一个圆锥体，底面周长是12.56厘米，高2.4厘米，它的体积是多少立方厘米．

A cone has a base circumference of 12.56 cm and a height of 2.4 cm. What is its volume in cubic centimeters?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">(1/3) * 3.14 * 4 * 2.4</gadget>
<output>10.048</output>
<result>10.048</result>


一个不等于0的数除以7，余数最大是多少．

What is the maximum remainder when a number not equal to 0 is divided by 7?

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


三年期国库券的年利率为3.39%，张叔叔购买这种国库券2000元，到期时可对兑换现金多少元．

The annual interest rate of the three-year treasury bill is 3.39%. Uncle Zhang buys this treasury bill for 2,000 yuan. When it expires, it can be exchanged for cash.

<gadget id="calculator">3.39 / 100</gadget>
<output>0.0339</output>
<gadget id="calculator">2_000 * 0.0339 * 3</gadget>
<output>203.4</output>
<gadget id="calculator">2_000 + 203.4</gadget>
<output>2_203.4</output>
<result>2_203.4</result>


一个人步行每小时走5千米，骑自行车每1千米比步行少用8分钟，他骑自行车的速度是步行速度的多少倍？

If a person walks 5 kilometers per hour and rides a bicycle for 8 minutes less per 1 kilometer than walking, how many times does his bicycle travel faster than his walking speed?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">5 / (1/3)</gadget>
<output>15</output>
<gadget id="calculator">15 / 5</gadget>
<output>3</output>
<result>3</result>


甲车每小时行80千米，乙车每小时行70千米，两车同时从两地相对开出，行(2/3)小时相遇．两地相距多少千米？

Car A travels 80 kilometers per hour, and car B travels 70 kilometers per hour. The two cars leave opposite places at the same time and meet each other in (2/3) hours. How many kilometers are the distance between the two places?

<gadget id="calculator">80 + 70</gadget>
<output>150</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">150 * (2/3)</gadget>
<output>100</output>
<result>100</result>


三个连续奇数的和是45，其中最大的一个数是多少

The sum of three consecutive odd numbers is 45, what is the largest number among them?

<gadget id="calculator">45 / 3</gadget>
<output>15</output>
<gadget id="calculator">15 + 2</gadget>
<output>17</output>
<result>17</result>


150千克油菜籽可榨油63千克，照这样计算，要榨油2100千克，需要多少吨油菜籽．

150 kg of rapeseed can extract 63 kg of oil. According to this calculation, how many tons of rapeseed are needed to extract 2100 kg of oil.

<gadget id="calculator">150 / 63</gadget>
<output>50/21 = around 2.380952</output>
<gadget id="calculator">2_100 / 1_000</gadget>
<output>21/10 = around 2.1</output>
<gadget id="calculator">(50/21) * (21/10)</gadget>
<output>5</output>
<result>5</result>


<gadget id="calculator">9_001 - 1</gadget>
<output>9_000</output>
<gadget id="calculator">9_000 * 500</gadget>
<output>4_500_000</output>
<result>4_500_000</result>


光盘的银色部分是一个圆环，内圆半径是2cm，外圆半径是6cm．它的面积是多少cm**2．

The silver part of the disc is a ring, the radius of the inner circle is 2cm, and the radius of the outer circle is 6cm. What is its area in cm**2.

<gadget id="calculator">6 ** 2</gadget>
<output>36</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">36 - 4</gadget>
<output>32</output>
<gadget id="calculator">3.14 * 32</gadget>
<output>100.48</output>
<result>100.48</result>


实验小学为灾区捐款．二年级捐款306元，三年级的捐款是二年级的3倍，二、三年级一共捐款多少元？

The Experimental Primary School donated money to the disaster area. The second grade donated 306 yuan, and the third grade donated three times that of the second grade. How much is the total donation of the second and third grades?

<gadget id="calculator">306 * 3</gadget>
<output>918</output>
<gadget id="calculator">306 + 918</gadget>
<output>1_224</output>
<result>1_224</result>


一圆柱形水池，底面直径是4米，深6米，若在四周和底面抹一层水泥，抹水泥部分的面积是多少平方米．

A cylindrical pool has a bottom diameter of 4 meters and a depth of 6 meters. If a layer of cement is applied on the sides and the bottom, what is the area of the cemented part in square meters?

<gadget id="calculator">3.14 * 4 * 6</gadget>
<output>75.36</output>
<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>
<gadget id="calculator">75.36 + 12.56</gadget>
<output>87.92</output>
<result>87.92</result>


把一个圆柱的侧面展开，正好得到一个正方形，已知圆柱的底面半径是8厘米，它的高是多少厘米．

Expand the side of a cylinder to get a square. It is known that the radius of the base of the cylinder is 8 centimeters, and what is its height in centimeters.

<gadget id="calculator">3.14 * 8 * 2</gadget>
<output>50.24</output>
<result>50.24</result>


列式．不计算：一本书，第一天看了全书的25%，第二天看了全书的35%，第二天比第一天多看了10页，这本书共有多少页？

columns. Do not count: a book, read 25% of the whole book on the first day, read 35% of the whole book on the second day, and read 10 pages more on the second day than on the first day, how many pages does this book have?

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(7/20) - (1/4)</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">10 / (1/10)</gadget>
<output>100</output>
<result>100</result>


某同学按顺序写下1、2、3、4、…共写了732个数字，该同学写的最后一个数是多少？

A student wrote down 1, 2, 3, 4, ... in order and wrote 732 numbers in total. What is the last number written by the student?


某食品厂去年的总收入为1020万元，按照国家规定，需缴纳17%的增值税．该厂去年应缴纳多少万元增值税？

The total income of a food factory last year was 10.2 million yuan, according to the national regulations, it needs to pay 17% value-added tax. How much value-added tax should the factory pay last year?

<gadget id="calculator">17 / 100</gadget>
<output>17/100 = around 0.17</output>
<gadget id="calculator">1_020 * (17/100)</gadget>
<output>867/5 = around 173.4</output>
<result>867/5 = around 173.4</result>


一辆汽车的速度是71千米/时，从台城到广州它要行2小时．台城到广州的公路长多少千米？

The speed of a car is 71 km/h, and it takes 2 hours to travel from Taicheng to Guangzhou. How many kilometers is the road from Taicheng to Guangzhou?

<gadget id="calculator">71 * 2</gadget>
<output>142</output>
<result>142</result>


一支蜡烛(2/3)小时燃烧(3/10)分米，平均每小时燃烧多少分米？

A candle burns (3/10) decimeters in (2/3) hours, how many decimeters per hour on average?

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(3/10) / (2/3)</gadget>
<output>9/20 = around 0.45</output>
<result>9/20 = around 0.45</result>


小明三次数学测验的平均成绩是98，第一次是99分，第二次是95分，第三次是多少分

The average score of Xiao Ming's three math tests is 98, the first time is 99 points, the second time is 95 points, what is the third time

<gadget id="calculator">98 * 3</gadget>
<output>294</output>
<gadget id="calculator">294 - 99 - 95</gadget>
<output>100</output>
<result>100</result>


一个正方形花坛，四周是1米宽的水泥路面，其路面面积是100平方米，求正方形花坛的面积．

A square flower bed is surrounded by a cement pavement with a width of 1 meter. The area of the pavement is 100 square meters. Find the area of the square flower bed.

<gadget id="calculator">1 * 1 * 4</gadget>
<output>4</output>
<gadget id="calculator">100 - 4</gadget>
<output>96</output>
<gadget id="calculator">96 / 4 / 1</gadget>
<output>24</output>
<gadget id="calculator">24 * 24</gadget>
<output>576</output>
<result>576</result>


小亮前三次数学测试的平均成绩是90分，四次数学测验平均成绩是92分，第四次测验得了多少分．

Xiaoliang's average score in the first three math tests was 90 points, and the average score in the four math tests was 92 points. How many points did he get in the fourth test?

<gadget id="calculator">92 * 4</gadget>
<output>368</output>
<gadget id="calculator">90 * 3</gadget>
<output>270</output>
<gadget id="calculator">368 - 270</gadget>
<output>98</output>
<result>98</result>


一个长方体的三个侧面面积是3、6、8平方厘米，这个长方体的体积等于多少立方厘米．

If the area of the three sides of a cuboid is 3, 6, and 8 square centimeters, what is the volume of the cuboid in cubic centimeters?


在1到2013这2013个数中，共有多少个数与四位数5678相加时不发生进位．

Among the 2013 numbers from 1 to 2013, how many numbers do not carry when added to the four-digit number 5678?

<gadget id="calculator">2 * 2</gadget>
<output>4</output>
<gadget id="calculator">3 * 3 * 2</gadget>
<output>18</output>
<gadget id="calculator">4 * 3 * 2</gadget>
<output>24</output>
<gadget id="calculator">1 + 4 + 18 + 24 + 4</gadget>
<output>51</output>
<result>51</result>


某商店五月份的营业额是50000元，如果按营业额的4%缴纳营业税，五月份应纳税多少元．

The turnover of a store in May is 50,000 yuan. If the business tax is paid at 4% of the turnover, how much tax should be paid in May.

<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>
<gadget id="calculator">50_000 * (1/25)</gadget>
<output>2_000</output>
<result>2_000</result>


为美化环境，学校绿化小组今年植树36棵，比去年的(7/8)还多15棵，去年植树多少棵？

To beautify the environment, the school greening team planted 36 trees this year, 15 more than last year (7/8). How many trees were planted last year?

<gadget id="calculator">36 - 15</gadget>
<output>21</output>
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>
<gadget id="calculator">21 / (7/8)</gadget>
<output>24</output>
<result>24</result>


把一个高3分米的圆柱形钢材熔铸成与它底面积相等的圆锥，这个圆锥的高是多少分米．

A cylindrical steel material with a height of 3 decimeters is melted and cast into a cone with the same area as its base. What is the height of this cone in decimeters?


六一儿童节，学校大队部给全校师生拍了900张照片要装进相册中，相册每本10页，每页可以插6张照片．需要这样的相册几本？

On Children's Day, the school brigade took 900 photos for the teachers and students of the school and put them into a photo album. Each photo album has 10 pages, and each page can insert 6 photos. How many albums like this do you need?

<gadget id="calculator">10 * 6</gadget>
<output>60</output>
<gadget id="calculator">900 / 60</gadget>
<output>15</output>
<result>15</result>


有85千克苹果，占水果总数的(1/2)，共有水果多少千克？

There are 85 kilograms of apples, accounting for (1/2) of the total number of fruits. How many kilograms of fruits are there in total?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">85 / (1/2)</gadget>
<output>170</output>
<result>170</result>


王芳家养了9只公鸡，比养的母鸡少108只，母鸡数量是公鸡的几倍？

Wang Fang's family raised 9 roosters, 108 less than the number of hens. How many times the number of hens is that of roosters?

<gadget id="calculator">108 + 9</gadget>
<output>117</output>
<gadget id="calculator">117 / 9</gadget>
<output>13</output>
<result>13</result>


比36的15倍少18的数是几？

What is the number 18 less than 15 times 36?

<gadget id="calculator">36 * 15</gadget>
<output>540</output>
<gadget id="calculator">540 - 18</gadget>
<output>522</output>
<result>522</result>


两个数的积是3.7，如果一个因数扩大为原数的10倍，另一个因数扩大为原数的2倍，积是多少．

The product of two numbers is 3.7. If one factor is enlarged to 10 times the original number and the other factor is enlarged to 2 times the original number, what is the product?

<gadget id="calculator">10 * 2</gadget>
<output>20</output>
<gadget id="calculator">3.7 * 20</gadget>
<output>74</output>
<result>74</result>


于明看一本书，第一天看了全书的(1/6)，第二天看了全书的(1/3)，第三天看了12页，还剩20页没有看，这本书共有多少页？

Yu Ming read a book. He read (1/6) of the whole book on the first day, (1/3) of the whole book on the second day, 12 pages on the third day, and left 20 pages unread. How many pages does the book have?


两架飞机同时从两个城市相对飞行，2小时后相遇，一架飞机的速度是850千米/时，比另一架飞机快80千米/时．这两个城市之间的航线长多少千米？

Two planes are flying relative to each other from two cities at the same time, and they meet after 2 hours. The speed of one plane is 850 km/h, which is 80 km/h faster than the other plane. How many miles is the air route between these two cities?

<gadget id="calculator">850 - 80</gadget>
<output>770</output>
<gadget id="calculator">770 + 850</gadget>
<output>1_620</output>
<gadget id="calculator">1_620 * 2</gadget>
<output>3_240</output>
<result>3_240</result>


生产一批零件，6天生产336个，照这样计算，10天可以完成这批零件的生产任务，这批零件共有多少个？(用比例解)

To produce a batch of parts, 336 parts are produced in 6 days. According to this calculation, the production task of this batch of parts can be completed in 10 days. How many parts are there in this batch? (Solve with ratio)

<gadget id="calculator">336 / 6</gadget>
<output>56</output>
<gadget id="calculator">56 * 10</gadget>
<output>560</output>
<result>560</result>


某工厂生产一种零件，计算每天生产60个，可以在计划时间内完成，实际每天生产100个，结果提前6天完成，这批零件共有多少个？

A factory produces a kind of parts. It is calculated that the production of 60 parts per day can be completed within the planned time. The actual production of 100 parts per day is completed 6 days ahead of schedule. How many parts are there in this batch?

<gadget id="calculator">100 * 6</gadget>
<output>600</output>
<gadget id="calculator">100 - 60</gadget>
<output>40</output>
<gadget id="calculator">600 / 40</gadget>
<output>15</output>
<gadget id="calculator">60 * 15</gadget>
<output>900</output>
<result>900</result>


已知一个八位数被a除得的商为一个七位数，余数为3，并且商的十位数字与个位数字都是4，那么原八位的十位数字是多少．

It is known that the quotient of an eight-digit number divided by a is a seven-digit number with a remainder of 3, and both the tens and ones digits of the quotient are 4, so what is the tens digit of the original eight digits.


北京到南京的实际距离大约是900千米，在比例尺是1：45000000的地图上，两地间的距离是多少厘米．

The actual distance between Beijing and Nanjing is about 900 kilometers. On a map with a scale of 1:45 million, what is the distance in centimeters between the two places?

<gadget id="calculator">1 / 45_000_000</gadget>
<output>1/45_000_000 = around 0</output>
<gadget id="calculator">900 * 100_000 * (1/45_000_000)</gadget>
<output>2</output>
<result>2</result>


小林从甲地到乙地，先乘汽车2小时，每小时行驶75千米，后乘火车3个小时后到达．已知甲、乙两地相距480千米，火车平均每小时行多少千米？

Xiaolin travels from A to B, first by car for 2 hours, driving 75 kilometers per hour, and then by train for 3 hours. It is known that the distance between A and B is 480 kilometers, how many kilometers does the train travel on average per hour?

<gadget id="calculator">75 * 2</gadget>
<output>150</output>
<gadget id="calculator">480 - 150</gadget>
<output>330</output>
<gadget id="calculator">330 / 3</gadget>
<output>110</output>
<result>110</result>


将252块巧克力，294盒饼干，336袋牛奶分成相同的份数，并且都没有余数，那么最多可以分成多少份．

Divide 252 pieces of chocolate, 294 boxes of biscuits, and 336 bags of milk into equal portions, and there is no remainder, so how many portions can be divided at most?

<gadget id="calculator">2 * 3 * 7</gadget>
<output>42</output>
<result>42</result>


过山车每次可以坐16人，如果运行一次需要3分钟，那么1.5小时可以坐多少人

The roller coaster can take 16 people at a time, if it takes 3 minutes to run once, how many people can sit in 1.5 hours

<gadget id="calculator">90 / 3</gadget>
<output>30</output>
<gadget id="calculator">16 * 30</gadget>
<output>480</output>
<result>480</result>


做一个无盖的正方体玻璃鱼缸，棱长4分米，制作这个鱼缸至少需要用多少平方分米的玻璃？

To make a cube glass fish tank without a cover, the side length is 4 decimeters, how many square decimeters of glass should be used to make this fish tank?

<gadget id="calculator">4 * 4 * 5</gadget>
<output>80</output>
<result>80</result>


一个三角形的面积是5.4dm**2，高是3dm，底是多少dm．

The area of a triangle is 5.4dm**2, the height is 3dm, and the base is dm.

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">5.4 * (2/3)</gadget>
<output>3.6</output>
<result>3.6</result>


一个数的小数点向右移动一位后比原数大25.2，原数是多少．

If the decimal point of a number is moved one place to the right, it will be 25.2 larger than the original number. What is the original number?

<gadget id="calculator">10 - 1</gadget>
<output>9</output>
<gadget id="calculator">25.2 / 9</gadget>
<output>2.8</output>
<result>2.8</result>


<gadget id="calculator">23 * 3</gadget>
<output>69</output>
<result>69</result>


What is the difference between 80*☆+5 and 80*(☆+5)

<gadget id="calculator">80 * 5</gadget>
<output>400</output>
<gadget id="calculator">400 - 5</gadget>
<output>395</output>
<result>395</result>


王老师把3000元存入银行，整存整取2年，年利率是2.52%，到期时，王老师的本金和利息一共有多少元？

Mr. Wang deposits 3,000 yuan in the bank, and deposits and withdraws in lump sum for 2 years, with an annual interest rate of 2.52%. When it matures, how much is Mr. Wang’s principal and interest?

<gadget id="calculator">2.52 / 100</gadget>
<output>0.0252</output>
<gadget id="calculator">3_000 * 0.0252 * 2</gadget>
<output>151.2</output>
<gadget id="calculator">151.2 + 3_000</gadget>
<output>3_151.2</output>
<result>3_151.2</result>


淘气2001年2月1日把2000元压岁钱存入银行，整存整取年利率2.25%，2002年2月1日共可以取出多少元．

Naughty deposited 2,000 yuan of New Year's money into the bank on February 1, 2001, and the annual interest rate of lump sum withdrawal was 2.25%. How much yuan can be withdrawn on February 1, 2002?

<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>
<gadget id="calculator">2_000 * 0.0225 * 1</gadget>
<output>45</output>
<gadget id="calculator">2_000 + 45</gadget>
<output>2_045</output>
<result>2_045</result>


有若干人到电影公司面试，每人有两次面试机会．第一次面试未通过人数是通过人数的3倍多4人，第二次面试未通过人数增加5人，通过人数是未通过人数的(1/6)．那么，共有多少人参加面试？

A number of people come to the film company for interviews, and each person has two chances for interviews. The number of people who failed the first interview was 4 times more than the number of people who passed the interview, the number of people who failed the second interview increased by 5, and the number of people who passed the interview was 1/6 of the number of people who failed. So, how many people participated in the interview?

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">4 * (1/6)</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">5 * (1/6)</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">5 + (2/3) + (5/6)</gadget>
<output>13/2 = around 6.5</output>
<gadget id="calculator">3 * (1/6)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(13/2) / (1/2)</gadget>
<output>13</output>
<gadget id="calculator">3 * 13</gadget>
<output>39</output>
<gadget id="calculator">13 + 39 + 4</gadget>
<output>56</output>
<result>56</result>


甲从A地到B地，要行6小时，乙从B地到A地，要行4小时．现在甲从A地先出发，2小时后乙才从B地出发，在距离AB两地的中点46.5千米处相遇，求AB两地的距离是多少千米？

A travels from A to B in 6 hours, and B travels from B to A in 4 hours. Now A starts from A first, and B starts from B 2 hours later, and meets at the midpoint of 46.5 kilometers from AB. How many kilometers is the distance between AB and AB?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/6) * 2</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(1/4) + (1/6)</gadget>
<output>5/12 = around 0.416667</output>
<gadget id="calculator">(2/3) / (5/12)</gadget>
<output>8/5 = around 1.6</output>
<gadget id="calculator">(1/4) * (8/5)</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(1/2) - (2/5)</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">46.5 / (1/10)</gadget>
<output>465</output>
<result>465</result>


工人师傅加工某种零件，原来平均每小时能加工35个．技术革新后，现在加工这种零件，工效比原来的3倍少10个．现在平均每小时加工零件多少个？

The master worker can process a certain part, and he can process 35 parts per hour on average. After technological innovation, the work efficiency of processing this kind of parts is 10 times less than that of the original one. How many parts are processed per hour on average now?

<gadget id="calculator">35 * 3</gadget>
<output>105</output>
<gadget id="calculator">105 - 10</gadget>
<output>95</output>
<result>95</result>


超市运来500千克香蕉，上午卖出149千克，下午卖出185千克．还剩下多少千克香蕉？

The supermarket shipped 500 kg of bananas, sold 149 kg in the morning and 185 kg in the afternoon. How many kilograms of bananas are left?

<gadget id="calculator">500 - 149 - 185</gadget>
<output>166</output>
<result>166</result>


学校乒乓球队有6名男选手、5名女选手，现在要选出1名男选手和1名女选手租车男女混合双打选手．请问：一共有多少种不同的组法？

The school table tennis team has 6 male players and 5 female players. Now it is necessary to select 1 male player and 1 female player for mixed doubles. Question: How many different combinations are there?

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


学校原来的操场长80米，宽65米，扩建校园时，操场的长增加30米，宽增加25米．学校的操场面积增加了多少平方米？

The original playground of the school was 80 meters long and 65 meters wide. When the campus was expanded, the length of the playground was increased by 30 meters and the width by 25 meters. How many square meters has the playground area of the school increased?

<gadget id="calculator">80 + 30</gadget>
<output>110</output>
<gadget id="calculator">65 + 25</gadget>
<output>90</output>
<gadget id="calculator">110 * 90</gadget>
<output>9_900</output>
<gadget id="calculator">80 * 65</gadget>
<output>5_200</output>
<gadget id="calculator">9_900 - 5_200</gadget>
<output>4_700</output>
<result>4_700</result>


某旅游社国庆期间推出两条精品旅游线路：线路1-四川九寨沟四日游，价格980元/人；线路2-云南丽江四日游，价格1260元/人．小明一家3人准备去旅游，请你帮他家算算去丽江比去九寨沟要多花多少元？

A travel agency launched two boutique travel routes during the National Day: Route 1-Sichuan Jiuzhaigou four-day tour, price 980 yuan/person; Route 2-Yunnan Lijiang four-day tour, price 1260 yuan/person. The three members of Xiaoming's family are going on a trip. Please help him figure out how much more it will cost to go to Lijiang than to go to Jiuzhaigou?

<gadget id="calculator">1_260 - 980</gadget>
<output>280</output>
<gadget id="calculator">280 * 3</gadget>
<output>840</output>
<result>840</result>


It is known that A=3*5*5. B=2*3*5． What is the greatest common divisor of A and B?

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


化肥厂生产一批化肥，如果每天生产化肥24吨，15天可以完成．现在要提前5天完成，每天应生产化肥多少吨．

The chemical fertilizer factory produces a batch of chemical fertilizers. If 24 tons of chemical fertilizers are produced every day, it can be completed in 15 days. Now it has to be completed 5 days ahead of schedule, how many tons of fertilizer should be produced every day.

<gadget id="calculator">15 - 5</gadget>
<output>10</output>
<gadget id="calculator">15 / 10</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">24 * (3/2)</gadget>
<output>36</output>
<result>36</result>


一个圆柱形水桶，从里面量高是3分米，底面半径是1.5分米，它可装水多少千克？(1升水重1千克)

cylindrical bucket, the height measured from the inside is 3 decimeters, the radius of the bottom is 1.5 decimeters, how many kilograms of water can it hold? (1 liter of water weighs 1 kg)

<gadget id="calculator">1.5 ** 2</gadget>
<output>2.25</output>
<gadget id="calculator">3.14 * 2.25 * 3 * 1</gadget>
<output>21.195</output>
<result>21.195</result>


用300千克小麦，可磨出255千克面粉，如果要磨出34吨面粉，需要多少吨小麦．

300 kg of wheat can be used to grind 255 kg of flour. If 34 tons of flour are to be ground, how many tons of wheat are needed?

<gadget id="calculator">255 / 300</gadget>
<output>17/20 = around 0.85</output>
<gadget id="calculator">34 / (17/20)</gadget>
<output>40</output>
<result>40</result>


一个西瓜平均分成5块，玲玲吃了3块，强强吃了2块，两人一共吃了西瓜的几分之几？

A watermelon is divided into 5 pieces on average, Lingling ate 3 pieces, Qiangqiang ate 2 pieces, how much of the watermelon did they eat together?

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


长方形的周长是24厘米，长与宽的比是2：1，长方形的面积是多少．

If the perimeter of a rectangle is 24 cm and the ratio of length to width is 2:1, what is the area of the rectangle?

<gadget id="calculator">24 / 2</gadget>
<output>12</output>
<gadget id="calculator">2 + 1</gadget>
<output>3</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">12 * (2/3)</gadget>
<output>8</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">12 * (1/3)</gadget>
<output>4</output>
<gadget id="calculator">8 * 4</gadget>
<output>32</output>
<result>32</result>


马每小时能跑40千米，甲地到乙地为120千米，一匹马从甲地跑到乙地需要多少小时？

A horse can run 40 kilometers per hour, and the distance from point A to point B is 120 kilometers. How many hours does it take for a horse to run from point A to point B?


4除2.1的商再加上3.6与2.5的积，和是多少？

What is the sum of the quotient of 4 divided by 2.1 plus the product of 3.6 and 2.5?

<gadget id="calculator">2.1 / 4</gadget>
<output>0.525</output>
<gadget id="calculator">3.6 * 2.5</gadget>
<output>9</output>
<gadget id="calculator">0.525 + 9</gadget>
<output>9.525</output>
<result>9.525</result>


一间会议室，用边长20分米5厘米的方砖铺地，需300块，这间会议室的面积是多少平方米？

A conference room needs 300 yuan to pave the floor with square bricks with a side length of 20 decimeters and 5 centimeters. What is the area of this conference room in square meters?

<gadget id="calculator">2.05 * 2.05 * 300</gadget>
<output>1_260.75</output>
<result>1_260.75</result>


王明和同学到郊外烧烤时拍了许多照片，王明整理出34张，军军整理出46张，他们相约一起到冲印店冲印照片．已知每张照片的冲印费是6角，那么冲印费一共是多少元？

Wang Ming and his classmates took a lot of photos when they went to the suburbs to have a barbecue. Wang Ming sorted out 34 pictures, and Jun Jun sorted out 46 pictures. It is known that the printing fee for each photo is 6 cents, so how much is the total printing fee?

<gadget id="calculator">34 + 46</gadget>
<output>80</output>
<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">80 * (3/5)</gadget>
<output>48</output>
<result>48</result>


□8*26的积是一个四位数，那么□内最小可以填多少

□The product of 8*26 is a four-digit number, so what is the smallest amount that can be filled in □


把一个小数的小数点向右移动一位，就比原来多了25.2，原来这个小数是多少．

If the decimal point of a decimal is moved one bit to the right, it is 25.2 more than the original. What is the original decimal?

<gadget id="calculator">10 - 1</gadget>
<output>9</output>
<gadget id="calculator">25.2 / 9</gadget>
<output>2.8</output>
<result>2.8</result>


强强在计算400/□*2时先算了乘法，结果得50．那么这道题的正确结果应该是多少．

When Qiangqiang calculated 400/□*2, he did the multiplication first, and the result was 50. So what is the correct answer for this question?

<gadget id="calculator">400 / 50 / 2</gadget>
<output>4</output>
<gadget id="calculator">400 / 4</gadget>
<output>100</output>
<gadget id="calculator">100 * 2</gadget>
<output>200</output>
<result>200</result>


李叔叔要到186千米远的地方送货．他开车2.4小时后离目的地还有54千米，李叔叔开车的平均速度是多少千米？

Uncle Li wants to deliver the goods to a place 186 kilometers away. After driving for 2.4 hours, he is still 54 kilometers away from the destination. What is the average speed of Uncle Li in kilometers?

<gadget id="calculator">186 - 54</gadget>
<output>132</output>
<gadget id="calculator">132 / 2.4</gadget>
<output>55</output>
<result>55</result>


文化宫举办画展，展出许多幅画．其中有26幅画不是六年级的，有25幅不是五年级的，现在知道五、六年级共有37幅画，其他年级共有多少幅画？

The Cultural Palace held an art exhibition, displaying many paintings. Among them, 26 paintings are not from the sixth grade, and 25 are not from the fifth grade. Now we know that there are 37 paintings in the fifth and sixth grades. How many paintings are there in other grades?

<gadget id="calculator">26 + 25 + 37</gadget>
<output>88</output>
<gadget id="calculator">88 / 2</gadget>
<output>44</output>
<gadget id="calculator">44 - 37</gadget>
<output>7</output>
<result>7</result>


一项工程由甲队单独做可以比规定时间提前4天完成，由乙队单独做则要超过规定时间5天才能完成，现甲、乙两队合做4天后再由乙队独做，正好在规定时间完成．那么规定时间是多少天．

A project can be completed 4 days ahead of the specified time by Team A alone, but it can be completed by 5 days beyond the specified time if Team B alone does it. Now that Team A and Team B are working together 4 days later, Team B will do it alone. Completed within the specified time. So how many days is the specified time.

<gadget id="calculator">4 * 5</gadget>
<output>20</output>
<gadget id="calculator">5 * 4</gadget>
<output>20</output>
<gadget id="calculator">20 + 20</gadget>
<output>40</output>
<gadget id="calculator">5 - 4</gadget>
<output>1</output>
<gadget id="calculator">40 / 1</gadget>
<output>40</output>
<result>40</result>


东东的妈妈带100元钱去买菜，买肉用去35元，买菜用9.5元．还剩多少元钱？

Dongdong's mother brought 100 yuan to buy vegetables, 35 yuan to buy meat, and 9.5 yuan to buy vegetables. How much money do you have left?

<gadget id="calculator">100 - 35 - 9.5</gadget>
<output>55.5</output>
<result>55.5</result>


<gadget id="calculator">44.4 * 33.3</gadget>
<output>1_478.52</output>
<gadget id="calculator">8.88 / 1_478.52</gadget>
<output>0.006006</output>
<gadget id="calculator">6.66 * 0.006006</gadget>
<output>0.04</output>
<result>0.04</result>


一个四位的自然数，被3除余1，被5除余2，被7除余3，这样的自然数中最小一个是多少？

four-digit natural number has a remainder of 1 when divided by 3, a remainder of 2 when divided by 5, and a remainder of 3 when divided by 7. What is the smallest such natural number?

<gadget id="calculator">3 * 5 * 7</gadget>
<output>105</output>
<gadget id="calculator">105 - 1</gadget>
<output>104</output>
<gadget id="calculator">104 / 2</gadget>
<output>52</output>
<gadget id="calculator">105 * 10</gadget>
<output>1_050</output>
<gadget id="calculator">52 + 1_050</gadget>
<output>1_102</output>
<result>1_102</result>


<gadget id="calculator">3 + 300</gadget>
<output>303</output>
<gadget id="calculator">300 - 3</gadget>
<output>297</output>
<gadget id="calculator">297 / 3</gadget>
<output>99</output>
<gadget id="calculator">99 + 1</gadget>
<output>100</output>
<gadget id="calculator">100 / 2</gadget>
<output>50</output>
<gadget id="calculator">303 * 50</gadget>
<output>15_150</output>
<result>15_150</result>


将0，1，2，3，4，5，6，7，8，9这十个数字中，选出六个填在下面方框中，使算式成立，一个方框填一个数字，各个方框数字不相同．□+□□=□□□则算式中的三位数最大是多少．

Choose six of the ten numbers 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 and fill them in the boxes below to make the formula true. Fill in one number in each box, and fill in each box Box numbers are different. □+□□=□□□ What is the largest three-digit number in the formula?

<gadget id="calculator">97 + 8</gadget>
<output>105</output>
<result>105</result>


用两根同样长的铁丝分别围成一个长方形和正方形的框架，框架所围成的面积分别是24平方厘米和25平方厘米，求这根铁丝的长．

Use two iron wires of the same length to form a rectangular frame and a square frame respectively. The areas enclosed by the frame are 24 square centimeters and 25 square centimeters respectively. Find the length of this iron wire.

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


小丽原有13.4元，妈妈又给她12.2元，小丽用这些钱买了几本笔记本，每本笔记本3.2元，小丽共买了几本笔记本？

Xiaoli originally had 13.4 yuan, but her mother gave her another 12.2 yuan. Xiaoli bought several notebooks with the money, each notebook was 3.2 yuan. How many notebooks did Xiaoli buy in total?

<gadget id="calculator">13.4 + 12.2</gadget>
<output>25.6</output>
<gadget id="calculator">25.6 / 3.2</gadget>
<output>8</output>
<result>8</result>


一包大豆重100千克，多少包包大豆1吨．

A bag of soybeans weighs 100 kilograms, how many bags of soybeans is 1 ton.

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


有一个旅游团去划船，导游算了一下，如果增加一条船，正好每船坐6人，如果减少一条船，正好每条船坐9人，这个旅游团共有多少人．

There is a tourist group going boating, the tour guide calculates, if one more boat is added, each boat can take exactly 6 people, if one boat is reduced, each boat can take exactly 9 people, how many people are there in this tour group?

<gadget id="calculator">9 + 6</gadget>
<output>15</output>
<gadget id="calculator">9 - 6</gadget>
<output>3</output>
<gadget id="calculator">15 / 3</gadget>
<output>5</output>
<gadget id="calculator">5 + 1</gadget>
<output>6</output>
<gadget id="calculator">6 * 6</gadget>
<output>36</output>
<result>36</result>


一个长方体的长、宽、高是三个两两互质的自然数，已知这个长方体的体积是425，那么它的表面积是多少．

The length, width and height of a cuboid are three natural numbers that are relatively prime in pairs. It is known that the volume of this cuboid is 425, so what is its surface area?

<gadget id="calculator">25 * 17</gadget>
<output>425</output>
<gadget id="calculator">25 * 1</gadget>
<output>25</output>
<gadget id="calculator">17 * 1</gadget>
<output>17</output>
<gadget id="calculator">425 + 25 + 17</gadget>
<output>467</output>
<gadget id="calculator">467 * 2</gadget>
<output>934</output>
<result>934</result>


有一池水，最多能装30升水，用进水管注水6分钟可以注满，用放水管放水，24分钟可以放完，现水池空着，两管同时开放多少分钟可以吧水池注满．

There is a pool of water, which can hold up to 30 liters of water. It can be filled in 6 minutes with the water inlet pipe, and can be drained in 24 minutes with the drain pipe.

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


从甲地到乙地，一列火车要行2小时，一辆汽车要行5小时，汽车速度是火车速度的多少

From A to B, a train takes 2 hours, and a car takes 5 hours. What is the speed of the car at the speed of the train?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(1/5) / (1/2)</gadget>
<output>2/5 = around 0.4</output>
<result>2/5 = around 0.4</result>


一块长方形草地，长120米，宽90米，现在在它的四周种树，要求四个角和各边中点都要求种树，且相邻两棵树之间的距离都相等，请问：最少要种多少棵树？

A rectangular lawn is 120 meters long and 90 meters wide. Trees are planted around it. It is required to plant trees at the four corners and the midpoints of each side, and the distance between two adjacent trees is equal. May I ask: at least How many trees will be planted?

<gadget id="calculator">120 + 90</gadget>
<output>210</output>
<gadget id="calculator">210 * 2</gadget>
<output>420</output>
<gadget id="calculator">420 / 15</gadget>
<output>28</output>
<result>28</result>


一个圆柱体切削成一个最大的圆锥后，体积减少了18立方分米．圆柱体原来的体积是多少立方分米．

After cutting a cylinder into the largest cone, the volume is reduced by 18 cubic decimeters. What is the original volume of the cylinder in cubic decimeters?

<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">18 / (2/3)</gadget>
<output>27</output>
<result>27</result>


把一根长9分米的长方体木料，平均锯成三个小长方体，表面积增加了2.4平方分米，这根木料的体积是多少立方分米．

A 9 decimeter long cuboid wood is sawed into three small cuboids on average, and the surface area increases by 2.4 square decimeters. What is the volume of this wood in cubic decimeters?

<gadget id="calculator">2.4 / 4</gadget>
<output>0.6</output>
<gadget id="calculator">0.6 * 9</gadget>
<output>5.4</output>
<result>5.4</result>


一个水缸装满水，上午用去(1/5)，下午用去29升，这时缸内的水比半缸水多1升，这缸水共有多少升？

A water tank is filled with water, (1/5) is used in the morning, and 29 liters are used in the afternoon. At this time, the water in the tank is 1 liter more than the water in the half tank. How many liters of water are there in this tank?

<gadget id="calculator">29 + 1</gadget>
<output>30</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/2) - (1/5)</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">30 / (3/10)</gadget>
<output>100</output>
<result>100</result>


甲、乙两人同时从学校去电影院，甲骑自行车每分钟走150米，乙步行每分走80米，9分钟后，甲、乙两人相距多少米？

A and B go to the cinema from school at the same time. A rides a bicycle and walks 150 meters per minute, and B walks 80 meters per minute. After 9 minutes, how many meters are there between A and B?

<gadget id="calculator">150 - 80</gadget>
<output>70</output>
<gadget id="calculator">70 * 9</gadget>
<output>630</output>
<result>630</result>


一条隧道长360米，有一列火车以每秒25米的速度经过这条隧道，从车头进隧道到车尾离开隧道共用20秒．这列火车长多少米？

A tunnel is 360 meters long. A train passes through the tunnel at a speed of 25 meters per second. It takes 20 seconds from the front of the train entering the tunnel to the end of the train leaving the tunnel. How long is this train?

<gadget id="calculator">25 * 20</gadget>
<output>500</output>
<gadget id="calculator">500 - 360</gadget>
<output>140</output>
<result>140</result>


小丁丁带68元去商店买了2.5千克的苹果，已知苹果每千克10.2元，还剩下多少元？

Xiao Dingding took 68 yuan to the store and bought 2.5 kilograms of apples. It is known that the apples are 10.2 yuan per kilogram. How much money is left?

<gadget id="calculator">10.2 * 2.5</gadget>
<output>25.5</output>
<gadget id="calculator">68 - 25.5</gadget>
<output>42.5</output>
<result>42.5</result>


一间长方体仓库长8米，宽6米，高4米，仓库装有一扇门，门宽1米，高2米．现在要给仓库内部四面都贴上瓷砖，贴瓷砖部分的面积是多少？

A cuboid warehouse is 8 meters long, 6 meters wide, and 4 meters high. The warehouse is equipped with a door with a width of 1 meter and a height of 2 meters. Now it is necessary to paste tiles on all four sides of the interior of the warehouse. What is the area of the tiled part?

<gadget id="calculator">24 - 2</gadget>
<output>22</output>
<gadget id="calculator">32 + 22</gadget>
<output>54</output>
<result>54</result>


小明做一道除法算式时，把除数6看作了9，算出的商是0.4，正确的商应是多少．

When Xiao Ming did a division formula, he regarded the divisor 6 as 9, and the calculated quotient was 0.4. What should be the correct quotient?

<gadget id="calculator">0.4 * 9</gadget>
<output>3.6</output>
<gadget id="calculator">3.6 / 6</gadget>
<output>0.6</output>
<result>0.6</result>


食堂原来有一些大米，本周又买来18袋，吃掉了22袋后还剩3袋．食堂原来有大米多少袋？

There was some rice in the cafeteria, but I bought 18 more bags this week. After eating 22 bags, there are still 3 bags left. How many bags of rice did the cafeteria have?

<gadget id="calculator">3 - 18</gadget>
<output>-15</output>
<gadget id="calculator">22 + (-15)</gadget>
<output>7</output>
<result>7</result>


一个长方体水缸长6dm，宽4dm，高5dm．里面水深4.5dm，把一个底面半径2dm，高4.5dm的圆锥形铁块放入水中，缸里的水会溢出多少升？

A cuboid tank is 6dm long, 4dm wide, and 5dm high. The water depth inside is 4.5dm. If a conical iron block with a bottom radius of 2dm and a height of 4.5dm is put into the water, how many liters of water will overflow in the tank?

<gadget id="calculator">6 * 4 * 4.5</gadget>
<output>108</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">(1/3) * 3.14 * 4 * 4.5</gadget>
<output>18.84</output>
<gadget id="calculator">6 * 4 * 5</gadget>
<output>120</output>
<gadget id="calculator">18.84 - 120</gadget>
<output>-101.16</output>
<gadget id="calculator">108 + (-101.16)</gadget>
<output>6.84</output>
<result>6.84</result>


每箱啤酒24罐，30箱一共有多少罐．

There are 24 cans in each case of beer, how many cans are there in 30 cases?

<gadget id="calculator">24 * 30</gadget>
<output>720</output>
<result>720</result>


用20分米和50分米的木条围成一个等腰三角形，所得等腰三角形的周长是多少？

If an isosceles triangle is formed by 20 decimeters and 50 decimeters of wood, what is the perimeter of the obtained isosceles triangle?

<gadget id="calculator">50 + 50 + 20</gadget>
<output>120</output>
<result>120</result>


一个面积是416平方厘米的长方形，宽是13厘米，如果要把它的面积增加到576平方厘米，长不变，宽要增加多少厘米？

A rectangle with an area of 416 square centimeters and a width of 13 centimeters, if its area is to be increased to 576 square centimeters and its length remains the same, how many centimeters must its width be increased?

<gadget id="calculator">416 / 13</gadget>
<output>32</output>
<gadget id="calculator">576 / 32</gadget>
<output>18</output>
<gadget id="calculator">18 - 13</gadget>
<output>5</output>
<result>5</result>


用边长3分米的方砖给一间教室铺地，要300块，如果改用边长5分米米的方砖来铺，需要多少块？

It costs 300 yuan to pave a classroom with square bricks with a side length of 3 decimeters. If you use square bricks with a side length of 5 decimeters instead, how many pieces do you need?

<gadget id="calculator">5 * 5</gadget>
<output>25</output>
<gadget id="calculator">300 / 25</gadget>
<output>12</output>
<gadget id="calculator">3 * 3 * 12</gadget>
<output>108</output>
<result>108</result>


一辆卡车从甲地经过乙地到丙地，共行了10小时．已知卡车从甲地到乙地行了7小时，甲乙两地的路程比乙丙之间路程多150千米，求卡车的速度．

truck travels from A to B to C for 10 hours. It is known that the truck travels from A to B for 7 hours. The distance between A and B is 150 kilometers longer than the distance between B and C. Find the speed of the truck.

<gadget id="calculator">150 / 4</gadget>
<output>75/2 = around 37.5</output>
<result>75/2 = around 37.5</result>


有甲乙两块草地，甲地面积是乙地的4倍，一群牛先一起在甲地吃了半天，后来它们分开，一半的牛在甲地吃，另一半在乙地吃，又吃了半天，乙地的草吃完了．那么甲地剩下的草可以让这群牛再吃几天？

There are two grasslands, A and B. The area of A is four times that of B. A group of cows ate together in A for a long time, and then they separated. Half of the cattle ate in A, and the other half ate in B, and ate for a long time. , The grass in B is finished. So how many days can the cows eat the remaining grass in Land A?

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


小强有80张邮票，比小芳的邮票的(2/3)还多10张，小芳有多少张邮票？

Xiaoqiang has 80 stamps, which is 10 more than Xiaofang's (2/3). How many stamps does Xiaofang have?

<gadget id="calculator">80 - 10</gadget>
<output>70</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">70 / (2/3)</gadget>
<output>105</output>
<result>105</result>


空桶里装5碗水或者6杯水便可装满，现将2碗水和2杯水倒入空桶，水面上升到空桶高度的多少．

An empty bucket can be filled with 5 bowls of water or 6 cups of water. Now pour 2 bowls of water and 2 cups of water into the empty bucket, and the water level will rise to the height of the empty bucket.

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/5) * 2</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/6) * 2</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(2/5) + (1/3)</gadget>
<output>11/15 = around 0.733333</output>
<result>11/15 = around 0.733333</result>


学校里有一张课桌，桌面是一个长85厘米，宽是34厘米的长方形，小华有一根彩带正好沿着这张桌面围了一周，你知道这根彩带长多少厘米吗？(请列式计算说明)

There is a desk in the school. The desktop is a rectangle with a length of 85 cm and a width of 34 cm. Xiaohua has a colored ribbon that runs around the desktop. Do you know how long this ribbon is in centimeters? (Please list calculation instructions)

<gadget id="calculator">85 + 34</gadget>
<output>119</output>
<gadget id="calculator">119 * 2</gadget>
<output>238</output>
<result>238</result>


据统计蓝鲸3小时能游108米，海豚5小时能游245米，蓝鲸每小时比海豚少游多少米？

According to statistics, blue whales can swim 108 meters in 3 hours, and dolphins can swim 245 meters in 5 hours. How much less can blue whales swim per hour than dolphins?

<gadget id="calculator">245 / 5</gadget>
<output>49</output>
<gadget id="calculator">108 / 3</gadget>
<output>36</output>
<gadget id="calculator">49 - 36</gadget>
<output>13</output>
<result>13</result>


△/34=18…□，要使余数最大，被除数应该等于多少．

△/34=18…□, to maximize the remainder, what should the dividend be equal to.

<gadget id="calculator">34 * 18</gadget>
<output>612</output>
<gadget id="calculator">612 + 33</gadget>
<output>645</output>
<result>645</result>


12、15和18的最小公倍数是多少．

What is the least common multiple of 12, 15 and 18?

<gadget id="calculator">2 * 2 * 3 * 3 * 5</gadget>
<output>180</output>
<result>180</result>


一个长方体容器，底面长3分米，宽2分米，放入一个土豆后水面升高了0.1分米，这个土豆的体积是多少？

A cuboid container, the bottom surface is 3 decimeters long and 2 decimeters wide, and the water level rises by 0.1 decimeters after a potato is put in. What is the volume of this potato?

<gadget id="calculator">3 * 2 * 0.1</gadget>
<output>0.6</output>
<result>0.6</result>


将一个能被5整除的三位数的首、末数字交换后，还是三位数，它的5倍也是三位数，它的后两位数字的和是60的约数，求满足条件的最大的三位数．

After exchanging the first and last numbers of a three-digit number divisible by 5, it is still a three-digit number, and its 5 times is also a three-digit number. The sum of its last two digits is a divisor of 60. The largest three-digit number.


"南水北调"郑州工程在紧张的施工中，工程要求河道两侧绿化各40米．金水区准备在规定的区域内植12行树，每行42棵，若每棵树苗8元钱，买这些树苗共需要多少钱？

The "South-to-North Water Diversion" Zhengzhou project is under intense construction, and the project requires 40 meters of greenery on both sides of the river. Jinshui District plans to plant 12 rows of trees in the specified area, with 42 trees in each row. If each sapling costs 8 yuan, how much will it cost to buy these saplings?

<gadget id="calculator">12 * 42 * 8</gadget>
<output>4_032</output>
<result>4_032</result>


甲、乙两地相距168千米，A、B两车同时从甲地开往乙地，A车每小时行39千米，B车每小时行24千米，A车因故在途中停了一会儿，当B车到达乙地时，A车再行12千米才能到达乙地，问A车在途中停了多长时间？

The distance between A and B is 168 kilometers. Two cars, A and B, are driving from A to B at the same time. A travels 39 kilometers per hour, and B travels 24 kilometers per hour. A stops on the way for some reason. After a while, when car B arrives at point B, car A travels another 12 kilometers to reach point B. How long did car A stop on the way?

<gadget id="calculator">168 / 24</gadget>
<output>7</output>
<gadget id="calculator">168 - 12</gadget>
<output>156</output>
<gadget id="calculator">156 / 39</gadget>
<output>4</output>
<gadget id="calculator">7 - 4</gadget>
<output>3</output>
<result>3</result>


健身园是长85米、宽66米的长方形．占地多少平方米？

The fitness garden is a rectangle with a length of 85 meters and a width of 66 meters. How many square meters does it cover?

<gadget id="calculator">85 * 66</gadget>
<output>5_610</output>
<result>5_610</result>


大于(1/9)而小于(5/9)且分数单位不变的最简真分数有多少个

How many simple true fractions are there that are greater than (1/9) but less than (5/9) and have the same fraction unit?


华能电厂买回22.5吨煤，用载重4.5吨的汽车运，至少要运多少次？(列方程解)

Huaneng Power Plant bought back 22.5 tons of coal and transported it by truck with a load of 4.5 tons. How many times should it be transported at least? (Solution of column equation)

<gadget id="calculator">22.5 / 4.5</gadget>
<output>5</output>
<result>5</result>


<gadget id="calculator">29 * 2</gadget>
<output>58</output>
<gadget id="calculator">588 - 58</gadget>
<output>530</output>
<result>530</result>


同学们浇树，二年级浇了32棵，三年级浇的棵数是二年级的3倍，四年级浇的棵数比二、三年级的总数少15棵．四年级浇了多少棵树？(列综合式解答)

The students watered 32 trees in the second grade, three times as many trees in the third grade, and 15 fewer trees in the fourth grade than in the second and third grades. How many trees did fourth grade water? (comprehensive answers)

<gadget id="calculator">32 * 3</gadget>
<output>96</output>
<gadget id="calculator">32 - 15</gadget>
<output>17</output>
<gadget id="calculator">96 + 17</gadget>
<output>113</output>
<result>113</result>


1.3里面有多少个0.01．

<gadget id="calculator">100 + 30 + 0</gadget>
<output>130</output>
<result>130</result>


有规格尺寸相同的5种颜色的袜子各15只混装在箱内，试问不记如何取，从箱中至少取出多少只就能保证有3双袜子颜色配套(袜子无左、右之分)？

There are 15 socks of 5 colors with the same specifications and sizes mixed in the box. If you don’t remember how to take them, you can ensure that there are 3 pairs of socks with matching colors (socks are not divided into left and right) ?

<gadget id="calculator">6 + 2 + 2</gadget>
<output>10</output>
<result>10</result>


公交车上有42人，到某一停靠站时，下车一些人，又上车5人，这时车上还有35人．这一站下车的有多少人？

There are 42 people on the bus. At a certain stop, some people get off and 5 people get on the bus. At this time, there are still 35 people on the bus. How many people get off at this stop?

<gadget id="calculator">5 - 35</gadget>
<output>-30</output>
<gadget id="calculator">42 + (-30)</gadget>
<output>12</output>
<result>12</result>


一个圆柱体底面直径是4分米，高是0.5分米，它的侧面积是6.28平方分米，它的表面积是多少平方分米？

The diameter of the base of a cylinder is 4 decimeters, the height is 0.5 decimeters, its lateral area is 6.28 square decimeters, how many square decimeters is its surface area?

<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">3.14 * 4 * 2</gadget>
<output>25.12</output>
<gadget id="calculator">25.12 + 6.28</gadget>
<output>31.4</output>
<result>31.4</result>


工程队要挖一段第565米的水沟，已经挖了502米．剩下的每天挖7米，还要挖多少天？

The engineering team is going to dig a ditch at the 565th meter, and has already dug 502 meters. The rest will dig 7 meters a day, how many more days will it take?

<gadget id="calculator">565 - 502</gadget>
<output>63</output>
<gadget id="calculator">63 / 7</gadget>
<output>9</output>
<result>9</result>


<gadget id="calculator">40 * 6</gadget>
<output>240</output>
<gadget id="calculator">250 - 240</gadget>
<output>10</output>
<result>10</result>


仓库原有一批货物，先运出它的(5/12)，再运进30吨，这时仓库货物比原来多15吨，现有货物多少吨？

The original batch of goods in the warehouse, first shipped out (5/12), and then shipped in 30 tons. At this time, the warehouse goods are 15 tons more than the original ones. How many tons are the existing goods?

<gadget id="calculator">30 - 15</gadget>
<output>15</output>
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>
<gadget id="calculator">15 / (5/12)</gadget>
<output>36</output>
<gadget id="calculator">36 + 15</gadget>
<output>51</output>
<result>51</result>


小飞家原来每月用水约10吨，更换了节水龙头后每月用水约9吨，每月用水比原来节约了百分之几？

Xiaofei's family used to use about 10 tons of water per month, but after replacing the water-saving faucet, it used about 9 tons of water per month.

<gadget id="calculator">10 - 9</gadget>
<output>1</output>
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<result>1/10 = around 0.1</result>


实验小学订购《科技报》，中年级订150份，高年级比中年级的1.5倍少30份，中、高年级共订购多少份？

Experimental Primary School subscribes to "Science and Technology News", middle grades order 150 copies, and senior grades order 30 copies 1.5 times less than middle grades. How many copies are ordered by middle and senior grades?

<gadget id="calculator">150 * 1.5</gadget>
<output>225</output>
<gadget id="calculator">225 - 30</gadget>
<output>195</output>
<gadget id="calculator">150 + 195</gadget>
<output>345</output>
<result>345</result>


丫丫拿7.6元钱去买文具，买了4支铅笔，每支0.8元，剩下的钱买图画纸，每张0.4元，可以买多少张图画纸？

Yaya took 7.6 yuan to buy stationery, bought 4 pencils, 0.8 yuan each, and the rest of the money to buy drawing paper, 0.4 yuan each, how many pieces of drawing paper can you buy?

<gadget id="calculator">0.8 * 4</gadget>
<output>3.2</output>
<gadget id="calculator">7.6 - 3.2</gadget>
<output>4.4</output>
<gadget id="calculator">4.4 / 0.4</gadget>
<output>11</output>
<result>11</result>


一瓶1升的牛奶，小华第一次喝了(5/12)升，第二次比第一次少喝(1/4)升．小华两次一共喝了多少升？

A bottle of 1 liter of milk, Xiaohua drank (5/12) liters for the first time, and drank less (1/4) liters for the second time than the first time. How many liters did Xiaohua drink in total for the two times?

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(5/12) - (1/4)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(5/12) + (1/6)</gadget>
<output>7/12 = around 0.583333</output>
<result>7/12 = around 0.583333</result>


六年二班今天出席47人，有3人因病请假，六年二班今天的缺席率是多少．

There are 47 people present in the second class of the sixth grade today, and 3 people ask for leave due to illness. What is the absence rate of the second class of the sixth grade today?

<gadget id="calculator">3 + 47</gadget>
<output>50</output>
<gadget id="calculator">3 / 50</gadget>
<output>3/50 = around 0.06</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(3/50) * 1</gadget>
<output>3/50 = around 0.06</output>
<result>3/50 = around 0.06</result>


小强和爷爷每天早上在操场跑到进行跑步锻炼，小强一圈要4分钟，爷爷一圈要20分钟，如果两人同时同地出发，小强第一次追上爷爷，用多少时间？

Xiaoqiang and his grandfather run to the playground every morning for running exercise. Xiaoqiang takes 4 minutes for one lap, and grandpa takes 20 minutes for one lap. If they both start at the same place at the same time, how long will it take for Xiaoqiang to catch up with grandpa for the first time?

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


花店先运来14束玫瑰花，每24朵是一束，一共有多少朵花？

The florist first shipped 14 bouquets of roses, each with 24 roses, how many roses are there in total?

<gadget id="calculator">14 * 24</gadget>
<output>336</output>
<result>336</result>


(5/3)、(15/7)、(20/9)分别同乘一个分数，积都是整数．这个分数最小是多少．

(5/3), (15/7), (20/9) are multiplied by a fraction respectively, and the products are all integers. What is the minimum score.

<gadget id="calculator">7 * 9</gadget>
<output>63</output>
<gadget id="calculator">63 / 5</gadget>
<output>63/5 = around 12.6</output>
<result>63/5 = around 12.6</result>


国庆节阅兵仪式上，有一队由空军士兵排成的一个中实方阵，最外一层有156人，请问方阵中一共有士兵多少人？

During the National Day military parade, there was a solid square formed by Air Force soldiers. There were 156 people on the outermost layer. How many soldiers are there in the square?

<gadget id="calculator">156 + 4</gadget>
<output>160</output>
<gadget id="calculator">160 / 4</gadget>
<output>40</output>
<gadget id="calculator">40 * 40</gadget>
<output>1_600</output>
<result>1_600</result>


小明上午7时和妈妈乘火车去姥姥家，晚上7时才到姥姥家，火车每小时行120千米．小明家离姥姥家有多少千米？

Xiaoming and his mother took the train to grandma's house at 7:00 am, and arrived at grandma's house at 7:00 pm. The train traveled 120 kilometers per hour. How many kilometers is Xiao Ming's house from grandma's house?

<gadget id="calculator">19 - 7</gadget>
<output>12</output>
<gadget id="calculator">120 * 12</gadget>
<output>1_440</output>
<result>1_440</result>


有一堆棋子，其中黑子的个数是白子个数的6倍，已知这堆棋子的总数在80与90之间．那么，其中黑子的个数是多少．

There is a pile of chess pieces in which the number of black pieces is 6 times the number of white pieces. It is known that the total number of pieces in this pile is between 80 and 90. So, what is the number of sunspots among them?

<gadget id="calculator">6 + 1</gadget>
<output>7</output>
<gadget id="calculator">84 / 7</gadget>
<output>12</output>
<gadget id="calculator">12 * 6</gadget>
<output>72</output>
<result>72</result>


把5000元钱存入银行，定期两年，年利率3.5%，需交5%利息税，到期可得税后利息多少元．

Deposit 5,000 yuan in the bank for two years, with an annual interest rate of 3.5%, and pay 5% interest tax. How much interest can you get after tax when it matures?

<gadget id="calculator">3.5 / 100</gadget>
<output>0.035</output>
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>
<gadget id="calculator">5_000 * 0.035 * 2 * (19/20)</gadget>
<output>332.5</output>
<result>332.5</result>


减数比被减数小4.5，被减数比差大3.6，被减数是多少．

The subtrahend is 4.5 smaller than the minuend, and the minuend is 3.6 larger than the difference. What is the minuend?

<gadget id="calculator">3.6 + 4.5</gadget>
<output>8.1</output>
<result>8.1</result>


两个加数的和是76.8，其中一个加数增加了7.24，另一个加数减少了9.14，和变成了多少．

The sum of the two addends is 76.8, one of which is increased by 7.24, and the other is decreased by 9.14, what is the sum.

<gadget id="calculator">7.24 - 9.14</gadget>
<output>-1.9</output>
<gadget id="calculator">76.8 + (-1.9)</gadget>
<output>74.9</output>
<result>74.9</result>


黑板长5米，宽比长少2米，要给黑板边缘安装钢条，需钢条多少米？

The length of the blackboard is 5 meters, and the width is 2 meters less than the length. To install steel bars on the edge of the blackboard, how many meters of steel bars are needed?

<gadget id="calculator">5 - 2</gadget>
<output>3</output>
<gadget id="calculator">5 + 3</gadget>
<output>8</output>
<gadget id="calculator">8 * 2</gadget>
<output>16</output>
<result>16</result>


一个三角形的周长是16.4厘米，其中第一、二两条边都是5厘米，第三条边长多少厘米？

The perimeter of a triangle is 16.4 centimeters, and the first and second sides are both 5 centimeters. How long is the third side in centimeters?

<gadget id="calculator">16.4 - 5 - 5</gadget>
<output>6.4</output>
<result>6.4</result>


一个正方形的边长是0.15m，这个正方形的周长是多少m

The side length of a square is 0.15m, what is the perimeter of the square in m

<gadget id="calculator">0.15 * 4</gadget>
<output>0.6</output>
<result>0.6</result>


把一个长方形按3：1放大，也就是各边放大到原来的多少倍．

Enlarge a rectangle by 3:1, that is, how many times each side is enlarged to its original size.

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


修一条公路，甲队单独修要15天，乙队单独修要12天，甲队先修6天后，剩下的由甲乙两队合修，甲乙两队合修还要几天？

It takes 15 days for team A to repair a road alone, and 12 days for team B to repair it alone. After team A repairs 6 days first, the rest will be jointly repaired by teams A and B. How many days will it take for teams A and B to jointly repair?

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/15) * 6</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">(1/15) + (1/12)</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">(3/5) / (3/20)</gadget>
<output>4</output>
<result>4</result>


一个正方体玻璃容器，从里面量棱长3分米，向容器中倒入18升水，再把一个铁块没入水中，这时量得容器内的水深是2.5分米．这个铁块的体积是多少？

A cube glass container, measure 3 decimeters from the inside, pour 18 liters of water into the container, then submerge an iron block into the water, then measure the water depth in the container to be 2.5 decimeters. What is the volume of this iron block?

<gadget id="calculator">3 * 3 * 2.5</gadget>
<output>22.5</output>
<gadget id="calculator">22.5 - 18</gadget>
<output>4.5</output>
<result>4.5</result>


在回收废电池的环保活动中，四年级共回收废电池840节，是六年级所回收废电池数量的(7/8)，五年级回收废电池的数量是六年级的(9/10)．五年级回收废电池多少节？

In the environmental protection activities of recycling waste batteries, the fourth grade recycled 840 waste batteries, which was 7/8 of the number of waste batteries recycled by the sixth grade, and the number of waste batteries recycled by the fifth grade was 9/10 of that of the sixth grade. How many knots of waste batteries are recycled in the fifth grade?

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>
<gadget id="calculator">840 / (7/8)</gadget>
<output>960</output>
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">960 * (9/10)</gadget>
<output>864</output>
<result>864</result>


五1班参加数学竞赛，全班平均成绩90分，男生平均分88分，女生平均分93分，这个班女生有18人，那么，男生有多少人？

Class 51 participated in the mathematics competition. The average score of the whole class is 90 points, the average score of boys is 88 points, and the average score of girls is 93 points. There are 18 girls in this class. So, how many boys are there?

<gadget id="calculator">93 * 18</gadget>
<output>1_674</output>
<gadget id="calculator">18 * 90</gadget>
<output>1_620</output>
<gadget id="calculator">1_674 - 1_620</gadget>
<output>54</output>
<gadget id="calculator">90 - 88</gadget>
<output>2</output>
<gadget id="calculator">54 / 2</gadget>
<output>27</output>
<result>27</result>


某工厂原计划15天生产玩具4500个．实际每天比计划多生产75个，实际完成任务要多少天？

factory originally planned to produce 4500 toys in 15 days. The actual daily production is 75 more than planned. How many days will it actually take to complete the task?

<gadget id="calculator">4_500 / 15</gadget>
<output>300</output>
<gadget id="calculator">75 + 300</gadget>
<output>375</output>
<gadget id="calculator">4_500 / 375</gadget>
<output>12</output>
<result>12</result>


五1班有52人，五2班有48人，数学考试中，两个班的平均成绩是85分，五2班的平均成绩比五1班多2分，五2班的平均成绩是多少分．

There are 52 students in class 51 and 48 students in class 52. In the math test, the average score of the two classes is 85 points. The average score of class 52 is 2 points higher than that of class 51. What is the average score of class 52? point.

<gadget id="calculator">52 + 48</gadget>
<output>100</output>
<gadget id="calculator">85 * 100</gadget>
<output>8_500</output>
<gadget id="calculator">2 * 48</gadget>
<output>96</output>
<gadget id="calculator">8_500 - 96</gadget>
<output>8_404</output>
<gadget id="calculator">8_404 / 100</gadget>
<output>2_101/25 = around 84.04</output>
<gadget id="calculator">(2_101/25) + 2</gadget>
<output>2_151/25 = around 86.04</output>
<result>2_151/25 = around 86.04</result>


三年级的同学们进行歌唱表演，每排24人，有12排，一共有多少人？

The students in the third grade performed singing performances. There are 24 people in each row, and there are 12 rows. How many people are there in total?

<gadget id="calculator">24 * 12</gadget>
<output>288</output>
<result>288</result>


一个铁皮通风管，长是10米，通风口是周长0.4米正方形．做4个这样的通风管，共需要铁皮多少平方米？

A metal ventilation pipe is 10 meters long, and the ventilation opening is a square with a circumference of 0.4 meters. How many square meters of iron sheets are needed to make 4 such ventilating pipes?

<gadget id="calculator">0.4 * 10 * 4</gadget>
<output>16</output>
<result>16</result>


一个车间计划六月份生产400个零件，上半月完成了40%，现在要使实际产量超额完成10%，下半月还必须生产多少个零件？

A workshop plans to produce 400 parts in June, and 40% of them are completed in the first half of the month. Now, if the actual output is 10% overfulfilled, how many parts must be produced in the second half of the month?

<gadget id="calculator">40 / 100</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">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(3/5) + (1/10)</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">400 * (7/10)</gadget>
<output>280</output>
<result>280</result>


一个数除以60，商是最大的两位数，余数是18，这个数是多少．

When a number is divided by 60, the quotient is the largest two-digit number and the remainder is 18. What is the number?

<gadget id="calculator">60 * 99</gadget>
<output>5_940</output>
<gadget id="calculator">5_940 + 18</gadget>
<output>5_958</output>
<result>5_958</result>


至少需多少个棱长是1厘米的小正方体，才能拼成一个大正方体．

At least how many small cubes with side lengths of 1 cm are needed to form a large cube.

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


一个圆锥形谷堆，底面周长是12.56米，高2.4米．每千克稻谷卖1.5元．这堆稻谷能卖多少钱？(每立方米稻谷重50千克)

conical grain mound with a base circumference of 12.56 meters and a height of 2.4 meters. It sells for 1.5 yuan per kilogram of rice. How much can this pile of rice be sold for? (50 kg per cubic meter of rice)

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">(1/3) * 3.14 * 4 * 2.4</gadget>
<output>10.048</output>
<gadget id="calculator">10.048 * 50</gadget>
<output>502.4</output>
<gadget id="calculator">1.5 * 502.4</gadget>
<output>753.6</output>
<result>753.6</result>


小明上周去百货商店用30元买了2支钢笔和4支铅笔．这周去百货商店时，发现钢笔降价10%，铅笔加价20%．于是，小明又花了30元买了3支钢笔和1支铅笔．现在买1支钢笔和1支铅笔一共需要多少元．

Xiao Ming went to a department store last week and bought 2 pens and 4 pencils for 30 yuan. When I went to the department store this week, I found that the price of pens was reduced by 10% and the price of pencils was increased by 20%. So Xiao Ming spent another 30 yuan to buy 3 pens and 1 pencil. How much does it cost to buy 1 pen and 1 pencil now?

<gadget id="calculator">2.5 * 2</gadget>
<output>5</output>
<gadget id="calculator">15 - 5</gadget>
<output>10</output>
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">10 * (9/10)</gadget>
<output>9</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">2.5 * (6/5)</gadget>
<output>3</output>
<gadget id="calculator">9 + 3</gadget>
<output>12</output>
<result>12</result>


<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>
<gadget id="calculator">171 / 495</gadget>
<output>19/55 = around 0.345455</output>
<gadget id="calculator">(2/9) + (19/55)</gadget>
<output>281/495 = around 0.567677</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">391 / 495</gadget>
<output>391/495 = around 0.789899</output>
<gadget id="calculator">495 / 562</gadget>
<output>495/562 = around 0.880783</output>
<gadget id="calculator">(281/495) * (2/3) * (391/495) * (495/562)</gadget>
<output>391/1_485 = around 0.2633</output>
<result>391/1_485 = around 0.2633</result>


甲、乙两艘军舰，从两个港口对开，甲舰每小时行42千米，乙舰每小时行38千米．乙舰开出1小时后，甲舰才开出．再经过4小时两舰相遇．两个港口相距多少千米？

Two warships, A and B, depart from two ports. Ship A travels 42 kilometers per hour, and ship B travels 38 kilometers per hour. One hour after Ship B departed, Ship A departed. After another 4 hours, the two ships met. How many kilometers are the two ports?

<gadget id="calculator">42 + 38</gadget>
<output>80</output>
<gadget id="calculator">80 * 4</gadget>
<output>320</output>
<gadget id="calculator">320 + 38</gadget>
<output>358</output>
<result>358</result>


一只锅一次可以煎两张饼，两面都煎，煎一面需2分钟，煎5张饼至少需要用多少分钟．

One pan can fry two cakes at a time, both sides are fried, it takes 2 minutes to fry one side, and how many minutes does it take to fry 5 cakes at least.

<gadget id="calculator">2 * 2</gadget>
<output>4</output>
<gadget id="calculator">2 * 3</gadget>
<output>6</output>
<gadget id="calculator">4 + 6</gadget>
<output>10</output>
<result>10</result>


某次足球比赛，最后决赛阶段只有6支球队参加，这6支球队要采取单循环赛(每两支球队都要赛一场)，这6支球队一共要进行多少场比赛？

In a football match, there are only 6 teams participating in the final stage. These 6 teams will adopt a single round robin match (every two teams will play one game). How many games will these 6 teams play 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>


小聪参加的夏令营活动定于7月25日出发，8月7日返回．他从出发到返回需要多少天？

Xiao Cong's summer camp is scheduled to start on July 25th and return on August 7th. How many days does it take him from departure to return?

<gadget id="calculator">31 - 25</gadget>
<output>6</output>
<gadget id="calculator">6 + 1 + 6 + 1</gadget>
<output>14</output>
<result>14</result>


星期天小明爸爸开车回老家，已经行驶的路程与剩下路程的比是5：3，又行驶56千米，这时正好行了全程的(3/4)．小明家距离老家多少千米？

On Sunday, Xiao Ming's father drove back to his hometown. The ratio of the distance traveled to the remaining distance was 5:3, and he drove another 56 kilometers, which happened to be the whole journey (3/4). How many kilometers is Xiao Ming's home from his hometown?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">5 + 3</gadget>
<output>8</output>
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">(3/4) - (5/8)</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">56 / (1/8)</gadget>
<output>448</output>
<result>448</result>


某公司开会，有25人缺席，有100人出席，这个会议的出席率是多少

A company has a meeting, 25 people are absent, and 100 people are present, what is the attendance rate of this meeting

<gadget id="calculator">25 + 100</gadget>
<output>125</output>
<gadget id="calculator">100 / 125</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(4/5) * 1</gadget>
<output>4/5 = around 0.8</output>
<result>4/5 = around 0.8</result>


<gadget id="calculator">30 / 60</gadget>
<output>1/2 = around 0.5</output>
<result>1/2 = around 0.5</result>


一个数除以35，商和余数都是13，这个数是多少

When a number is divided by 35, the quotient and remainder are both 13. What is this number?

<gadget id="calculator">35 * 13</gadget>
<output>455</output>
<gadget id="calculator">455 + 13</gadget>
<output>468</output>
<result>468</result>


有一堆糖果，其中水果糖占(4/7)，若再放入12颗奶糖．水果糖就只占(2/5)．这堆糖果原来一共有多少颗？

There are a bunch of candies, of which fruit candies account for (4/7), if 12 toffee candies are added. Fruit sugar only accounts for (2/5). How many candies were there in total?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>
<gadget id="calculator">(4/7) - (2/5)</gadget>
<output>6/35 = around 0.171429</output>
<gadget id="calculator">(2/5) / (6/35)</gadget>
<output>7/3 = around 2.333333</output>
<gadget id="calculator">12 * (7/3)</gadget>
<output>28</output>
<result>28</result>


247*□的积是三位数，□最大可填多少

The product of 247*□ is a three-digit number, what is the maximum number that can be filled in □


王老师花5000元银行保本型理财产品，预期一年后到期，预期年收益率4.50%时王老师能得到多少收益？(收益不包括本金)

Mr. Wang spends 5,000 yuan on bank capital-guaranteed wealth management products, which are expected to mature in one year, and how much profit can Mr. Wang get when the expected annual rate of return is 4.50%? (income does not include principal)

<gadget id="calculator">4.5 / 100</gadget>
<output>0.045</output>
<gadget id="calculator">5_000 * 0.045 * 1</gadget>
<output>225</output>
<result>225</result>


一块三角形菜地的面积是540平方米，量得底边上的高是30米，这块菜地的底边长是多少．

The area of a triangular vegetable field is 540 square meters, and the height above the base is 30 meters. What is the length of the bottom of this vegetable field?

<gadget id="calculator">2 / 30</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">540 * (1/15)</gadget>
<output>36</output>
<result>36</result>


已知一个长方形的周长是20厘米，它的长是7厘米，它的面积是多少平方厘米？

Given that the perimeter of a rectangle is 20 cm and its length is 7 cm, what is its area in square centimeters?

<gadget id="calculator">20 / 2</gadget>
<output>10</output>
<gadget id="calculator">10 - 7</gadget>
<output>3</output>
<gadget id="calculator">7 * 3</gadget>
<output>21</output>
<result>21</result>


李师傅加工了200个零件，合格195个，合格率是多少．

Master Li has processed 200 parts, 195 of them are qualified, what is the qualified rate?

<gadget id="calculator">195 / 200</gadget>
<output>39/40 = around 0.975</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(39/40) * 1</gadget>
<output>39/40 = around 0.975</output>
<result>39/40 = around 0.975</result>


<gadget id="calculator">0.00325 / 0.013</gadget>
<output>0.25</output>
<gadget id="calculator">0.22 - 0.2065</gadget>
<output>0.0135</output>
<gadget id="calculator">3.6 * 0.015</gadget>
<output>0.054</output>
<gadget id="calculator">0.0135 / 0.054</gadget>
<output>0.25</output>
<gadget id="calculator">0.25 / 0.25</gadget>
<output>1</output>
<result>1</result>


小明家的厨房长4米，宽2.5米，现在准备在厨房里铺边长是2分米的正方形地砖，那小明的爸爸应该买多少块地砖？

Xiao Ming's kitchen is 4 meters long and 2.5 meters wide, and now he is going to lay square floor tiles with a side length of 2 decimeters in the kitchen. How many floor tiles should Xiao Ming's father buy?

<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(1/5) * (1/5)</gadget>
<output>1/25 = around 0.04</output>
<gadget id="calculator">2.5 / (1/25)</gadget>
<output>62.5</output>
<gadget id="calculator">4 * 62.5</gadget>
<output>250</output>
<result>250</result>


三年级三班同学分两组植树，第一组植树35棵，第二组比第一组多植树8棵，二年级三班同学一共植树多少棵？

Class 3 of the third grade is divided into two groups to plant trees. The first group planted 35 trees, and the second group planted 8 more trees than the first group. How many trees were planted by the third class of the second grade?

<gadget id="calculator">35 + 8 + 35</gadget>
<output>78</output>
<result>78</result>


中心广场是12路公交车和17路公交车的首发站点，12路公交车每8分钟发车一次，17路公交车每5分钟发车一次，这两路公交车在第一次同时发车后，多少分钟后能再次同时发车？

The central square is the first stop of the No. 12 bus and the No. 17 bus. The No. 12 bus departs every 8 minutes, and the No. 17 bus departs every 5 minutes. After the two buses depart at the same time for the first time, how many Can we start again at the same time in minutes?

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


从甲地到乙地，一辆汽车以每小时50千米的速度行驶4.8小时可以到达．汽车实际每小时比计划多行10千米．这辆汽车实际几小时到达？

From point A to point B, it takes 4.8 hours for a car to travel at a speed of 50 kilometers per hour. The car actually travels 10 kilometers more per hour than planned. How many hours does the car actually arrive?

<gadget id="calculator">50 + 10</gadget>
<output>60</output>
<gadget id="calculator">4.8 / 60</gadget>
<output>0.08</output>
<gadget id="calculator">50 * 0.08</gadget>
<output>4</output>
<result>4</result>


科技馆播放"火星的秘密"，每场可容纳125人，每天播放6场，连播了4天还有35名学生没有看到．一共有多少名学生要看"火星的秘密"？

The Science and Technology Museum played "The Secret of Mars", each show can accommodate 125 people, 6 shows are played every day, and 35 students did not watch it after 4 consecutive days. How many students want to watch "Mystery of Mars"?

<gadget id="calculator">125 * 6 * 4</gadget>
<output>3_000</output>
<gadget id="calculator">3_000 + 35</gadget>
<output>3_035</output>
<result>3_035</result>


铅笔画有7张，蜡笔画有7张，水彩画也有7张，一共有多少张画？

There are 7 pencil drawings, 7 crayon drawings, and 7 watercolor paintings. How many drawings are there in total?

<gadget id="calculator">7 * 3</gadget>
<output>21</output>
<result>21</result>


在等式((□)/9)+((□)/2007)=1的□里分别填入正整数，使得等式成立，则不同的填法有多少种．

Fill in positive integers in □ of the equation ((□)/9)+((□)/2007)=1, so that the equation holds, how many different filling methods are there?


The product of 82*34 is how many times the product of 8.2*0.34.

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


亮亮体重40千克，明明比亮亮重(3/20)，明明体重多少千克．

Liangliang weighs 40 kilograms, which is obviously heavier than Liangliang (3/20), how much is Mingming's weight in kilograms.

<gadget id="calculator">3 / 20</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">1 + (3/20)</gadget>
<output>23/20 = around 1.15</output>
<gadget id="calculator">40 * (23/20)</gadget>
<output>46</output>
<result>46</result>


<gadget id="calculator">62 + 8</gadget>
<output>70</output>
<result>70</result>


平行四边形的底为1.3米，高为0.8米，与它等底等高的三角形的面积是多少．

The base of the parallelogram is 1.3 meters and the height is 0.8 meters. What is the area of the triangle with the same base and height?

<gadget id="calculator">0.8 / 2</gadget>
<output>0.4</output>
<gadget id="calculator">1.3 * 0.4</gadget>
<output>0.52</output>
<result>0.52</result>


学校图书室买来810本书，放在3个书架上，每个书架有3层，平均每层放了多少本书？

The school library bought 810 books and placed them on 3 bookshelves. Each shelf has 3 floors. How many books are placed on each floor on average?

<gadget id="calculator">810 / 3 / 3</gadget>
<output>90</output>
<result>90</result>


师徒二人每小时加工零件的比是8：5，已知徒弟每小时比师傅少加工12个，徒弟每小时加工零件多少个？

The ratio of parts processed by the master and apprentice is 8:5 per hour. It is known that the apprentice processes 12 fewer parts per hour than the master. How many parts does the apprentice process per hour?

<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>
<gadget id="calculator">(8/5) - 1</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">12 / (3/5)</gadget>
<output>20</output>
<result>20</result>


一个数的(3/5)是25的(2/5)，求这个数．

(3/5) of a number is (2/5) of 25, find this number.

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(2/5) / (3/5)</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">25 * (2/3)</gadget>
<output>50/3 = around 16.666667</output>
<result>50/3 = around 16.666667</result>


长方形的长是15分米，宽是10分米，它的周长是多少分米．

If the length of a rectangle is 15 decimeters and the width is 10 decimeters, what is its perimeter?

<gadget id="calculator">15 + 10</gadget>
<output>25</output>
<gadget id="calculator">25 * 2</gadget>
<output>50</output>
<result>50</result>


一个数除13511，13903，14589的余数都相同，这个数最大是多少．

If a number divides 13511, 13903, and 14589, the remainders are the same. What is the largest number?

<gadget id="calculator">2 * 7 * 7</gadget>
<output>98</output>
<result>98</result>


解决问题题目：-个圆缩小后面积是原来的(1/81)，缩小前半径是45厘米．缩小后的周长是多少？

Solve the problem title: The area of a circle after shrinking is the original (1/81), and the radius before shrinking is 45 cm. What is the reduced circumference?

<gadget id="calculator">45 / 9</gadget>
<output>5</output>
<gadget id="calculator">2 * 3.14 * 5</gadget>
<output>31.4</output>
<result>31.4</result>


一根绳子长(29/10)米，用去同样长的5段，还剩(13/20)米，每段绳子长多少米？

A rope is (29/10) meters long, and 5 sections of the same length are used, leaving (13/20) meters, how many meters is each section of rope?

<gadget id="calculator">29 / 10</gadget>
<output>29/10 = around 2.9</output>
<gadget id="calculator">13 / 20</gadget>
<output>13/20 = around 0.65</output>
<gadget id="calculator">(29/10) - (13/20)</gadget>
<output>9/4 = around 2.25</output>
<gadget id="calculator">(9/4) / 5</gadget>
<output>9/20 = around 0.45</output>
<result>9/20 = around 0.45</result>


小红徒步行走2km，每(1/5)km处有一个标志，小红走到第5个标志时，正好步行了多少km．

Xiaohong walks 2km on foot, and there is a sign at every (1/5)km. When Xiaohong reaches the fifth sign, how many kilometers does she walk exactly?

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


(1/6) plus (3/4) multiplied by (2/3), the sum obtained is divided by (1/9), what is the quotient?

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(3/4) * (2/3)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(1/6) + (1/2)</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>
<gadget id="calculator">(2/3) / (1/9)</gadget>
<output>6</output>
<result>6</result>


一件羽绒服优惠120元后卖384元，这件羽绒服原价多少元？(列方程解答)

A down jacket is sold for 384 yuan after a discount of 120 yuan. How much is the original price of this down jacket? (column equation solution)

<gadget id="calculator">384 + 120</gadget>
<output>504</output>
<result>504</result>


商店运来一些水果，运来苹果12筐，梨的筐数是苹果的(3/4)，同时又是橘子的(3/5)．运来橘子多少筐？

The store brought some fruits, 12 baskets of apples, and the number of baskets of pears was apples (3/4) and oranges (3/5). How many baskets of oranges are there?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">(3/4) / (3/5)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">12 * (5/4)</gadget>
<output>15</output>
<result>15</result>


两个修路队合修一条公路，甲队已修了全长的28%，乙队修了24千米，两队共修了全长的48%．这条公路全长多少千米？

Two road repairing teams jointly build a road. Team A has repaired 28% of the total length, Team B has repaired 24 kilometers, and the two teams have repaired 48% of the total length. How long is this road in kilometers?

<gadget id="calculator">48 / 100</gadget>
<output>12/25 = around 0.48</output>
<gadget id="calculator">28 / 100</gadget>
<output>7/25 = around 0.28</output>
<gadget id="calculator">(12/25) - (7/25)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">24 / (1/5)</gadget>
<output>120</output>
<result>120</result>


<gadget id="calculator">36 * 6</gadget>
<output>216</output>
<result>216</result>


学校食堂有大米700千克，盐400千克，大米比盐多多少千克？

The school cafeteria has 700 kilograms of rice and 400 kilograms of salt. How much more rice is there than salt?

<gadget id="calculator">700 - 400</gadget>
<output>300</output>
<result>300</result>


小明做一道乘法计算题时，把其中一个因数23看成了32，结果得到的积比正确的积多2277．请问正确的积是多少？

When Xiao Ming was doing a multiplication problem, he regarded one of the factors, 23, as 32, and the resulting product was 2277 more than the correct product. What is the correct product?

<gadget id="calculator">32 - 23</gadget>
<output>9</output>
<gadget id="calculator">2_277 / 9</gadget>
<output>253</output>
<gadget id="calculator">253 * 23</gadget>
<output>5_819</output>
<result>5_819</result>


一个圆锥形沙堆底面半径是1米，高4.5米，用这堆沙在5米宽的公路上铺2厘米厚，能铺多少米．

A cone-shaped sand pile has a radius of 1 meter at the bottom and a height of 4.5 meters. If this pile of sand is used to spread 2 cm thick on a road with a width of 5 meters, how many meters can it cover?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">(1/3) * 3.14 * 1 * 4.5</gadget>
<output>4.71</output>
<gadget id="calculator">5 * 0.02</gadget>
<output>0.1</output>
<gadget id="calculator">4.71 / 0.1</gadget>
<output>47.1</output>
<result>47.1</result>


一列长150米的火车以每秒16米的速度穿越一条隧道，火车穿越隧道(从进入隧道直至完全离开)用了49秒，这条隧道长多少米？

150-meter-long train passes through a tunnel at a speed of 16 meters per second. It takes 49 seconds for the train to pass through the tunnel (from entering the tunnel to leaving completely). How long is the tunnel?

<gadget id="calculator">16 * 49</gadget>
<output>784</output>
<gadget id="calculator">784 - 150</gadget>
<output>634</output>
<result>634</result>


中心校五年级一班的同学参加劳动，按4人一组分余1人，按5人一组分余1人，按6人一组分余1人．这个班有多少个同学？

Class 1 of the fifth grade in the central school participates in labor, with 1 student in a group of 4, 1 student in a group of 5, and 1 student in a group of 6. How many students are there in this class?

<gadget id="calculator">2 * 2 * 3 * 5</gadget>
<output>60</output>
<gadget id="calculator">60 + 1</gadget>
<output>61</output>
<result>61</result>


<gadget id="calculator">4.58 * 25.1</gadget>
<output>114.958</output>
<gadget id="calculator">45.8 * 6.35</gadget>
<output>290.83</output>
<gadget id="calculator">0.458 * 114</gadget>
<output>52.212</output>
<gadget id="calculator">114.958 + 290.83 + 52.212</gadget>
<output>458</output>
<result>458</result>


<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>
<gadget id="calculator">1 - (1/100)</gadget>
<output>99/100 = around 0.99</output>
<gadget id="calculator">2 * (99/100)</gadget>
<output>99/50 = around 1.98</output>
<result>99/50 = around 1.98</result>


一本书共200页，晓音第一天读了这本书的20%，第二天读了余下部分的30%，第三天应从第多少页读起．

A book has 200 pages in total. Xiaoyin read 20% of the book on the first day, and 30% of the remaining part on the second day. On the third day, she should start from the page number.

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">200 * (1/5)</gadget>
<output>40</output>
<gadget id="calculator">200 - 40</gadget>
<output>160</output>
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">160 * (3/10)</gadget>
<output>48</output>
<gadget id="calculator">40 + 48 + 1</gadget>
<output>89</output>
<result>89</result>


JOLIN演唱会的门票是3000元一张，减价后观众人数増长一倍，门票收入增加了(1/5)，问减价后的票价是多少元？

Tickets for the JOLIN concert are 3000 yuan per ticket. After the price reduction, the audience doubles and the ticket revenue increases (1/5). How much is the ticket price after the price reduction?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">(6/5) / 2</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">3_000 * (3/5)</gadget>
<output>1_800</output>
<result>1_800</result>


小圆的直径是3厘米，大圆的半径是4厘米，大圆的面积是小圆面积的多少倍

The diameter of the small circle is 3 cm, the radius of the large circle is 4 cm, how many times the area of the large circle is the area of the small circle

<gadget id="calculator">64 / 9</gadget>
<output>64/9 = around 7.111111</output>
<result>64/9 = around 7.111111</result>


啄木鸟每天能吃625只害虫，青蛙4天吃了404只害虫．啄木鸟比青蛙每天多吃多少只害虫？

The woodpecker can eat 625 pests every day, and the frog can eat 404 pests in 4 days. How many more pests do woodpeckers eat per day than frogs?

<gadget id="calculator">404 / 4</gadget>
<output>101</output>
<gadget id="calculator">625 - 101</gadget>
<output>524</output>
<result>524</result>


<gadget id="calculator">3 - 2 - 1</gadget>
<output>0</output>
<gadget id="calculator">4 + 0 + 0</gadget>
<output>4</output>
<gadget id="calculator">4 * 503</gadget>
<output>2_012</output>
<result>2_012</result>


已知两个不同的分数单位之和是(1/12)，求这两个分数单位之差的最小值．

Given that the sum of two different fractional units is (1/12), find the minimum value of the difference between these two fractional units.

<gadget id="calculator">1 / 21</gadget>
<output>1/21 = around 0.047619</output>
<gadget id="calculator">1 / 28</gadget>
<output>1/28 = around 0.035714</output>
<gadget id="calculator">(1/21) - (1/28)</gadget>
<output>1/84 = around 0.011905</output>
<result>1/84 = around 0.011905</result>


甜瓜每千克7.5元，妈妈买了2.6千克，给售货员20元钱，应找回多少钱？

The melon is 7.5 yuan per kilogram. My mother bought 2.6 kilograms and gave the salesperson 20 yuan. How much should I get back?

<gadget id="calculator">7.5 * 2.6</gadget>
<output>19.5</output>
<gadget id="calculator">20 - 19.5</gadget>
<output>0.5</output>
<result>0.5</result>


一个圆锥形沙堆，底面直径是4米，高1.5米．用这堆沙在10米宽的公路上铺2厘米厚的路面，能铺多少米长？

A cone-shaped sand pile has a base diameter of 4 meters and a height of 1.5 meters. Use this pile of sand to pave a road with a thickness of 2 cm on a road with a width of 10 meters. How many meters can it be paved with?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">(1/3) * 3.14 * 4 * 1.5</gadget>
<output>6.28</output>
<gadget id="calculator">6.28 / 10 / 0.02</gadget>
<output>31.4</output>
<result>31.4</result>


小王家到学校的距离是3千米，按1：2000的比例尺画在图上，应画多少．

The distance from Xiao Wang's house to the school is 3 kilometers, how much should be drawn on the map according to the scale of 1:2000.

<gadget id="calculator">1 / 2_000</gadget>
<output>1/2_000 = around 0.0005</output>
<gadget id="calculator">(1/2_000) / 10</gadget>
<output>1/20_000 = around 0.00005</output>
<gadget id="calculator">3 * 100_000 * (1/20_000)</gadget>
<output>15</output>
<result>15</result>


一种电子产品的合格率为95%，现在生产的一批电子产品共3000个，淘汰不合格产品后，每个按8.5元销售．这批电子产品共可销售多少元？

The qualification rate of an electronic product is 95%. There are 3000 electronic products produced in a batch. After the unqualified products are eliminated, each one will be sold at 8.5 yuan. How much can these electronic products be sold in total?

<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>
<gadget id="calculator">3_000 * (19/20) * 8.5</gadget>
<output>24_225</output>
<result>24_225</result>


A、B两城的公路长400千米，一辆汽车从A城开往B城，第一小时行了全程的(1/8)，第二小时行了全程的(3/10)，还剩下多少千米？

The road between cities A and B is 400 kilometers long. A car travels from city A to city B. It travels the whole distance (1/8) in the first hour, and travels the whole distance (3/10) in the second hour. How many kilometers are left?

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">1 - (1/8) - (3/10)</gadget>
<output>23/40 = around 0.575</output>
<gadget id="calculator">400 * (23/40)</gadget>
<output>230</output>
<result>230</result>


有一根绳子，用去它的(1/5)后，还剩下20米，绳子原来长多少米？

There is a rope. After using up (1/5) of it, there are still 20 meters left. How long is the rope originally?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">20 / (4/5)</gadget>
<output>25</output>
<result>25</result>


小王家有四口人，住房面积72.6平方米，他家平均每人住房面积是多少平方米？

There are four people in Xiao Wang's family, with a housing area of 72.6 square meters. What is the average housing area per person in his family?

<gadget id="calculator">72.6 / 4</gadget>
<output>18.15</output>
<result>18.15</result>


六年级有三个班，一班占三个班总人数的25%，二班和三班的总人数比是7：8，一班比三班少24人，六年级共有多少人？

There are three classes in grade six. Class one accounts for 25% of the total number of students in the three classes. The ratio of the total number of students in class two to class three is 7:8. Class one has 24 students less than class three. How many students are there in grade six?

<gadget id="calculator">7 + 8</gadget>
<output>15</output>
<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">(8/15) * (3/4)</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(2/5) - (1/4)</gadget>
<output>3/20 = around 0.15</output>
<gadget id="calculator">24 / (3/20)</gadget>
<output>160</output>
<result>160</result>


在10～20的正整数中任取一个质数与一个合数相乘，则所有这些积的和是多少．

If a prime number is multiplied by a composite number from any positive integer between 10 and 20, what is the sum of all these products?

<gadget id="calculator">10 + 12 + 14 + 15 + 16 + 18 + 20</gadget>
<output>105</output>
<gadget id="calculator">11 * 105</gadget>
<output>1_155</output>
<gadget id="calculator">13 * 105</gadget>
<output>1_365</output>
<gadget id="calculator">17 * 105</gadget>
<output>1_785</output>
<gadget id="calculator">19 * 105</gadget>
<output>1_995</output>
<gadget id="calculator">1_155 + 1_365 + 1_785 + 1_995</gadget>
<output>6_300</output>
<result>6_300</result>


分母是455的所有最简真分数的和等于多少．

What is the sum of all the simplest proper fractions whose denominator is 455?

<gadget id="calculator">455 / 5</gadget>
<output>91</output>
<gadget id="calculator">455 / 7</gadget>
<output>65</output>
<gadget id="calculator">455 / 13</gadget>
<output>35</output>
<gadget id="calculator">91 + 65 + 35</gadget>
<output>191</output>
<gadget id="calculator">455 - 1 - 191</gadget>
<output>263</output>
<gadget id="calculator">13 + 5 + 7</gadget>
<output>25</output>
<gadget id="calculator">263 + 25</gadget>
<output>288</output>
<gadget id="calculator">288 / 2</gadget>
<output>144</output>
<result>144</result>


一个三角形，高是1.2分米，是相对应的底的2倍，则它的面积是多少平方分米．

A triangle whose height is 1.2 decimeters is twice the corresponding base, what is its area in square decimeters?

<gadget id="calculator">1.2 / 2</gadget>
<output>0.6</output>
<gadget id="calculator">0.6 * 0.6</gadget>
<output>0.36</output>
<result>0.36</result>


五月份生产DVD机1260台，比四月份多生产(1/8)，四月份生产多少台？

In May, 1,260 DVD players were produced, which was 1/8 more than in April. How many units were produced in April?

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">1 + (1/8)</gadget>
<output>9/8 = around 1.125</output>
<gadget id="calculator">1_260 / (9/8)</gadget>
<output>1_120</output>
<result>1_120</result>


用铁丝围成一个长5cm，宽2cm高3cm的长方体，至少需要铁丝多少．

Use iron wire to form a cuboid with a length of 5cm, a width of 2cm and a height of 3cm. At least how much iron wire is needed.

<gadget id="calculator">5 + 2 + 3</gadget>
<output>10</output>
<gadget id="calculator">10 * 4</gadget>
<output>40</output>
<result>40</result>


What is the fraction of 85% composition?

<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>
<result>17/20 = around 0.85</result>


李华读一本书，第一天读了全书的(2/11)，第二天比第一天多读了8页，这时读过的页数与剩下的页数的比是4：5，这本书一共有多少页？

When Li Hua reads a book, he reads the whole book on the first day (2/11), and reads 8 more pages on the second day than on the first day. At this time, the ratio of the number of pages read to the number of remaining pages is 4 : 5. How many pages does this book have?

<gadget id="calculator">4 + 5</gadget>
<output>9</output>
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>
<gadget id="calculator">2 / 11</gadget>
<output>2/11 = around 0.181818</output>
<gadget id="calculator">(4/9) - (2/11) - (2/11)</gadget>
<output>8/99 = around 0.080808</output>
<gadget id="calculator">8 / (8/99)</gadget>
<output>99</output>
<result>99</result>


一支施工队修建一段公路，平均每天修165米，修了12天后还剩下115米，这段公路一共有多少米？

A construction team builds a section of road, repairing an average of 165 meters per day. After 12 days of repairing, there are still 115 meters left. How many meters is this section of road in total?

<gadget id="calculator">165 * 12</gadget>
<output>1_980</output>
<gadget id="calculator">1_980 + 115</gadget>
<output>2_095</output>
<result>2_095</result>


某DVD厂家今年7月份生产DVD560台，比六月份增产(2/5)，六月份生产了多少台？

A DVD manufacturer produced 560 DVDs in July this year, an increase (2/5) compared to June. How many DVDs were produced in June?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>
<gadget id="calculator">560 / (7/5)</gadget>
<output>400</output>
<result>400</result>


小亮家今年前两个月的电费是192元，第三个月的电费是102元，那么，他家这三个月平均每月的电费是多少元？

Xiaoliang’s electricity bill for the first two months of this year is 192 yuan, and the electricity bill for the third month is 102 yuan. So, how much is his family’s average monthly electricity bill for these three months?

<gadget id="calculator">192 + 102</gadget>
<output>294</output>
<gadget id="calculator">294 / 3</gadget>
<output>98</output>
<result>98</result>


小小家承包的菜地长500米，宽80米．今年菜地平均每公顷收白菜1000千克．今天菜地共收白菜多少千克？

The vegetable field contracted by Xiaoxiao’s family is 500 meters long and 80 meters wide. This year, the vegetable field received an average of 1,000 kilograms of cabbage per hectare. How many kilograms of cabbage is harvested in the vegetable field today?

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


一个圆锥的底面周长是15.7厘米，高是3厘米．从圆锥的顶点沿着高将它切成两半后，表面积之和比原圆锥的表面积增加了多少平方厘米？

A cone has a base circumference of 15.7 cm and a height of 3 cm. By how many square centimeters does the sum of the surface areas increase from the surface area of the original cone when it is cut in half from the apex along the height?

<gadget id="calculator">15.7 / 3.14</gadget>
<output>5</output>
<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">5 * 3 * 2</gadget>
<output>30</output>
<result>30</result>


一列火车从甲城到乙城，以每小时80千米的速度行驶了6小时，以每小时90千米的速度行驶了7小时，以每小时110千米的速度行驶了3小时，求这列火车的平均速度．

train travels from city A to city B at a speed of 80 kilometers per hour for 6 hours, at a speed of 90 kilometers per hour for 7 hours, and at a speed of 110 kilometers per hour for 3 hours. Find this The average speed of the train.

<gadget id="calculator">80 * 6</gadget>
<output>480</output>
<gadget id="calculator">90 * 7</gadget>
<output>630</output>
<gadget id="calculator">110 * 3</gadget>
<output>330</output>
<gadget id="calculator">480 + 630 + 330</gadget>
<output>1_440</output>
<gadget id="calculator">6 + 7 + 3</gadget>
<output>16</output>
<gadget id="calculator">1_440 / 16</gadget>
<output>90</output>
<result>90</result>


一节2.5米长的通风管，横截面是边长为0.5米的正方形．如果用铁皮做这样的通风管50节，需要多少平方米的铁皮？

A 2.5-meter-long ventilation pipe has a cross-section of a square with side lengths of 0.5 meters. How many square meters of iron sheets are needed if iron sheets are used to make 50 knots of such ventilating pipes?

<gadget id="calculator">0.5 * 4 * 2.5 * 50</gadget>
<output>250</output>
<result>250</result>


小明在做减法时，错把减数117写成了171，结果为80，正确的结果是多少．

When Xiao Ming was doing subtraction, he mistakenly wrote the subtrahend 117 as 171, and the result was 80. What is the correct result?

<gadget id="calculator">171 - 117</gadget>
<output>54</output>
<gadget id="calculator">80 + 54</gadget>
<output>134</output>
<result>134</result>


小王口袋里有5个蓝球，3个红球，7个黄球，那么至少取多少个球，才能保证三种颜色的球都取到．

Xiao Wang has 5 blue balls, 3 red balls, and 7 yellow balls in his pocket, so how many balls should be taken at least to ensure that all three colors of balls are taken.

<gadget id="calculator">5 + 7 + 1</gadget>
<output>13</output>
<result>13</result>


工人叔叔排成一个空心方阵，最外层共有68人，最内层共有44人，工人叔叔一共有多少人？

The worker uncles are arranged in a hollow square. There are 68 people in the outermost layer and 44 people in the innermost layer. How many workers are there in total?

<gadget id="calculator">68 / 4</gadget>
<output>17</output>
<gadget id="calculator">17 + 1</gadget>
<output>18</output>
<gadget id="calculator">44 / 4</gadget>
<output>11</output>
<gadget id="calculator">11 + 1</gadget>
<output>12</output>
<gadget id="calculator">18 - 12</gadget>
<output>6</output>
<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">3 + 1</gadget>
<output>4</output>
<gadget id="calculator">18 - 4</gadget>
<output>14</output>
<gadget id="calculator">14 * 4 * 4</gadget>
<output>224</output>
<result>224</result>


贝贝在计算4.05除以一个数时，把商的小数点向左多点了一位，结果是0.09．这道题的除数是多少？

When Beibei calculated 4.05 and divided it by a number, he moved the decimal point of the quotient by one place to the left, and the result was 0.09. What is the divisor for this question?

<gadget id="calculator">4.05 / 0.9</gadget>
<output>4.5</output>
<result>4.5</result>


圆的周长是6.28分米，那么半圆的周长是多少分米．

The circumference of a circle is 6.28 decimeters, so how many decimeters is the circumference of a semicircle?

<gadget id="calculator">6.28 / 3.14</gadget>
<output>2</output>
<gadget id="calculator">6.28 / 2</gadget>
<output>3.14</output>
<gadget id="calculator">3.14 + 2</gadget>
<output>5.14</output>
<result>5.14</result>


一台步步高复读机要88元，一台长虹彩电的价格是步步高复读机的34倍，长虹彩电比复读机贵多少元？

backgammon repeater costs 88 yuan, and a Changhong color TV is 34 times more expensive than a backgammon repeater. How much more expensive is a Changhong color TV than a repeater?

<gadget id="calculator">88 * 34</gadget>
<output>2_992</output>
<gadget id="calculator">2_992 - 88</gadget>
<output>2_904</output>
<result>2_904</result>


甲数除以乙数的商是0.8，那么甲数是乙数的多少

The quotient of number A divided by number B is 0.8, then how much is number A equal to number B

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


Find the rules and fill in the numbers. (8, 6, 16, 3, 24, 2, 12, how much)

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


运输队用8辆车4小时运送货物640吨，照这样计算，用10辆这样的汽车运送3800吨货物，需要多少时间？

The transport team uses 8 vehicles to transport 640 tons of goods in 4 hours. According to this calculation, how long will it take to transport 3,800 tons of goods with 10 such vehicles?

<gadget id="calculator">640 / 8 / 4</gadget>
<output>20</output>
<gadget id="calculator">20 * 10</gadget>
<output>200</output>
<gadget id="calculator">3_600 / 200</gadget>
<output>18</output>
<result>18</result>


某一筐水果中有苹果和若干个梨，若每次拿出1个苹果和1个梨，则拿到没有苹果时，还剩下50个梨；若每次拿走1个苹果和3个梨，则拿到没有梨时，苹果还剩下50个，那么这筐水果共有多少个？

There are apples and several pears in a certain fruit basket, if you take out 1 apple and 1 pear each time, when you get no apples, there are still 50 pears left; if you take 1 apple and 3 pears each time Pears, when there are no pears, there are still 50 apples left, so how many fruits are there in this basket?

<gadget id="calculator">50 / 3</gadget>
<output>50/3 = around 16.666667</output>
<gadget id="calculator">(50/3) + 50</gadget>
<output>200/3 = around 66.666667</output>
<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">(200/3) / (2/3)</gadget>
<output>100</output>
<gadget id="calculator">100 + 50</gadget>
<output>150</output>
<gadget id="calculator">100 + 150</gadget>
<output>250</output>
<result>250</result>