gadget id="calculator">4 / 11</gadget>
<output>4/11 = around 0.363636</output>
<gadget id="calculator">1 - (4/11)</gadget>
<output>7/11 = around 0.636364</output>
<gadget id="calculator">49 / (7/11)</gadget>
<output>77</output>
<result>77</result>


王师傅加工一批零件，每小时加工47个，一天工作7小时，一周可以加工多少个？

Master Wang processes a batch of parts, processing 47 per hour, working 7 hours a day, how many parts can be processed in a week?

<gadget id="calculator">47 * 7 * 7</gadget>
<output>2_303</output>
<result>2_303</result>


华联商场一件大衣原价520元，现在打八折优惠．如果使用贵宾卡，可以再打九折，使用贵宾卡需要花多少元？

The original price of a coat in Hualian Shopping Center is 520 yuan, and now there is a 20% discount. If you use the VIP card, you can get another 10% discount. How much does it cost to use the VIP card?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">520 * (4/5) * (9/10)</gadget>
<output>1_872/5 = around 374.4</output>
<result>1_872/5 = around 374.4</result>


<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>
<gadget id="calculator">(4/7) * 54</gadget>
<output>216/7 = around 30.857143</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">16 * (3/5)</gadget>
<output>48/5 = around 9.6</output>
<gadget id="calculator">(216/7) - (48/5)</gadget>
<output>744/35 = around 21.257143</output>
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>
<gadget id="calculator">27 * (6/7)</gadget>
<output>162/7 = around 23.142857</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/5) * 3</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(744/35) + (162/7) + (3/5)</gadget>
<output>45</output>
<result>45</result>


兴隆饭店8月份的营业额是60万元．如果按营业额的5%缴纳营业税，8月份应缴纳营业税款多少万元．

The turnover of Xinglong Hotel in August was 600,000 yuan. If the business tax is paid at 5% of the turnover, how much business tax should be paid in August?

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">60 * (1/20)</gadget>
<output>3</output>
<result>3</result>


金山水泥厂生产谁能存放两个仓库，甲仓存放水泥的(14/25)，如果从第一仓库调6吨到第二仓，这时两仓一样多．两个仓库一共存水泥多少吨？

Who can store two warehouses in Jinshan Cement Factory, the first warehouse stores cement (14/25), if 6 tons are transferred from the first warehouse to the second warehouse, then the two warehouses have the same amount. How many tons of cement are stored in the two warehouses?

<gadget id="calculator">14 / 25</gadget>
<output>14/25 = around 0.56</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(14/25) - (1/2)</gadget>
<output>3/50 = around 0.06</output>
<gadget id="calculator">6 / (3/50)</gadget>
<output>100</output>
<result>100</result>


动物园里有56只猴子，平均每只猴子每天吃香蕉2千克．动物园里猴子每天吃香蕉多少千克？

There are 56 monkeys in the zoo, and each monkey eats 2 kilograms of bananas on average every day. How many kilograms of bananas do monkeys in the zoo eat every day?

<gadget id="calculator">2 * 56</gadget>
<output>112</output>
<result>112</result>


一艘轮船从甲港开往乙港，去时顺水，每小时32千米，15小时到达．返回时逆水，速度降低了25%，多少小时返回甲港？

ship sails from port A to port B, travels along the current, 32 kilometers per hour, and arrives in 15 hours. When returning back against the current, the speed is reduced by 25%. How long will it take to return to Port A?

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">32 * (3/4)</gadget>
<output>24</output>
<gadget id="calculator">15 / 24</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">32 * (5/8)</gadget>
<output>20</output>
<result>20</result>


一个数扩大100倍后，小数点再向左移动三位，得3.68，原来的数是多少．

After a number is enlarged by 100 times, the decimal point is moved to the left by three places to get 3.68. What is the original number?

<gadget id="calculator">1_000 / 100</gadget>
<output>10</output>
<gadget id="calculator">3.68 * 10</gadget>
<output>36.8</output>
<result>36.8</result>


1000枚一元的硬币大约重6千克．照这样推算，一枚一元的硬币大约重多少克克．

1000 one-dollar coins weigh about 6 kilograms. Calculated in this way, how many grams does a one-yuan coin weigh?

<gadget id="calculator">6 * 1_000</gadget>
<output>6_000</output>
<gadget id="calculator">6_000 / 1_000</gadget>
<output>6</output>
<result>6</result>


<gadget id="calculator">10 / 3</gadget>
<output>10/3 = around 3.333333</output>
<gadget id="calculator">5 / (10/3)</gadget>
<output>3/2 = around 1.5</output>
<result>3/2 = around 1.5</result>


在股票交易中，每买进或卖出一种股票，都必须按成交金额的0.2%和0.35%分别交纳印花税和佣金(即手续费)．老王1月18日以每股12元的价格买进一种科技类股票3000股，6月26日以每股14.8元的价格将这些股票全部卖出．老王买卖这种股票一共赚了多少钱？

In stock trading, every time you buy or sell a stock, you must pay stamp duty and commission (ie handling fee) at 0.2% and 0.35% of the transaction amount respectively. Lao Wang bought 3,000 shares of a technology stock at a price of 12 yuan per share on January 18, and sold all of these stocks at a price of 14.8 yuan per share on June 26. How much money did Lao Wang make in total by buying and selling this stock?

<gadget id="calculator">0.25 / 100</gadget>
<output>0.0025</output>
<gadget id="calculator">0.35 / 100</gadget>
<output>0.0035</output>
<gadget id="calculator">1 - 0.0025 - 0.0035</gadget>
<output>0.994</output>
<gadget id="calculator">14.8 * 3_000 * 0.994</gadget>
<output>44_133.6</output>
<gadget id="calculator">1 + 0.0025 + 0.0035</gadget>
<output>1.006</output>
<gadget id="calculator">12 * 3_000 * 1.006</gadget>
<output>36_216</output>
<gadget id="calculator">44_133.6 - 36_216</gadget>
<output>7_917.6</output>
<result>7_917.6</result>


公园里有65棵海棠，相当于樱花棵数的5倍，樱花有多少棵？(用含有x的等式解答)

There are 65 crabapple trees in the park, equivalent to five times the number of cherry blossoms. How many cherry blossoms are there? (solve with an equation involving x)

<gadget id="calculator">65 / 5</gadget>
<output>13</output>
<result>13</result>


一条毛毛虫长到成虫，每天长一倍，10天能长到10厘米，长到20厘米时要多少天．

A caterpillar grows to an adult and doubles in size every day. It can grow to 10 cm in 10 days. How many days does it take to grow to 20 cm?

<gadget id="calculator">10 + 1</gadget>
<output>11</output>
<result>11</result>


学校共有102名教师，其中男教师占全校老师人数的(1/3)，女教师有多少人？

There are 102 teachers in the school, of which male teachers account for 1/3 of the total number of teachers in the school. How many female teachers are there?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">102 * (2/3)</gadget>
<output>68</output>
<result>68</result>


在比例尺是1：500000的地图上，测得南京与上海的距离是6厘米，在另一幅比例尺是1：400000的地图上，南京与上海的距离应是多少厘米？

On a map with a scale of 1:500,000, the measured distance between Nanjing and Shanghai is 6 cm. On another map with a scale of 1:400,000, how many centimeters should the distance between Nanjing and Shanghai be?

<gadget id="calculator">1 / 500_000</gadget>
<output>1/500_000 = around 0.000002</output>
<gadget id="calculator">6 / (1/500_000)</gadget>
<output>3_000_000</output>
<gadget id="calculator">1 / 400_000</gadget>
<output>1/400_000 = around 0.000002</output>
<gadget id="calculator">3_000_000 * (1/400_000)</gadget>
<output>15/2 = around 7.5</output>
<result>15/2 = around 7.5</result>


一本科普书，小明第一天看了全书的(3/8)，第二天读了全书的(1/3)，还剩下全书的几分之几没有读？

For a popular science book, Xiao Ming reads (3/8) of the whole book on the first day and (1/3) of the whole book on the second day, what percentage of the whole book is left unread?

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(3/8) + (1/3)</gadget>
<output>17/24 = around 0.708333</output>
<gadget id="calculator">1 - (17/24)</gadget>
<output>7/24 = around 0.291667</output>
<result>7/24 = around 0.291667</result>


一块正方形彩纸的面积是36平方厘米，那么它的边长是多少厘米．

If the area of a square colored paper is 36 square centimeters, what is the length of its side in centimeters?


食堂原来每天烧煤200千克，改进烧煤方法后，每天烧煤150千克，节约了百分之几？

The cafeteria used to burn 200 kilograms of coal per day. After improving the coal burning method, it burns 150 kilograms of coal per day. How much is the savings?

<gadget id="calculator">200 - 150</gadget>
<output>50</output>
<gadget id="calculator">50 / 200</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


小红有25块巧克力糖，小军有巧克力糖的块数比小红的3倍少16块，小军比小红多多少块巧克力糖？

Xiaohong has 25 chocolate candies, Xiaojun has 16 less chocolate candies than Xiaohong's three times, how many chocolate candies does Xiaojun have more than Xiaohong?

<gadget id="calculator">25 * 3</gadget>
<output>75</output>
<gadget id="calculator">75 - 16 - 25</gadget>
<output>34</output>
<result>34</result>


把一段圆柱形木料削成一个最大的圆锥，圆柱的体积是6立方分米，圆锥的体积是多少立方分米．

Cut a piece of cylindrical wood into the largest cone. The volume of the cylinder is 6 cubic decimeters. What is the volume of the cone?

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


一个圆柱形水桶里放入一段半径5厘米的圆钢，把它全部放入水中，桶里的水面上升了9厘米，如果把水中的圆钢提起，使它露出水面8厘米，那么桶里的水面就下降4厘米，求圆钢的体积．(π取3.14)

Put a piece of round steel with a radius of 5 cm in a cylindrical bucket, put it all into the water, the water level in the bucket rises by 9 cm, if you lift up the round steel in the water so that it is 8 cm above the water surface, then the water in the bucket The water level drops by 4 cm, find the volume of the round steel. (π takes 3.14)

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">78.5 * (4/9)</gadget>
<output>34.888889</output>
<gadget id="calculator">200 / 34.888889</gadget>
<output>5.732484</output>
<gadget id="calculator">3.14 * 5.732484</gadget>
<output>18</output>
<gadget id="calculator">78.5 * 18</gadget>
<output>1_413</output>
<result>1_413</result>


小巧用8颗围棋子放在桌子上排成一行，每两颗围棋子之间都相隔5厘米，从第一颗围棋子到最后一颗之间一共相隔多少厘米．

Xiaoqiao put 8 Go pieces in a row on the table, and there is a distance of 5 cm between each two Go pieces. How many centimeters is the total distance between the first Go piece and the last one?

<gadget id="calculator">8 - 1</gadget>
<output>7</output>
<gadget id="calculator">7 * 5</gadget>
<output>35</output>
<result>35</result>


一个容器内装有10升纯酒精，倒出2.5升后，用水加满，再倒出5升，再用水加满，这时容器内的溶液的浓度是多少？

A container contains 10 liters of pure alcohol. After pouring out 2.5 liters, fill it up with water, pour out another 5 liters, and then fill it up with water. What is the concentration of the solution in the container at this time?

<gadget id="calculator">10 - 2.5</gadget>
<output>7.5</output>
<gadget id="calculator">7.5 / 10</gadget>
<output>0.75</output>
<gadget id="calculator">0.75 * 5</gadget>
<output>3.75</output>
<gadget id="calculator">7.5 - 3.75</gadget>
<output>3.75</output>
<gadget id="calculator">3.75 / 10</gadget>
<output>0.375</output>
<result>0.375</result>


鸡比鸭多6只，鸭有28只，求鸡鸭的总只数．解答这题要先求多少

There are 6 more chickens than ducks, and there are 28 ducks. Find the total number of chickens and ducks. How much do you need to answer this question

<gadget id="calculator">28 + 6</gadget>
<output>34</output>
<gadget id="calculator">34 + 28</gadget>
<output>62</output>
<result>62</result>


某市某日最高气温13℃最低气温-8℃则该市某日的温差为多少．

If the highest temperature in a city is 13°C and the lowest temperature is -8°C on a certain day, what is the temperature difference in that city on a certain day?

<gadget id="calculator">13 - (-8)</gadget>
<output>21</output>
<result>21</result>


柠檬厂有女职工460人，其中女工人数比男工人数的五倍少40人，这个厂的男人职工有多少人．

There are 460 female workers in the lemon factory, and the number of female workers is 40 fewer than the number of male workers, which is five times the number of male workers. How many male workers are there in this factory?

<gadget id="calculator">460 + 40</gadget>
<output>500</output>
<gadget id="calculator">500 / 5</gadget>
<output>100</output>
<result>100</result>


安装一批水管，前6天安装126米，照这样的速度，又用了15天把水管全部安装完，这批水管一共有多少米？

batch of water pipes were installed, and 126 meters were installed in the first 6 days. At this speed, it took another 15 days to install all the water pipes. How many meters are this batch of water pipes in total?

<gadget id="calculator">126 / 6</gadget>
<output>21</output>
<gadget id="calculator">21 * 6</gadget>
<output>126</output>
<gadget id="calculator">21 * 15</gadget>
<output>315</output>
<gadget id="calculator">126 + 315</gadget>
<output>441</output>
<result>441</result>


一个圆柱形铁块的底面半径是10厘米，高5厘米，把它熔铸成一个底面积是157平方厘米的圆锥形铁块，求圆锥的高．(用方程解答)？

A cylindrical iron block has a base radius of 10 cm and a height of 5 cm. It is melted and cast into a conical iron block with a base area of 157 cm2. Find the height of the cone. (solution with equation)?

<gadget id="calculator">3.14 * 10 * 10 * 5</gadget>
<output>1_570</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/3) * 157</gadget>
<output>157/3 = around 52.333333</output>
<gadget id="calculator">1_570 / (157/3)</gadget>
<output>30</output>
<result>30</result>


食堂买来15千克西红柿和20千克黄瓜，共用去33元，已知每千克黄瓜0.75元，每千克西红柿多少钱？(用方程解)

The cafeteria bought 15 kilograms of tomatoes and 20 kilograms of cucumbers, which cost 33 yuan. It is known that each kilogram of cucumbers is 0.75 yuan. How much is a kilogram of tomatoes? (solution by equation)

<gadget id="calculator">20 * 0.75</gadget>
<output>15</output>
<gadget id="calculator">33 - 15</gadget>
<output>18</output>
<gadget id="calculator">18 / 15</gadget>
<output>6/5 = around 1.2</output>
<result>6/5 = around 1.2</result>


果园里梨树的棵数是苹果树的(2/5)．桃树的棵数比苹果树多(1/4)．苹果树比桃树少20棵．梨树有多少棵？

There are (2/5) as many pear trees as there are apple trees in the orchard. There are more peach trees than apple trees (1/4). There are 20 fewer apple trees than peach trees. How many pear trees are there?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">20 / (1/4)</gadget>
<output>80</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">80 * (2/5)</gadget>
<output>32</output>
<result>32</result>


一个长方形的周长是120米，长与宽的比是3：2．这个长方形的面积是多少平方米？

The perimeter of a rectangle is 120 meters and the ratio of length to width is 3:2. What is the area of this rectangle in square meters?

<gadget id="calculator">120 / 2</gadget>
<output>60</output>
<gadget id="calculator">3 + 2</gadget>
<output>5</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">60 * (3/5)</gadget>
<output>36</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">60 * (2/5)</gadget>
<output>24</output>
<gadget id="calculator">36 * 24</gadget>
<output>864</output>
<result>864</result>


某校有女生458之人，比男生少42人，男生有多少人．

There are 458 girls in a certain school, 42 fewer than boys, how many boys are there?

<gadget id="calculator">458 + 42</gadget>
<output>500</output>
<result>500</result>


<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">18 / (2/5)</gadget>
<output>45</output>
<gadget id="calculator">45 * 5</gadget>
<output>225</output>
<result>225</result>


一块梯形的面积是156平方米，他的上底是12.5米，下底是27.5米，高是多少米？(列方程解答)

The area of a trapezoid is 156 square meters, its upper base is 12.5 meters, and its lower base is 27.5 meters. How many meters is its height? (column equation solution)

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">12.5 * (1/2)</gadget>
<output>6.25</output>
<gadget id="calculator">27.5 * (1/2)</gadget>
<output>13.75</output>
<gadget id="calculator">6.25 + 13.75</gadget>
<output>20</output>
<gadget id="calculator">156 / 20</gadget>
<output>39/5 = around 7.8</output>
<result>39/5 = around 7.8</result>


在学校林荫道一侧插彩旗，每隔5米插一面，从一端到另一端一共插了8面，这条林荫道长多少米？

Put colorful flags on one side of the school boulevard, every 5 meters, and insert a total of 8 flags from one end to the other. How many meters is this boulevard?

<gadget id="calculator">8 - 1</gadget>
<output>7</output>
<gadget id="calculator">5 * 7</gadget>
<output>35</output>
<result>35</result>


几名工人在三峡水库的一边植树32棵，每棵树相距3.64米，从第一棵树到最后一棵树共长多少米？

Several workers planted 32 trees on one side of the Three Gorges Reservoir. The distance between each tree is 3.64 meters. How many meters is the total length from the first tree to the last tree?

<gadget id="calculator">32 - 1</gadget>
<output>31</output>
<gadget id="calculator">31 * 3.64</gadget>
<output>112.84</output>
<result>112.84</result>


一个正方体的棱长和是48cm，它的棱长是多少cm．

The sum of the sides of a cube is 48 cm, what is the length of its sides in cm?

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


一个正方形操场，边长是50米．小明沿操场边跑了5圈，他一共跑了多少米？

A square playground has a side length of 50 meters. Xiao Ming ran 5 laps along the side of the playground, how many meters did he run in total?

<gadget id="calculator">50 * 4 * 5</gadget>
<output>1_000</output>
<result>1_000</result>


A、B两只青蛙玩跳跃游戏，A每次跳12厘米，B每次跳15厘米，它们每秒都只跳1次，且一起从起点开始．在比赛途中，每隔30厘米有一陷阱，当它们中第一只掉进陷阱时，另一只距离最近的陷阱有多少厘米．

Two frogs A and B are playing a jumping game. A jumps 12 centimeters each time, and B jumps 15 centimeters each time. They only jump once per second, and they start from the starting point together. During the game, there is a trap every 30 centimeters. When the first one of them falls into the trap, how many centimeters is the other one from the nearest trap?

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


一间厨房长30分米、宽24分米的地面上要铺正方形地砖，可以选择边长为多少分米的方砖，才能铺得既整齐又节约？

A kitchen with a length of 30 decimeters and a width of 24 decimeters should be paved with square floor tiles. How many decimeters of square tiles can be chosen to lay them neatly and economically?

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


两个因数都是50，积是多少．

Both factors are 50, what is the product.

<gadget id="calculator">50 * 50</gadget>
<output>2_500</output>
<result>2_500</result>


一个圆柱形油桶，从里面量，底面直径6分米，高10分米．桶中现有的油占油桶容积的30%．桶中现有油多少升？

cylindrical oil barrel, measured from the inside, has a base diameter of 6 decimeters and a height of 10 decimeters. The existing oil in the barrel accounts for 30% of the volume of the barrel. How many liters of oil are there in the barrel?

<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>
<gadget id="calculator">3.14 * 9 * 10</gadget>
<output>282.6</output>
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">282.6 * (3/10)</gadget>
<output>84.78</output>
<result>84.78</result>


一块长36dm，宽20dm的长方形，最多可以裁多少个半径为2dm的圆．

How many circles with a radius of 2dm can be cut from a rectangle with a length of 36dm and a width of 20dm?

<gadget id="calculator">2 * 2</gadget>
<output>4</output>
<gadget id="calculator">20 / 4</gadget>
<output>5</output>
<gadget id="calculator">36 / 4</gadget>
<output>9</output>
<gadget id="calculator">5 * 9</gadget>
<output>45</output>
<result>45</result>


一个等腰三角形周长54厘米，底边长16厘米，腰长是多少厘米？

An isosceles triangle has a perimeter of 54 cm and a base of 16 cm. What is the waist length in cm?

<gadget id="calculator">54 - 16</gadget>
<output>38</output>
<gadget id="calculator">38 / 2</gadget>
<output>19</output>
<result>19</result>


将一根长10分米的绳子剪成三段，每段均为整分米数，其中能围成三角形的可能性是多少

Cut a rope 10 decimeters long into three sections, each of which is an integer number of decimeters, what is the probability that a triangle can be formed

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>
<result>2/9 = around 0.222222</result>


长方体棱长和是216厘米，它的长、宽、高之比是4：3：2，长方体的体积是多少？

The sum of the sides of a cuboid is 216 cm, and the ratio of its length, width, and height is 4:3:2. What is the volume of the cuboid?

<gadget id="calculator">216 / 4</gadget>
<output>54</output>
<gadget id="calculator">4 + 3 + 2</gadget>
<output>9</output>
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">54 * (4/9)</gadget>
<output>24</output>
<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">54 * (1/3)</gadget>
<output>18</output>
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>
<gadget id="calculator">54 * (2/9)</gadget>
<output>12</output>
<gadget id="calculator">24 * 18 * 12</gadget>
<output>5_184</output>
<result>5_184</result>


小敏在期末考试中，语文成绩是96分，数学成绩是93分，英语成绩是84分．她三门功课的平均成绩是多少？

In the final exam, Xiao Min scored 96 points in Chinese, 93 points in mathematics, and 84 points in English. What is her average grade in the three subjects?

<gadget id="calculator">96 + 93 + 84</gadget>
<output>273</output>
<gadget id="calculator">273 / 3</gadget>
<output>91</output>
<result>91</result>


两个数的积是240，如果一个因数不变，另一个因数缩小到十分之一，则积是多少．

The product of two numbers is 240. If one factor remains unchanged and the other factor is reduced to one-tenth, what is the product.

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">240 * (1/10)</gadget>
<output>24</output>
<result>24</result>


甲、乙两个工程队合修一条公路，甲队完成了这条路40%，比乙队少修30米，这条路长多少米．

Two engineering teams, A and B, jointly build a road. Team A has completed 40% of the road, which is 30 meters shorter than team B. How long is the road in meters?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 - (2/5) - (2/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">30 / (1/5)</gadget>
<output>150</output>
<result>150</result>


一条绳子长(5/6)米，第一天剪去它的(1/4)，第二天剪去它的(2/5)，还剩这条绳子的几分之几没有剪？

A rope is (5/6) meters long, cut off (1/4) on the first day, and cut off (2/5) on the second day, what fraction of the rope is left uncut?

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


一个长方形的木块，高12厘米，长和宽都是10厘米，若把它削成一个最大的圆锥，这个圆锥的体积是多少立方厘米？

A rectangular block of wood is 12 cm high and 10 cm long and wide. If it is cut into the largest cone, what is the volume of the cone in cubic centimeters?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">(1/3) * 3.14 * 25 * 12</gadget>
<output>314</output>
<result>314</result>


宠物商店有狐狸犬和西施犬共2012只，其中母犬1110只，狐狸犬1506只，公西施犬202只．那么母狐狸犬有多少只？

There are 2012 Foxes and Shih Tzus in the pet store, including 1110 females, 1506 Foxes and 202 male Shih Tzus. So how many female Spitz?

<gadget id="calculator">2_012 - 1_110</gadget>
<output>902</output>
<gadget id="calculator">902 - 202</gadget>
<output>700</output>
<gadget id="calculator">1_506 - 700</gadget>
<output>806</output>
<result>806</result>


<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">(3/10) * (5/7)</gadget>
<output>3/14 = around 0.214286</output>
<gadget id="calculator">5 / 14</gadget>
<output>5/14 = around 0.357143</output>
<gadget id="calculator">(3/14) / (5/14)</gadget>
<output>3/5 = around 0.6</output>
<result>3/5 = around 0.6</result>


"六一"画展所参展的画中，14幅不是六年级的，17幅不是五年级的，而五、六年级共展画21幅，那么，其它年级参展的画是多少幅．

Among the paintings exhibited in the "June 1st" art exhibition, 14 are not from the sixth grade, 17 are not from the fifth grade, and there are 21 paintings from the fifth and sixth grades. Then, how many paintings from other grades are exhibited?

<gadget id="calculator">14 + 17</gadget>
<output>31</output>
<gadget id="calculator">31 - 21</gadget>
<output>10</output>
<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<result>5</result>


岭南小学三年级有4个班，每班都是42人．如果每人都从图书馆借2本书，这个年级的学生一共借书多少本？

There are 4 classes in the third grade of Lingnan Primary School, each class has 42 students. If everyone borrows 2 books from the library, how many books are borrowed by students in this grade?

<gadget id="calculator">42 * 4 * 2</gadget>
<output>336</output>
<result>336</result>


<gadget id="calculator">1.2 * 4</gadget>
<output>4.8</output>
<gadget id="calculator">2.5 + 4.8</gadget>
<output>7.3</output>
<gadget id="calculator">7.3 / 5</gadget>
<output>1.46</output>
<result>1.46</result>


What is the solution of equation 6-2x=2 is x=

<gadget id="calculator">6 - 2</gadget>
<output>4</output>
<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<result>2</result>


一根电线，用去(3/5)米，用去的比剩下的少(1/4)米，这根电线原来有多长？

wire, (3/5) meter is used, and the used part is less than (1/4) meter, what is the original length of this wire?

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(3/5) + (1/4) + (3/5)</gadget>
<output>29/20 = around 1.45</output>
<result>29/20 = around 1.45</result>


一个分数的分子和分母的和是143，约分后是(3/8)，原分数是多少．

The sum of the numerator and denominator of a fraction is 143, which is (3/8) after division. What is the original fraction?

<gadget id="calculator">8 + 3</gadget>
<output>11</output>
<gadget id="calculator">3 / 11</gadget>
<output>3/11 = around 0.272727</output>
<gadget id="calculator">8 / 11</gadget>
<output>8/11 = around 0.727273</output>
<gadget id="calculator">143 * (8/11)</gadget>
<output>104</output>
<gadget id="calculator">(3/11) / 104</gadget>
<output>3/1_144 = around 0.002622</output>
<gadget id="calculator">143 * (3/1_144)</gadget>
<output>3/8 = around 0.375</output>
<result>3/8 = around 0.375</result>


7、10、9和多少可以组成比例．


一匹布，先减去一半，再减去余下的一半，剩9米，这匹布原来多长？

A piece of cloth, first subtract half, and then subtract the remaining half, leaving 9 meters, how long is this piece of cloth?

<gadget id="calculator">9 * 2 * 2</gadget>
<output>36</output>
<result>36</result>


有2个底面和厚度完全相同的圆柱形杯子，一个杯子高是12cm，能装180mL水，另一个杯子高是20cm，能装多少毫升水？

There are 2 cylindrical cups with exactly the same bottom and thickness. One cup is 12cm high and can hold 180mL of water. The other cup is 20cm high. How many milliliters of water can it hold?

<gadget id="calculator">180 * 20</gadget>
<output>3_600</output>
<gadget id="calculator">3_600 / 12</gadget>
<output>300</output>
<result>300</result>


120/3=40，120缩小2倍，3扩大2倍，商缩小多少倍

120/3=40, 120 is reduced by 2 times, 3 is expanded by 2 times, how many times the quotient is reduced


已知三个合数A，B，C两两互质，且A*B*C=11011*28，那么A+B+C的最大值为多少．

It is known that three composite numbers A, B, and C are mutually prime, and A*B*C=11011*28, so what is the maximum value of A+B+C?


一块地是(4/5)公顷，这块地的(1/7)是多少公顷．

A piece of land is (4/5) hectares, how many hectares is (1/7) of this piece of land?

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>
<gadget id="calculator">(4/5) * (1/7)</gadget>
<output>4/35 = around 0.114286</output>
<result>4/35 = around 0.114286</result>


一个多边形的边数是12，它的内角和是多少度？

A polygon has 12 sides, what is the sum of its interior angles?

<gadget id="calculator">12 - 2</gadget>
<output>10</output>
<gadget id="calculator">10 * 180</gadget>
<output>1_800</output>
<result>1_800</result>


一堆煤用载重4吨的汽车运需20辆才能一次运完，如果改用载重5吨的汽车运，需要几辆才能运完？

A pile of coal needs 20 vehicles with a load of 4 tons to be transported at one time. If it is transported with a vehicle with a load of 5 tons, how many vehicles are needed to transport it?

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


一块三角形钢板，底长2.5米，高2米，这块钢板的面积是多少平方米？

triangular steel plate has a base length of 2.5 meters and a height of 2 meters. What is the area of this steel plate in square meters?

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


在一个长1.2米，宽0.6米的硬纸板上剪半径是0.15米的圆，能剪多少个．

Cut a circle with a radius of 0.15 meters on a cardboard with a length of 1.2 meters and a width of 0.6 meters. How many circles can be cut?

<gadget id="calculator">0.15 * 2</gadget>
<output>0.3</output>
<gadget id="calculator">0.6 / 0.3</gadget>
<output>2</output>
<gadget id="calculator">1.2 / 0.3</gadget>
<output>4</output>
<gadget id="calculator">2 * 4</gadget>
<output>8</output>
<result>8</result>


甲乙两人分别从AB两地相对而行，甲每分钟行50米，乙每分钟行40米．两人分别到达AB两地后马上返回，在距离中点50米处两人相遇．AB两地相距多少米？

Two people, A and B, are walking towards each other from AB. A travels 50 meters per minute, and B travels 40 meters per minute. The two returned immediately after arriving at AB respectively, and they met at a distance of 50 meters from the midpoint. How far is the distance between A and B?

<gadget id="calculator">50 + 40</gadget>
<output>90</output>
<gadget id="calculator">50 - 40</gadget>
<output>10</output>
<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">50 * (1/5)</gadget>
<output>10</output>
<gadget id="calculator">10 / 3</gadget>
<output>10/3 = around 3.333333</output>
<gadget id="calculator">90 * (10/3)</gadget>
<output>300</output>
<result>300</result>


一项工程，甲队独做10天完成，乙队独做7天可完成(7/15)，甲、乙合作几天可以完成？

A project can be completed in 10 days by team A alone, and 7 days by team B alone (7/15), how many days can team A and B cooperate to complete it?

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">7 / 15</gadget>
<output>7/15 = around 0.466667</output>
<gadget id="calculator">(7/15) / 7</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/10) + (1/15)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 / (1/6)</gadget>
<output>6</output>
<result>6</result>


在比例尺是1：1000的地图上，量得一间房屋的地基长8厘米，宽5厘米，这间房屋的面积是多少平方米？

On a map with a scale of 1:1000, the foundation of a house is measured to be 8 cm long and 5 cm wide. What is the area of this house in square meters?

<gadget id="calculator">1 / 1_000</gadget>
<output>1/1_000 = around 0.001</output>
<gadget id="calculator">8 / (1/1_000) / 100</gadget>
<output>80</output>
<gadget id="calculator">5 / (1/1_000) / 100</gadget>
<output>50</output>
<gadget id="calculator">80 * 50</gadget>
<output>4_000</output>
<result>4_000</result>


一个长方形周长是60厘米，长是22厘米，长方形的面积是多少．

If the perimeter of a rectangle is 60 cm and the length is 22 cm, what is the area of the rectangle?

<gadget id="calculator">60 / 2</gadget>
<output>30</output>
<gadget id="calculator">30 - 22</gadget>
<output>8</output>
<gadget id="calculator">22 * 8</gadget>
<output>176</output>
<result>176</result>


一个等腰直角三角形的一条直角边长8厘米，它的面积是多少平方厘米．

If one side of an isosceles right triangle is 8 cm long, what is its area in square centimetres?

<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<gadget id="calculator">8 * 4</gadget>
<output>32</output>
<result>32</result>


修一条公路，第一天修了全长的25%，第二天修了全长的30%，还剩下360米没有修，这条路全长是多少米？

To build a road, 25% of the total length was repaired on the first day, and 30% of the total length was repaired on the second day, leaving 360 meters unrepaired. What is the total length of this road in meters?

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">1 - (1/4) - (3/10)</gadget>
<output>9/20 = around 0.45</output>
<gadget id="calculator">360 / (9/20)</gadget>
<output>800</output>
<result>800</result>


修一条公路，4天修了全长的(4/5)，平均每天修全长的多少．

To build a road, the full length (4/5) was built in 4 days, how much is the full length repaired every day on average.

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


<gadget id="calculator">36.7 * 175.4</gadget>
<output>6_437.18</output>
<gadget id="calculator">36.7 * 76.4</gadget>
<output>2_803.88</output>
<gadget id="calculator">6_437.18 - 2_803.88</gadget>
<output>3_633.3</output>
<gadget id="calculator">3_633.3 + 36.7</gadget>
<output>3_670</output>
<result>3_670</result>


一块长方形稻田，长40米，宽30米，用1：1000的比例尺画这块田的平面图，图上的面积是多少平方厘米．

A rectangular rice field is 40 meters long and 30 meters wide. Use a scale of 1:1000 to draw a plan of the field. What is the area on the map in square centimeters?

<gadget id="calculator">1 / 1_000</gadget>
<output>1/1_000 = around 0.001</output>
<gadget id="calculator">40 * (1/1_000) * 100 * 30 * (1/1_000) * 100</gadget>
<output>12</output>
<result>12</result>


某厂今年产量比去年增长25%，去年产量比今年少多少．

The output of a certain factory this year increased by 25% compared with last year, but last year's output was much less than this year's.

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">(1/4) / (5/4)</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


果园里有桃树300棵，是苹果的树的(3/4)，梨树是苹果树的(3/5)．梨树有多少棵？

There are 300 peach trees in the orchard, 3/4 of which are apple trees, and 3/5 of pear trees are apple trees. How many pear trees are there?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">300 / (3/4)</gadget>
<output>400</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">400 * (3/5)</gadget>
<output>240</output>
<result>240</result>


妈妈让小明帮助烧鱼，他洗鱼3分钟，切鱼2分钟，切姜片1分钟，洗锅2分钟，热锅2分钟，热油3分钟，煎烧7分钟，共用了20分钟，合理安排后，最短用多少分钟？

Mom asked Xiao Ming to help cook the fish. He washed the fish for 3 minutes, cut the fish for 2 minutes, cut the ginger slices for 1 minute, washed the pan for 2 minutes, heated the pan for 2 minutes, heated the oil for 3 minutes, and fried for 7 minutes. It took 20 minutes, which is reasonable. After the arrangement, how long is the shortest time?

<gadget id="calculator">2 + 1 + 5 + 7</gadget>
<output>15</output>
<result>15</result>


在1～100里最小的质数与最大的质数的和是多少．

What is the sum of the smallest prime number and the largest prime number from 1 to 100?

<gadget id="calculator">2 + 97</gadget>
<output>99</output>
<result>99</result>


15个23相加的和是多少．

<gadget id="calculator">23 * 15</gadget>
<output>345</output>
<result>345</result>


<gadget id="calculator">11 / 7</gadget>
<output>11/7 = around 1.571429</output>
<gadget id="calculator">14.5 - (11/7)</gadget>
<output>12.928571</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">(4/5) * (5/7)</gadget>
<output>4/7 = around 0.571429</output>
<gadget id="calculator">12.928571 + (4/7)</gadget>
<output>13.5</output>
<result>13.5</result>


小风有15本故事书，小明有7本故事书，小风给小明几本，两个人的故事书一样多？

Xiaofeng has 15 storybooks, and Xiaoming has 7 storybooks. How many storybooks does Xiaofeng give to Xiaoming, and the two have the same number of storybooks?

<gadget id="calculator">15 - 7</gadget>
<output>8</output>
<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<result>4</result>


一堆苹果80个，用10个盘装了50个，还剩多少苹果？正确列式是多少

There are 80 apples in a pile, 50 are packed in 10 trays, how many apples are left? What is the correct column

<gadget id="calculator">80 - 50</gadget>
<output>30</output>
<result>30</result>


一种彩电原价5000元，现在每台提价20%．现在这种彩电的价钱是多少元？

The original price of a color TV is 5,000 yuan, and now the price of each TV is increased by 20%. How much is the price of this color TV now?

<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">5_000 * (6/5)</gadget>
<output>6_000</output>
<result>6_000</result>


一个比例的两内项之积是最小的质数，一个外项是(2/11)，另一个外项是多少．

The product of two inner terms of a ratio is the smallest prime number, one outer term is (2/11), and what is the other outer term.

<gadget id="calculator">2 / 11</gadget>
<output>2/11 = around 0.181818</output>
<gadget id="calculator">2 / (2/11)</gadget>
<output>11</output>
<result>11</result>


2米花布，用去80%后还剩多少米

2 meters of floral cloth, how much rice is left after 80% is used

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">2 * (1/5)</gadget>
<output>2/5 = around 0.4</output>
<result>2/5 = around 0.4</result>


一件商品以8折比以6折出售贵20元，则这件商品原价多少？

If a product is 20 yuan more expensive at 20% off than at 40% off, what is the original price of this product?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(4/5) - (3/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">20 / (1/5)</gadget>
<output>100</output>
<result>100</result>


有一块面积是108平方米的玉米地，如果每平方米能种玉米15棵，这块地能种玉米多少棵？

There is a cornfield with an area of 108 square meters. If 15 corns can be planted per square meter, how many corns can be planted in this field?

<gadget id="calculator">15 * 108</gadget>
<output>1_620</output>
<result>1_620</result>


学校微机组的同学有32人，书法组的人数是微机组的(7/8)，美术组的人数是书法组的(3/4)．美术组有多少人？

There are 32 students in the microcomputer group of the school, the number of calligraphy group is microcomputer group (7/8), and the number of art group is calligraphy group (3/4). How many people are there in the art group?

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">32 * (7/8) * (3/4)</gadget>
<output>21</output>
<result>21</result>


一个西瓜平均分给6个小朋友，每个小朋友吃这个西瓜的((())/(()))．

A watermelon is distributed to 6 children on average, and each child eats the watermelon ((())/(())).

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


把一个数的小数点向右移动一位后，与原数相差27，原数是多少

After moving the decimal point of a number to the right, the difference from the original number is 27, what is the original number

<gadget id="calculator">10 - 1</gadget>
<output>9</output>
<gadget id="calculator">27 / 9</gadget>
<output>3</output>
<result>3</result>


把10克盐放进40克水中，盐的重量占盐水的多少

Put 10 grams of salt into 40 grams of water, what is the weight of the salt in the salt water

<gadget id="calculator">10 + 40</gadget>
<output>50</output>
<gadget id="calculator">10 / 50</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


如果4个鸡蛋与10个橘子可以互换，那么我用250个橘子能换多少个鸡蛋．

If 4 eggs and 10 oranges are interchangeable, how many eggs can I exchange with 250 oranges?

<gadget id="calculator">4 / 10</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(2/5) * 250</gadget>
<output>100</output>
<result>100</result>


甲、乙两地相距360千米，一辆汽车从甲地开往乙地，行了全程的(4/9)，这时距甲地多少千米？

The distance between A and B is 360 kilometers. A car drives from A to B for the whole journey (4/9). How many kilometers away is it at this time?

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">360 * (4/9)</gadget>
<output>160</output>
<result>160</result>


某工厂第一车间的人数比第二车间少(1/6)，因工作需要，从第二车间调5人到第一车间，这时第一车间比第二车间少3人，第二车间原来有多少人？

The number of people in the first workshop of a factory is less than that of the second workshop (1/6). Due to work needs, 5 people are transferred from the second workshop to the first workshop. At this time, the first workshop has 3 people less than the second workshop, and the second workshop How many people were there?

<gadget id="calculator">5 + 3 + 5</gadget>
<output>13</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/6) - 1</gadget>
<output>-5/6 = around -0.833333</output>
<gadget id="calculator">1 + (-5/6)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">13 / (1/6)</gadget>
<output>78</output>
<result>78</result>


各班向学校图书室借书，其中16个班每班借54本，7个班每班借50本．图书室一共借出了多少本书？

Each class borrows books from the school library, among which 16 classes borrow 54 books per class, and 7 classes borrow 50 books per class. How many books have been borrowed from the library?

<gadget id="calculator">54 * 16</gadget>
<output>864</output>
<gadget id="calculator">50 * 7</gadget>
<output>350</output>
<gadget id="calculator">864 + 350</gadget>
<output>1_214</output>
<result>1_214</result>


两个完全一样的梯形，上底和下底的比是4：5，用他们正好拼成一个正方形，已知正方形的周长是180cm，这个梯形的下底是多少？

Two identical trapezoids, the ratio of the upper base to the lower base is 4:5, they fit together to form a square, the perimeter of the square is known to be 180cm, what is the lower base of the trapezoid?

<gadget id="calculator">180 / 4</gadget>
<output>45</output>
<gadget id="calculator">4 + 5</gadget>
<output>9</output>
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>
<gadget id="calculator">45 * (5/9)</gadget>
<output>25</output>
<result>25</result>


一个平行四边形和一个三角形等底等高，已知平行四边形的面积是40平方分米，三角形的面积是多少平方分米．

A parallelogram and a triangle have the same base and height. It is known that the area of the parallelogram is 40 square decimeters. What is the area of the triangle?

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


银行一年定期储蓄的年利率是2.25%，妈妈取出两年到期的本金及利息，扣除了利息税54元，问妈妈存入的本金是多少元？

The annual interest rate of the bank's one-year fixed deposit is 2.25%. My mother withdraws the principal and interest due in two years, and deducts interest tax of 54 yuan. How much is the principal deposited by my mother?

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>
<gadget id="calculator">54 / (1/5) / 2 / 0.0225</gadget>
<output>6_000</output>
<result>6_000</result>


数A和数B的比是7：5，若A为21，那么B为多少．

The ratio of number A to number B is 7:5, if A is 21, then what is B.


小红把1000元钱存入银行，存整存整取3年，年利率是3.24%．到期时小红可得利息是多少元．

Xiaohong deposits 1,000 yuan in the bank for 3 years, and the annual interest rate is 3.24%. How much interest can Xiaohong get when it matures?

<gadget id="calculator">3.24 / 100</gadget>
<output>0.0324</output>
<gadget id="calculator">1_000 * 0.0324 * 3</gadget>
<output>97.2</output>
<result>97.2</result>


<gadget id="calculator">31 - 3</gadget>
<output>28</output>
<gadget id="calculator">28 / 4</gadget>
<output>7</output>
<gadget id="calculator">9 * 7</gadget>
<output>63</output>
<gadget id="calculator">63 - 8</gadget>
<output>55</output>
<result>55</result>


把一根绳子对折以后，再对折，这时每折长4米，这根绳子有多少米．

After folding a rope in half, fold it in half again. At this time, each fold is 4 meters long. How many meters is the rope?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">4 / (1/4)</gadget>
<output>16</output>
<result>16</result>


有两堆煤，第一堆(5/9)吨，比第二吨少(1/4)吨，两堆煤共有多少吨？

There are two piles of coal, the first pile is (5/9) tons less than the second ton (1/4) tons, how many tons are there in the two piles of coal?

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(5/9) + (1/4)</gadget>
<output>29/36 = around 0.805556</output>
<gadget id="calculator">(5/9) + (29/36)</gadget>
<output>49/36 = around 1.361111</output>
<result>49/36 = around 1.361111</result>


一个圆锥的底面周长是31.4厘米，高是9厘米．它的体积是多少？

A cone has a base circumference of 31.4 cm and a height of 9 cm. What is its volume?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">31.4 / 3.14 / 2</gadget>
<output>5</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">(1/3) * 3.14 * 25 * 9</gadget>
<output>235.5</output>
<result>235.5</result>


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

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

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


一项工程，甲队单独做需要20天，乙队单独做需要30天．乙队先做5天后，剩下的由甲乙两队合做．还要多少天才能完成这项工作？

For a project, it takes 20 days for team A to do it alone, and 30 days for team B to do it alone. Team B will do the work for 5 days first, and the rest will be done by the two teams. How many more days will it take to complete the job?

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


一个三位数，三个数字各不相同且都不为0，如果三个数字之和为10，这样的三位数有多少个．

A three-digit number, the three numbers are different and all are not 0, if the sum of the three numbers is 10, how many such three-digit numbers are there?

<gadget id="calculator">6 + 4 + 4 + 2 + 4 + 2 + 2</gadget>
<output>24</output>
<result>24</result>


学校图书室原有一些存书，借出总数的75%之后，又买来60本，这时图书馆里的书是原存书量的(1/3)．现在有存书多少本？

The school library originally had some books in stock. After lending out 75% of the total, another 60 books were bought. At this time, the books in the library were the original stock (1/3). How many books do you have now?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">75 / 100</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">(1/3) - (1/4)</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">60 / (1/12)</gadget>
<output>720</output>
<gadget id="calculator">720 * (1/3)</gadget>
<output>240</output>
<result>240</result>


(7/12)与它的倒数的积减去0.125所得的差，除以(3/8)，商是多少？

What is the quotient of the product of (7/12) and its reciprocal minus 0.125, divided by (3/8)?

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>
<gadget id="calculator">12 / 7</gadget>
<output>12/7 = around 1.714286</output>
<gadget id="calculator">(7/12) * (12/7)</gadget>
<output>1</output>
<gadget id="calculator">1 - 0.125</gadget>
<output>0.875</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">0.875 / (3/8)</gadget>
<output>2.333333</output>
<result>2.333333</result>