甲、乙二人带着同样多的食物进行野外探险，甲带的食物可供甲吃10天，乙带的食物可供乙吃15天．现在两人同时出发，开始时各自吃自己带的食物，当甲吃完自己的食物后再吃乙带的食物，那么两人最多能在野外探险多少天？

and B carry the same amount of food for a field adventure. The food brought by A can last A 10 days, and the food brought by B can last B 15 days. Now they set off at the same time. At the beginning, they each eat the food they brought. When A finishes eating his own food, he then eats the food brought by B. How many days can the two explore at most in the wild?

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/15) * 10</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(1/10) + (1/15)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/3) / (1/6)</gadget>
<output>2</output>
<gadget id="calculator">10 + 2</gadget>
<output>12</output>
<result>12</result>


一个打字员每分钟打908个字，他9分钟能打多少个字．

A typist can type 908 characters per minute, how many characters can he type in 9 minutes?

<gadget id="calculator">908 * 9</gadget>
<output>8_172</output>
<result>8_172</result>


春节刚过，妈妈要把小红的压岁钱5000元存入银行，年利率为9.98%，(不扣税)两年后妈妈把钱取了出来，则妈妈能取出多少元钱．

Just after the Spring Festival, my mother wants to deposit Xiaohong’s lucky money of 5,000 yuan in the bank, with an annual interest rate of 9.98% (without tax deduction).

<gadget id="calculator">9.98 / 100</gadget>
<output>0.0998</output>
<gadget id="calculator">5_000 * 0.0998 * 2</gadget>
<output>998</output>
<gadget id="calculator">5_000 + 998</gadget>
<output>5_998</output>
<result>5_998</result>


妈妈用高压锅做米饭10分钟，妈妈打电话用2分钟，妈妈炒菜10分钟，妈妈做完这些事至少要用多长时间？

Mom uses a pressure cooker to cook rice for 10 minutes, mom makes a phone call for 2 minutes, and mom cooks for 10 minutes. How long will it take mom to finish these things?

<gadget id="calculator">10 - 10</gadget>
<output>0</output>
<gadget id="calculator">10 + 2 + 0</gadget>
<output>12</output>
<result>12</result>


三个数的平均数是120，加上一个数，四个数的平均数是115，这个数是多少？

The average of three numbers is 120, plus one number, the average of four numbers is 115, what is this number?


一辆自行车的车轮半径是0.4米，车轮每分钟转100圈，要通过一座2512米长的大桥，大约需要几分钟？

The radius of a bicycle wheel is 0.4 meters, and the wheel rotates 100 times per minute. How many minutes does it take to pass a 2512-meter-long bridge?

<gadget id="calculator">3.14 * 0.4 * 2</gadget>
<output>2.512</output>
<gadget id="calculator">2.512 * 100</gadget>
<output>251.2</output>
<gadget id="calculator">2_512 / 251.2</gadget>
<output>10</output>
<result>10</result>


把5个棱长是5dm的正方体拼成一个立体图形，这个立体图形的体积是多少．

Put together 5 cubes whose edge length is 5dm to form a three-dimensional figure, what is the volume of this three-dimensional figure?

<gadget id="calculator">5 * 5 * 5 * 5</gadget>
<output>625</output>
<result>625</result>


小亚和爸爸妈妈三人一起去看菊展，成人票每张35元，儿童票每张15元，他们买门票要花去多少钱？

Xiaoya and her parents went to see the chrysanthemum exhibition together. The tickets for adults were 35 yuan and the tickets for children were 15 yuan. How much did they spend on the tickets?

<gadget id="calculator">35 * 2</gadget>
<output>70</output>
<gadget id="calculator">70 + 15</gadget>
<output>85</output>
<result>85</result>


25的2倍去除8个125相加的和，结果是多少？

What is the result of dividing the sum of 8 125 by 2 times of 25?

<gadget id="calculator">125 * 8</gadget>
<output>1_000</output>
<gadget id="calculator">25 * 2</gadget>
<output>50</output>
<gadget id="calculator">1_000 / 50</gadget>
<output>20</output>
<result>20</result>


用一根长84厘米的铁丝做一个长方体的框架，长是9厘米，宽是5厘米，它的高应该是多少厘米．

Use an 84 cm long iron wire to make a rectangular parallelepiped frame with a length of 9 cm and a width of 5 cm. What is its height in cm?

<gadget id="calculator">84 / 4</gadget>
<output>21</output>
<gadget id="calculator">9 + 5</gadget>
<output>14</output>
<gadget id="calculator">21 - 14</gadget>
<output>7</output>
<result>7</result>


把100折成两个自然数的和，其中一个是7的倍数，另一个是13的倍数，那么这两个自然数的差是多少．

If 100 is folded into the sum of two natural numbers, one of which is a multiple of 7 and the other is a multiple of 13, what is the difference between these two natural numbers?

<gadget id="calculator">13 * 5</gadget>
<output>65</output>
<gadget id="calculator">7 * 5</gadget>
<output>35</output>
<gadget id="calculator">65 - 35</gadget>
<output>30</output>
<result>30</result>


It is known that 273*18=4914, so how much is 2.73*0.18=.

<gadget id="calculator">2.73 * 0.18</gadget>
<output>0.4914</output>
<result>0.4914</result>


三个同学踢毽子，小强踢了140下，是李平的(5/7)，张丽踢的是李平的(3/4)，张丽踢了多少下？

Three classmates kicked the shuttlecock, Xiaoqiang kicked 140 times, it was Li Ping's (5/7), Zhang Li kicked Li Ping's (3/4), how many times did Zhang Li kick?

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">140 / (5/7)</gadget>
<output>196</output>
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">196 * (3/4)</gadget>
<output>147</output>
<result>147</result>


农科所进行种子发芽试验，用200粒种子进行试验，有8粒种子没有发芽，求种子的发芽率？

The Institute of Agricultural Sciences conducts a seed germination test. 200 seeds are used for the test, and 8 seeds do not germinate. What is the germination rate of the seeds?

<gadget id="calculator">200 - 8</gadget>
<output>192</output>
<gadget id="calculator">192 / 200</gadget>
<output>24/25 = around 0.96</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(24/25) * 1</gadget>
<output>24/25 = around 0.96</output>
<result>24/25 = around 0.96</result>


甲乙丙三人各拿同样多的钱合买苹果若干千克．分苹果时，甲和丙都比乙多拿了7.5千克苹果，这样，甲和丙各应给乙6元钱，每千克苹果多少元．

A, B, and C each buy several kilograms of apples together with the same amount of money. When distributing apples, both A and C took 7.5 kilograms more apples than B. In this way, A and C should each give B 6 yuan, how many yuan per kilogram of apples.

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">7.5 * (2/3)</gadget>
<output>5</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">6 * (2/5)</gadget>
<output>12/5 = around 2.4</output>
<result>12/5 = around 2.4</result>


圆心角为30°，半径为12厘米的扇形面积是多少平方厘米．

What is the area in square centimeters of a sector with a central angle of 30° and a radius of 12 centimeters?

<gadget id="calculator">30 / 360</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">12 ** 2</gadget>
<output>144</output>
<gadget id="calculator">(1/12) * 3.14 * 144</gadget>
<output>37.68</output>
<result>37.68</result>


刘颖读一本180页的故事书，第一天读了全书的30%，第二天读了全书的(1/5)，还剩多少页？

Liu Ying reads a 180-page story book. She reads 30% of the whole book on the first day and 1/5 of the whole book on the second day. How many pages are left?

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">(3/10) + (1/5)</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">180 * (1/2)</gadget>
<output>90</output>
<result>90</result>


一个长80cm、宽45cm、高40cm的长方体鱼缸，里面装有26cm深的水，把一块长65cm．宽20cm的铁块完全浸入水中后，鱼缸内的水深39cm，铁块的高是多少厘米？

A cuboid fish tank with a length of 80 cm, a width of 45 cm, and a height of 40 cm is filled with 26 cm deep water, and a piece of water with a length of 65 cm. After an iron block with a width of 20 cm is completely submerged in water, the water depth in the fish tank is 39 cm. What is the height of the iron block in centimeters?

<gadget id="calculator">39 - 26</gadget>
<output>13</output>
<gadget id="calculator">65 * 20</gadget>
<output>1_300</output>
<gadget id="calculator">13 / 1_300</gadget>
<output>1/100 = around 0.01</output>
<gadget id="calculator">80 * 45 * (1/100)</gadget>
<output>36</output>
<result>36</result>


小明带了8.5元钱去买学习用品．他买了一个笔记本2.6元，一副三角板3.4元，小明还剩多少钱？

Xiao Ming took 8.5 yuan to buy school supplies. He bought a notebook for 2.6 yuan and a pair of triangle boards for 3.4 yuan. How much money does Xiao Ming have left?

<gadget id="calculator">2.6 + 3.4</gadget>
<output>6</output>
<gadget id="calculator">8.5 - 6</gadget>
<output>2.5</output>
<result>2.5</result>


一块梯形地种了40棵龙眼树，这块地的上底长16米，下底长24米，高20米，平均每棵龙眼树占地多少平方米？

40 longan trees are planted in a trapezoidal plot. The upper base of this plot is 16 meters long, the lower base is 24 meters long, and the height is 20 meters. How many square meters does each longan tree occupy on average?

<gadget id="calculator">16 + 24</gadget>
<output>40</output>
<gadget id="calculator">20 / 2 / 40</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">40 * (1/4)</gadget>
<output>10</output>
<result>10</result>


三个小伙伴一起称体重，兵兵的体重是25.7千克，军军比兵兵轻0.72千克，丁丁比军军轻1.4千克，丁丁的体重是多少千克？

The three friends weighed together. Bingbing weighed 25.7 kilograms, Junjun was 0.72 kilograms lighter than Bingbing, and Ding Ding was 1.4 kilograms lighter than Junjun. How many kilograms does Ding Ding weigh?

<gadget id="calculator">25.7 - 0.72 - 1.4</gadget>
<output>23.58</output>
<result>23.58</result>


一个养鸡场共养母鸡700只，母鸡的只数是公鸡的4倍这个养鸡场养公鸡多少只？

A chicken farm has a total of 700 hens, and the number of hens is four times that of roosters. How many roosters are there in this chicken farm?

<gadget id="calculator">4 + 1</gadget>
<output>5</output>
<gadget id="calculator">700 / 5</gadget>
<output>140</output>
<result>140</result>


一个西瓜，爸爸吃了它的(2/5)，妈妈吃了它的(1/5)，剩下的小刚都吃了，小刚吃了这块西瓜的几分之几？

A watermelon, father ate (2/5) of it, mother ate (1/5) of it, and Xiao Gang ate the rest, how much of this watermelon did Xiao Gang eat?

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


一个梯形的面积是38.22平方厘米，已知它的上底是12.6厘米，下底是5.6厘米，高是多少厘米．

The area of a trapezoid is 38.22 square centimeters. It is known that its upper base is 12.6 cm, its lower base is 5.6 cm, and its height is in cm.

<gadget id="calculator">12.6 + 5.6</gadget>
<output>18.2</output>
<gadget id="calculator">2 / 18.2</gadget>
<output>0.10989</output>
<gadget id="calculator">38.22 * 0.10989</gadget>
<output>4.199996</output>
<result>4.199996</result>


一条鱼的鱼头长3cm，身长等于头长加尾长，尾长等于头长加一半身长．这条鱼身长多少厘米？

The head of a fish is 3 cm long, the body length is equal to the length of the head plus the length of the tail, and the length of the tail is equal to the length of the head plus half the length of the body. How long is this fish in centimeters?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">3 * (1/2)</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">3 + (3/2)</gadget>
<output>9/2 = around 4.5</output>
<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(9/2) / (1/2)</gadget>
<output>9</output>
<gadget id="calculator">3 + 9</gadget>
<output>12</output>
<result>12</result>


若甲数是乙数的80%，则乙数是甲数的多少．

If the number A is 80% of the number B, then the number B is the number A.

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 * (4/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 / (4/5)</gadget>
<output>5/4 = around 1.25</output>
<result>5/4 = around 1.25</result>


王老师每分钟打字125个，比学生小王每分钟打字的2倍还多25个，两人一分钟共可以打字多少个？

Teacher Wang types 125 words per minute, which is 25 times more than that of student Xiao Wang. How many words can the two of them type in one minute?

<gadget id="calculator">125 - 25</gadget>
<output>100</output>
<gadget id="calculator">100 / 2</gadget>
<output>50</output>
<gadget id="calculator">50 + 125</gadget>
<output>175</output>
<result>175</result>


小红买3个相同的足球，付了200元，找回14元．每个足球多少元？

Xiaohong bought 3 identical footballs, paid 200 yuan, and got back 14 yuan. How much is each football?

<gadget id="calculator">200 - 14</gadget>
<output>186</output>
<gadget id="calculator">186 / 3</gadget>
<output>62</output>
<result>62</result>


学校科技组有158人，比文艺组的4倍少2人，文艺组有多少人？(用方程解)

There are 158 people in the science and technology group of the school, which is 2 times less than the literature and art group. How many people are there in the literature and art group? (solution by equation)

<gadget id="calculator">158 + 2</gadget>
<output>160</output>
<gadget id="calculator">160 / 4</gadget>
<output>40</output>
<result>40</result>


六年三班有女生24人，女生比男生少(1/5)，这个班男生有多少人？

There are 24 girls in class 3 of the sixth year, and there are fewer girls than boys (1/5). How many boys are there in this class?

<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">24 / (4/5)</gadget>
<output>30</output>
<result>30</result>


工程队修一条长2.4千米的公路，第一天修全长的(1/3)，第二天修全长的40%，第二天比第一天多修多少千米？

The engineering team repairs a 2.4-kilometer-long highway. On the first day, it builds 1/3 of the full length, and on the second day, it repairs 40% of the total length. How many kilometers more will be repaired on the second day than on the first day?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(2/5) - (1/3)</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">24 * (1/15)</gadget>
<output>8/5 = around 1.6</output>
<result>8/5 = around 1.6</result>


今年祖父的年龄是小明的6倍，几年后，祖父的年龄将是小明的5倍，又过几年以后，祖父的年龄是小明年龄的4倍．问祖父今年多少岁？

This year, my grandfather is 6 times as old as Xiaoming. After a few years, my grandfather will be 5 times as old as Xiaoming. After a few years, my grandfather will be 4 times as old as Xiaoming. How old is grandpa?

<gadget id="calculator">60 / 5</gadget>
<output>12</output>
<gadget id="calculator">12 * 6</gadget>
<output>72</output>
<result>72</result>


某工厂存煤160吨，原来每天烧1.5吨，烧了30天后，余下的每天烧2.5吨，还可以烧多少天？

A factory has 160 tons of coal in storage. It used to burn 1.5 tons per day. After 30 days of burning, the remaining coal is 2.5 tons per day. How many more days can it burn?

<gadget id="calculator">1.5 * 30</gadget>
<output>45</output>
<gadget id="calculator">160 - 45</gadget>
<output>115</output>
<gadget id="calculator">115 / 2.5</gadget>
<output>46</output>
<result>46</result>


钟面上的时针从3：00到7：00旋转了多少°．

How many degrees does the hour hand on the clock face rotate from 3:00 to 7:00?

<gadget id="calculator">7 - 3</gadget>
<output>4</output>
<gadget id="calculator">30 * 4</gadget>
<output>120</output>
<result>120</result>


一个圆柱的侧面积是1256cm**2，底面半径是10cm，它的高是多少cm．

The lateral area of a cylinder is 1256cm**2, the radius of the bottom surface is 10cm, what is its height in cm?

<gadget id="calculator">3.14 * 10 * 2</gadget>
<output>62.8</output>
<gadget id="calculator">1_256 / 62.8</gadget>
<output>20</output>
<result>20</result>


<gadget id="calculator">6.3 * 2.57</gadget>
<output>16.191</output>
<gadget id="calculator">25.7 * 0.37</gadget>
<output>9.509</output>
<gadget id="calculator">16.191 + 9.509</gadget>
<output>25.7</output>
<result>25.7</result>


有三张卡片，上面分别写着3、4、5．从中任取两张卡片，把卡片上的两个数相加，可以得到多少个不同的和．

There are three cards with 3, 4, and 5 written on them. Take two cards at random and add the two numbers on the cards, how many different sums can be obtained?


星火电影院2号厅有18排座位，每排24个座位，一共可以容纳观众多少人？

There are 18 rows of seats in Hall 2 of Xinghuo Cinema, and each row has 24 seats. How many people can it accommodate in total?

<gadget id="calculator">18 * 24</gadget>
<output>432</output>
<result>432</result>


在一个边长为6厘米的正方形里放置一个最大的圆，这个圆的面积是多少？

Place the largest circle in a square with side length 6 cm, what is the area of the circle?

<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>
<gadget id="calculator">3.14 * 9</gadget>
<output>28.26</output>
<result>28.26</result>


一件工作，甲、乙、丙单独做分别要用12小时、18小时和24小时，这项工作由甲先做了若干小时，再由乙接着做，乙做的小时数是甲的3倍，最后由丙做，丙做的时间是乙的2倍，终于全部完工，共用了多少小时？

A piece of work, A, B, and C alone will take 12 hours, 18 hours, and 24 hours respectively. This work is done by A for a certain number of hours, and then B will continue to do it. The number of hours that B does is 3 times that of A. , C is the last to do it, and C takes twice as long as B to finish it. How many hours did it take?

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">1 / 18</gadget>
<output>1/18 = around 0.055556</output>
<gadget id="calculator">(1/18) * 3</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 / 24</gadget>
<output>1/24 = around 0.041667</output>
<gadget id="calculator">(1/24) * 6</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/12) + (1/6) + (1/4)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 / (1/2)</gadget>
<output>2</output>
<gadget id="calculator">3 * 2</gadget>
<output>6</output>
<gadget id="calculator">6 * 2</gadget>
<output>12</output>
<gadget id="calculator">2 + 6 + 12</gadget>
<output>20</output>
<result>20</result>


建邺区六年级有120人参加语文阅读大赛，获奖人数占总人数的(3/10)，而获奖人数中的(1/3)是女生．获奖的男生占总人数的几分之几？

There are 120 students in the sixth grade in Jianye District who participated in the Chinese reading competition, and the number of winners accounted for (3/10) of the total number of people, and (1/3) of the number of winners were girls. What percentage of the total number of boys won the award?

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</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">(3/10) * (2/3)</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


甲数和乙数的比是5：6，已知甲数是30，乙数是多少．

The ratio of number A to number B is 5:6. Given that number A is 30, what is the number B?

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">30 / (5/6)</gadget>
<output>36</output>
<result>36</result>


一辆重型车的载重是8吨，一辆轻型车载重量是5吨，现要把一批煤送到工厂，两车同时送了12趟，这批煤有几吨？

The load of a heavy truck is 8 tons, and the weight of a light truck is 5 tons. Now a batch of coal is to be sent to the factory. The two trucks deliver 12 times at the same time. How many tons is this batch of coal?

<gadget id="calculator">8 + 5</gadget>
<output>13</output>
<gadget id="calculator">13 * 12</gadget>
<output>156</output>
<result>156</result>


粮店运进150袋面粉和180袋大米，每袋面35千克，每袋大米80千克．运进的面粉和大米一共多少千克？

The grain store brings in 150 bags of flour and 180 bags of rice, each bag of flour is 35 kg, and each bag of rice is 80 kg. How many kilograms of flour and rice were brought in?

<gadget id="calculator">35 * 150</gadget>
<output>5_250</output>
<gadget id="calculator">80 * 180</gadget>
<output>14_400</output>
<gadget id="calculator">5_250 + 14_400</gadget>
<output>19_650</output>
<result>19_650</result>


甲乙两车同时从距离840千米的AB两地相向而行，5小时后相遇，甲车每小时行88千米，乙车每小时行多少千米？

Cars A and B are traveling toward each other from AB, which is 840 kilometers away, and meet each other after 5 hours. Car A travels 88 kilometers per hour. How many kilometers per hour does Car B travel?

<gadget id="calculator">840 / 5</gadget>
<output>168</output>
<gadget id="calculator">168 - 88</gadget>
<output>80</output>
<result>80</result>


把一个高是40厘米的圆柱的侧面展开，得到一个正方形，这个圆柱的侧面积是多少平方厘米．

Expand the sides of a cylinder with a height of 40 cm to obtain a square. What is the side area of the cylinder in square centimeters?

<gadget id="calculator">40 * 40</gadget>
<output>1_600</output>
<result>1_600</result>


一个长方形，如果边长增加5厘米，宽增加7厘米，那么面积就增加121平方厘米，这时恰好是一个正方形．则原来长方形的面积是多少平方厘米．

For a rectangle, if the side length is increased by 5 cm and the width is increased by 7 cm, then the area is increased by 121 square centimeters, which is exactly a square. What is the area of the original rectangle in square centimeters?

<gadget id="calculator">7 - 5</gadget>
<output>2</output>
<gadget id="calculator">6 + 2</gadget>
<output>8</output>
<gadget id="calculator">8 * 6</gadget>
<output>48</output>
<result>48</result>


浩浩和童童一起参加环保有奖活动：5个废电池可以换2次摸奖机会，浩浩捡了12个废电池，童童捡了8个废电池，他们加起来正好换得8次摸奖机会，结果中奖6次，领到15支水性笔，他俩这次的中奖率是多少？

Haohao and Tongtong participated in the environmental protection award activity together: 5 waste batteries can be exchanged for 2 chances of lucky draw, Haohao picked up 12 waste batteries, Tongtong picked up 8 waste batteries, they added up to exchange for 8 lucky chances In the end, they won 6 prizes and received 15 water-based pens. What is their winning rate this time?

<gadget id="calculator">6 / 8</gadget>
<output>3/4 = around 0.75</output>
<result>3/4 = around 0.75</result>


一堆煤，第一周用去这堆煤的40%，每二周用去这堆煤的(1/3)，刚好用去4吨．这堆煤原有多少吨？

For a pile of coal, 40% of the pile of coal is used in the first week, and 1/3 of the pile of coal is used every two weeks, exactly 4 tons. How many tons is this pile of coal?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(2/5) + (1/3)</gadget>
<output>11/15 = around 0.733333</output>
<gadget id="calculator">4 / (11/15)</gadget>
<output>60/11 = around 5.454545</output>
<result>60/11 = around 5.454545</result>


为准备春季运动会，学校体育组购买了羽毛球拍和乒乓球拍各13副，其中，羽毛球拍32元/副，乒乓球拍29元/副，共需花多少钱？

In order to prepare for the spring sports meeting, the school sports team purchased 13 badminton rackets and 13 table tennis rackets. Among them, the badminton rackets cost 32 yuan per pair and the table tennis rackets cost 29 yuan per pair. How much does it cost?

<gadget id="calculator">13 * 32</gadget>
<output>416</output>
<gadget id="calculator">13 * 29</gadget>
<output>377</output>
<gadget id="calculator">416 + 377</gadget>
<output>793</output>
<result>793</result>


下面各题中，运算顺序和32/8*4的运算顺序一样的是多少

In the following questions, what is the order of operations that is the same as that of 32/8*4

<gadget id="calculator">32 - 8</gadget>
<output>24</output>
<gadget id="calculator">24 + 4</gadget>
<output>28</output>
<result>28</result>


李大妈去年到银行存了3000元钱，存期三年，年利率3%，到期后，李老师可获得利息多少钱？

Aunt Li deposited 3,000 yuan in the bank last year. The deposit period is three years and the annual interest rate is 3%. After the maturity, how much interest will Mr. Li get?

<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>
<gadget id="calculator">3_000 * (3/100) * 3</gadget>
<output>270</output>
<result>270</result>


28个305的和是多少．

<gadget id="calculator">305 * 28</gadget>
<output>8_540</output>
<result>8_540</result>


一辆卡车以每小时65千米的速度在公路上行驶，距离它后面5千米处有一辆小轿车以第小时80千米的速度同向行驶．不一会，小轿车追上了卡车．在追上之前1分钟时两车相距多少米．

truck is traveling on a road at a speed of 65 km/h, and 5 km behind it is a car traveling in the same direction at a speed of 80 km/h. After a while, the car caught up with the truck. What is the distance between the two cars in 1 minute before catching up?

<gadget id="calculator">1_000 / 60</gadget>
<output>50/3 = around 16.666667</output>
<gadget id="calculator">80 * (50/3)</gadget>
<output>4_000/3 = around 1_333.333333</output>
<gadget id="calculator">65 * (50/3)</gadget>
<output>3_250/3 = around 1_083.333333</output>
<gadget id="calculator">(4_000/3) - (3_250/3)</gadget>
<output>250</output>
<result>250</result>


修一条水渠，计划每天修80m，20天可以完成，如果要提前4天完成，那么每天要比计划多修多少米．

To build a canal, it is planned to build 80m per day, and it can be completed in 20 days. If it is to be completed 4 days ahead of schedule, how many meters will be repaired every day than planned.

<gadget id="calculator">20 - 4</gadget>
<output>16</output>
<gadget id="calculator">80 / 16</gadget>
<output>5</output>
<gadget id="calculator">20 * 5</gadget>
<output>100</output>
<gadget id="calculator">100 - 80</gadget>
<output>20</output>
<result>20</result>


一个圆柱形水桶，从里面量底面直径为4分米，高为5分米．这个水桶最多能盛多少水？

A cylindrical bucket has a diameter of 4 decimeters measured from the inside and a height of 5 decimeters. How much water can this bucket hold?

<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">3.14 * 4 * 5</gadget>
<output>62.8</output>
<result>62.8</result>


相同的两本书重600克，一本书重多少克．

Two identical books weigh 600 grams, how many grams does one book weigh?

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


有60个草莓，吃了18个，剩下的每7个放一盘，可以放几盘？列式为多少

There are 60 strawberries, 18 have been eaten, and the remaining 7 are put on a plate, how many plates can be placed? What is the column

<gadget id="calculator">60 - 18</gadget>
<output>42</output>
<gadget id="calculator">42 / 7</gadget>
<output>6</output>
<result>6</result>


果园种了36行苹果树，每行18棵，一共种了多少棵苹果树？

There are 36 rows of apple trees planted in the orchard, and each row has 18 trees. How many apple trees are planted in total?


一堆煤，第一次运走5吨，第二次运走了这堆煤的37.5%，还剩下(1/2)，这堆煤共有多少吨？

For a pile of coal, 5 tons were removed for the first time, and 37.5% of the pile was removed for the second time, leaving (1/2), how many tons of coal is there in total?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">37.5 / 100</gadget>
<output>0.375</output>
<gadget id="calculator">1 - (1/2) - 0.375</gadget>
<output>0.125</output>
<gadget id="calculator">5 / 0.125</gadget>
<output>40</output>
<result>40</result>


圆柱的底面半径缩小2倍，体积缩小多少倍

If the radius of the base of the cylinder is reduced by 2 times, the volume is reduced by how many times


射击50发子弹，结果有2发没有命中，命中率为多少．

If 50 bullets are fired and 2 of them miss, what is the hit rate?

<gadget id="calculator">50 - 2</gadget>
<output>48</output>
<gadget id="calculator">48 / 50</gadget>
<output>24/25 = around 0.96</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(24/25) * 1</gadget>
<output>24/25 = around 0.96</output>
<result>24/25 = around 0.96</result>


一件工作，甲单独做要20天完成，乙单独做要12天完成，如果这件工作先由甲队做若干天，再由乙队做完，两个队共用了14天，甲队做了几天？

A job can be completed in 20 days by A alone, and 12 days by B alone. If this job is done by team A for several days, and then finished by team B, the two teams share 14 days. How many days?

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">(1/12) * 14</gadget>
<output>7/6 = around 1.166667</output>
<gadget id="calculator">(7/6) - 1</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">(1/12) - (1/20)</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">(1/6) / (1/30)</gadget>
<output>5</output>
<result>5</result>


李老师从学校回家先乘3小时火车，再乘2小时汽车到站．已知火车平均每小时行驶67千米，汽车平均每小时行驶45千米，李老师家离学校有多少千米？

Teacher Li went home from school by train for 3 hours, and then by bus for 2 hours to the station. It is known that trains travel an average of 67 kilometers per hour, and cars travel an average of 45 kilometers per hour. How many kilometers is it from Teacher Li’s home to the school?

<gadget id="calculator">67 * 3</gadget>
<output>201</output>
<gadget id="calculator">45 * 2</gadget>
<output>90</output>
<gadget id="calculator">201 + 90</gadget>
<output>291</output>
<result>291</result>


某筑路队铺一条公路，原计划每天铺1.2千米，15天铺完，实际每天比原计划多铺0.3千米，实际多少天铺完？

A road construction team paved a road. The original plan was to pave 1.2 kilometers per day, and it took 15 days to complete the pavement. The actual pavement was 0.3 kilometers more than the original plan per day. How many days was actually paved?

<gadget id="calculator">1.2 + 0.8</gadget>
<output>2</output>
<gadget id="calculator">15 / 2</gadget>
<output>15/2 = around 7.5</output>
<gadget id="calculator">1.2 * (15/2)</gadget>
<output>9</output>
<result>9</result>


3箱鸡蛋一共有216个，每箱有6盒，平均每盒有多少个鸡蛋？

There are 216 eggs in 3 cartons, and there are 6 boxes in each carton. How many eggs are there on average in each carton?

<gadget id="calculator">6 * 3</gadget>
<output>18</output>
<gadget id="calculator">216 / 18</gadget>
<output>12</output>
<result>12</result>


草地上有一个桩，把一只羊用绳系在木桩上，如果绳长5米，这只羊最多可以吃到多少平方米的草？

There is a stake in the grass, and a sheep is tied to the stake with a rope. If the rope is 5 meters long, how many square meters of grass can the sheep eat at most?


一架飞机每分飞行21千米，每时飞行多少千米．

An airplane flies 21 kilometers per minute, how many kilometers does it fly per hour?

<gadget id="calculator">21 * 60</gadget>
<output>1_260</output>
<result>1_260</result>


养鸡场公鸡只数与母鸡只数之比是6：5，当公鸡卖出660只后，公鸡只数与母鸡只数之比是5：6，现在养鸡场还有多少只鸡？

The ratio of the number of cocks to the number of hens in the chicken farm is 6:5. When 660 cocks are sold, the ratio of the number of roosters to the number of hens is 5:6. How many chickens are there in the chicken farm now? ?

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">(6/5) - (5/6)</gadget>
<output>11/30 = around 0.366667</output>
<gadget id="calculator">660 / (11/30)</gadget>
<output>1_800</output>
<gadget id="calculator">1_800 / 6</gadget>
<output>300</output>
<gadget id="calculator">5 + 6</gadget>
<output>11</output>
<gadget id="calculator">300 * 11</gadget>
<output>3_300</output>
<result>3_300</result>


幼儿园老师给三组学生分糖果，如果只平均分给第一组，每个学生分12个；如果只平均分给第二组，每个学生分15个；如果只平均分给第三组，每个学生分20个．那么平均分给三个组，则每个学生分多少个？

The kindergarten teacher distributes candies to the three groups of students. If only the first group is distributed equally, each student will receive 12; if only the second group is distributed equally, each student will receive 15; if only the third group is distributed equally, 20 for each student. So how many points are divided into three groups on average?

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


有一块正方形西瓜地，边长是300米，每公顷产西瓜5万千克，这块地一共可收西瓜多少千克？

There is a square watermelon field with a side length of 300 meters and a yield of 50,000 kilograms of watermelons per hectare. How many kilograms of watermelons can be harvested in this field?

<gadget id="calculator">300 / 10_000</gadget>
<output>3/100 = around 0.03</output>
<gadget id="calculator">300 * (3/100) * 5</gadget>
<output>45</output>
<result>45</result>


把一个底面直径10cm、高12cm的圆锥形铁块，熔铸成一个长是5cm、宽是4cm的长方体铁块．这个长方体铁块的高是多少cm．

A conical iron block with a base diameter of 10 cm and a height of 12 cm is melted and cast into a cuboid iron block with a length of 5 cm and a width of 4 cm. What is the height of the cuboid in cm?

<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">3.14 * 25 * 12 * (1/3)</gadget>
<output>314</output>
<gadget id="calculator">5 * 4</gadget>
<output>20</output>
<gadget id="calculator">314 / 20</gadget>
<output>157/10 = around 15.7</output>
<result>157/10 = around 15.7</result>


在四川雅安地震救助行动中，李叔叔三天在一线工作54小时，照这样计算，他一个星期一共工作了多长时间？

During the Sichuan Ya'an Earthquake Rescue Operation, Uncle Li worked 54 hours in the front line in three days. Based on this calculation, how many hours did he work in a week?

<gadget id="calculator">54 / 3</gadget>
<output>18</output>
<gadget id="calculator">18 * 7</gadget>
<output>126</output>
<result>126</result>


一项工程，甲独做要8小时完成，乙在相同的时间内只能完成甲工作量的80%，二人合做，几小时完成？

project needs 8 hours to be completed by A alone, and B can only complete 80% of A's workload in the same time. If two people work together, how many hours will it be completed?

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">(1/8) * (4/5)</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(1/8) + (1/10)</gadget>
<output>9/40 = around 0.225</output>
<gadget id="calculator">1 / (9/40)</gadget>
<output>40/9 = around 4.444444</output>
<result>40/9 = around 4.444444</result>


一个圆形鱼池的直径是20米，如果绕周围走一圈，要走多少米．

The diameter of a circular fish pond is 20 meters. If you walk around it, how many meters will you need to walk?

<gadget id="calculator">3.14 * 20</gadget>
<output>62.8</output>
<result>62.8</result>


一根铁丝长16米，第一次用去全长的(1/6)，第二次用去全长的(7/12)，还剩下多少米？

A piece of iron wire is 16 meters long. If you use up the full length (1/6) for the first time and use up the full length (7/12) for the second time, how many meters are left?

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>
<gadget id="calculator">1 - (1/6) - (7/12)</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">16 * (1/4)</gadget>
<output>4</output>
<result>4</result>


用一张边长是20分米的正方形铁皮围成一个圆柱，它的侧面积是多少．

A cylinder is surrounded by a square iron sheet whose side length is 20 decimeters. What is its lateral area?

<gadget id="calculator">20 * 20</gadget>
<output>400</output>
<result>400</result>


小明站在一条直行的铁道旁，从远处向小明驶来的火车拉响汽笛，过了一会儿，小明听见汽笛声，再过27秒钟，火车行驶到他面前．已知火车的速度是34米/秒，音速是340米/秒，那么火车拉响汽笛时距离小明多少米远．

Xiao Ming stood beside a straight railway, and blew the whistle of the train coming towards Xiao Ming from a distance. After a while, Xiao Ming heard the whistle, and 27 seconds later, the train came in front of him. It is known that the speed of the train is 34 m/s, and the speed of sound is 340 m/s, so how far away is the distance from Xiao Ming when the train whistles.

<gadget id="calculator">340 - 34</gadget>
<output>306</output>
<gadget id="calculator">340 / 306</gadget>
<output>10/9 = around 1.111111</output>
<gadget id="calculator">27 * (10/9) * 34</gadget>
<output>1_020</output>
<result>1_020</result>


有一批白菜，第一辆车运走了这批白菜的13%，第二辆车运走了这批白菜的17%，两辆车一共运走了60吨．这批白菜一共多少吨？

There is a batch of cabbage, the first truck transported 13% of the batch of cabbage, the second truck transported 17% of the batch of cabbage, and the two trucks transported a total of 60 tons. How many tons is this batch of cabbage?

<gadget id="calculator">13 / 100</gadget>
<output>13/100 = around 0.13</output>
<gadget id="calculator">17 / 100</gadget>
<output>17/100 = around 0.17</output>
<gadget id="calculator">(13/100) + (17/100)</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">60 / (3/10)</gadget>
<output>200</output>
<result>200</result>


小杨上午做了48个玩具，下午做了54个玩具，每6个玩具装一箱．这天小杨做的玩具一共可以装几箱？

Xiao Yang made 48 toys in the morning and 54 toys in the afternoon, and packed 6 toys into a box. How many boxes can the toys made by Xiao Yang fit in today?

<gadget id="calculator">48 + 54</gadget>
<output>102</output>
<gadget id="calculator">102 / 6</gadget>
<output>17</output>
<result>17</result>


一列汽车13：00从德江出发，16：00到贵阳，这辆汽车平均每小时行90千米．德江到贵阳有多少千米？

A train departs from Dejiang at 13:00 and arrives in Guiyang at 16:00. This train travels an average of 90 kilometers per hour. How many kilometers is it from Dejiang to Guiyang?

<gadget id="calculator">90 * 3</gadget>
<output>270</output>
<result>270</result>


150千克大米吃去20%后，又吃了余下的20%，还剩多少千克．

After eating 20% of 150 kilograms of rice, and eating the remaining 20%, how many kilograms are left.

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">150 * (4/5) * (4/5)</gadget>
<output>96</output>
<result>96</result>


一个数除以27，商是15，有余数．当余数最大时被除数是多少．

When a number is divided by 27, the quotient is 15 with a remainder. What is the dividend when the remainder is the largest.

<gadget id="calculator">27 * 15</gadget>
<output>405</output>
<gadget id="calculator">27 - 1</gadget>
<output>26</output>
<gadget id="calculator">405 + 26</gadget>
<output>431</output>
<result>431</result>


为了更好的适应初中生活，同时培养小明的阅读能力，爸爸决定给小明这段暑假制定一个阅读计划：要求小明完成阅读一本书籍得同时，每天还要新增固定数量得阅读材料，假设所有阅读内容以页数计数，小明的阅读速度是相同得、固定的(单位是页/10分钟)，如果每天阅读50分钟，24天恰好完成原有阅读书籍及新增阅读材料；如果每天阅读90分钟，12天就恰好完成原有阅读书籍及新增阅读材料．现小明每天固定阅读若干分钟，表现得很认真，效果也很好，8天后，爸爸决定以后每天得新增阅读材料减半，结果小明40天恰好完成所有阅读．问：小明每天阅读几分钟？

In order to better adapt to life in junior high school and cultivate Xiao Ming's reading ability at the same time, Dad decided to make a reading plan for Xiao Ming during the summer vacation: requiring Xiao Ming to finish reading a book while adding a fixed amount of reading materials every day. Assuming all The reading content is counted by the number of pages. Xiaoming’s reading speed is the same and fixed (the unit is page/10 minutes). If he reads 50 minutes a day, he can just complete the original reading books and new reading materials in 24 days; if he reads 90 minutes a day Minutes, 12 days to complete the original reading books and new reading materials. Now Xiaoming reads for a few minutes every day, is very serious, and the effect is also very good. After 8 days, his father decided to halve the new reading materials every day in the future. As a result, Xiaoming just completed all the readings in 40 days. Q: How many minutes does Xiao Ming read every day?

<gadget id="calculator">50 / 10</gadget>
<output>5</output>
<gadget id="calculator">5 * 24</gadget>
<output>120</output>
<gadget id="calculator">90 / 10</gadget>
<output>9</output>
<gadget id="calculator">9 * 12</gadget>
<output>108</output>
<gadget id="calculator">120 - 108</gadget>
<output>12</output>
<gadget id="calculator">24 - 12</gadget>
<output>12</output>
<gadget id="calculator">12 / 12</gadget>
<output>1</output>
<gadget id="calculator">12 * 1</gadget>
<output>12</output>
<gadget id="calculator">108 - 12</gadget>
<output>96</output>
<gadget id="calculator">40 - 8</gadget>
<output>32</output>
<gadget id="calculator">32 / 2</gadget>
<output>16</output>
<gadget id="calculator">96 + 8 + 16</gadget>
<output>120</output>
<gadget id="calculator">120 / 40</gadget>
<output>3</output>
<gadget id="calculator">3 * 10</gadget>
<output>30</output>
<result>30</result>


一个三位数除以6，商是123，余数最大是多少．

Divide a three-digit number by 6, the quotient is 123, what is the largest remainder?

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


亮亮的身高是1.25米，爸爸的身高是亮亮的1.4倍，爸爸比亮亮高多少米？

Liangliang's height is 1.25 meters, and his father's height is 1.4 times that of Liangliang. How many meters is his father taller than Liangliang?

<gadget id="calculator">1.25 * 1.4</gadget>
<output>1.75</output>
<gadget id="calculator">1.75 - 1.25</gadget>
<output>0.5</output>
<result>0.5</result>


某班全体同学参加计算机等级考试，其中(2/7)的学生取得优秀证书，其余25名同学都取得合格证书，问该班共有学生多少名？

All the students in a class take the computer grade test, among them (2/7) students get excellent certificates, and the remaining 25 students get qualified certificates, how many students are there in this class?

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">1 - (2/7)</gadget>
<output>5/7 = around 0.714286</output>
<gadget id="calculator">25 / (5/7)</gadget>
<output>35</output>
<result>35</result>


加工一批零件，甲先加工了(1/5)，乙又加工了(1/4)，如果再加工15个正好完成这批零件的一半，这批零件有多少个？

To process a batch of parts, A first processed (1/5), and B processed (1/4). If 15 more parts are processed, half of this batch of parts is completed, how many parts are there in this batch?

<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 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/2) - (1/5) - (1/4)</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">15 / (1/20)</gadget>
<output>300</output>
<result>300</result>


压路机的滚筒是一个圆柱，长1.8米，底面直径1.2米．滚筒滚动一周能压路面多少平方米？

The roller of the road roller is a cylinder with a length of 1.8 meters and a diameter of 1.2 meters at the bottom. How many square meters can the roller roll on the road for one week?

<gadget id="calculator">3.14 * 1.2 * 1.8</gadget>
<output>6.7824</output>
<result>6.7824</result>


一根电线长10米，第一次剪去全长的(1/5)，第二次剪去剩下的(1/8)．这根电线还剩下多少米？

A wire is 10 meters long, cut off the full length (1/5) for the first time, and cut off the rest (1/8) for the second time. How many meters is left on this wire?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">10 * (1/5)</gadget>
<output>2</output>
<gadget id="calculator">10 - 2</gadget>
<output>8</output>
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">8 * (1/8)</gadget>
<output>1</output>
<gadget id="calculator">10 - 2 - 1</gadget>
<output>7</output>
<result>7</result>


书店运来一批故事书，第一天卖了120本，第二天卖的本数是第一天卖的(3/4)，第一天和第二天卖的故事书正好是这批故事书的(5/6)，书店运来的这批故事书一共有多少本？

batch of story books were shipped from the bookstore, and 120 copies were sold on the first day, and the number sold on the second day was 3/4. The story books sold on the first day and the second day happened to be these stories For the book (5/6), how many story books are there in this batch of story books shipped by the bookstore?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">120 * (3/4)</gadget>
<output>90</output>
<gadget id="calculator">120 + 90</gadget>
<output>210</output>
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">210 / (5/6)</gadget>
<output>252</output>
<result>252</result>


一条路，已修的米数相当于未修米数的(2/3)，后来又修了500米，这时已修的米数和未修的米数的比是3：2，这条路全长多少米？

For a road, the number of meters that has been repaired is equivalent to (2/3) the number of meters that have not been repaired, and 500 meters have been repaired later. At this time, the ratio of the number of meters that have been repaired to the number of meters that have not been repaired is 3:2. How many meters is the total length?

<gadget id="calculator">2 + 3</gadget>
<output>5</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(3/5) - (2/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">500 / (1/5)</gadget>
<output>2_500</output>
<result>2_500</result>


一块三角形地的底是24米，高15米．这块地的面积是多少平方米？

A triangle has a base of 24 meters and a height of 15 meters. What is the area of the land in square meters?

<gadget id="calculator">15 / 2</gadget>
<output>15/2 = around 7.5</output>
<gadget id="calculator">24 * (15/2)</gadget>
<output>180</output>
<result>180</result>


光明小学去年有篮球24个，今年新买了6个，今年比去年增加了百分之几？

Guangming Primary School had 24 basketballs last year, and bought 6 new ones this year. What percentage is the increase this year compared to last year?

<gadget id="calculator">6 / 24</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


甲、乙两列火车同时从两地相对开出．甲车每小时行120千米，乙车每小时行150千米，经过5小时两车还相距48千米．两地间的铁路长多少千米？(先画图整理，再解答)

Two trains, A and B, depart opposite from each other at the same time. Car A travels 120 kilometers per hour, and car B travels 150 kilometers per hour. After 5 hours, the distance between the two cars is 48 kilometers. How many miles is the railway between the two places? (Draw pictures first, then answer)

<gadget id="calculator">120 * 5</gadget>
<output>600</output>
<gadget id="calculator">150 * 5</gadget>
<output>750</output>
<gadget id="calculator">48 + 600 + 750</gadget>
<output>1_398</output>
<result>1_398</result>


15枚图钉大约重10克，多少枚图钉大约重20克．

15 thumbtacks weigh about 10 grams, and how many thumbtacks weigh about 20 grams.

<gadget id="calculator">10 / 15</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">20 / (2/3)</gadget>
<output>30</output>
<result>30</result>


甲、乙、丙三人同时从同一个出发点出发，进行不间断匀速步行比赛，每分钟乙比甲少走12米，而比丙多走3米．当乙到达终点时，比甲晚到9分钟，而比丙早到3分钟．这次步行比赛全程是多少米？

A, B, and C start from the same starting point at the same time, and perform a non-stop walking competition at a constant speed. B walks 12 meters less than A and 3 meters longer than C every minute. When B reaches the finish line, he arrives 9 minutes later than A and 3 minutes earlier than C. How many meters is the whole distance of this walking race?

<gadget id="calculator">60 - 12</gadget>
<output>48</output>
<gadget id="calculator">60 * 9</gadget>
<output>540</output>
<gadget id="calculator">540 / 12</gadget>
<output>45</output>
<gadget id="calculator">48 * 45</gadget>
<output>2_160</output>
<result>2_160</result>


如果把25*30中的一个因数扩大到它的100倍，另一个因数缩小到它的(1/10)，积就扩大到它的多少倍

If one of the factors in 25*30 is enlarged to 100 times of it, and the other factor is reduced to (1/10), how many times is the product expanded to?

<gadget id="calculator">2_500 * 3</gadget>
<output>7_500</output>
<gadget id="calculator">25 * 30</gadget>
<output>750</output>
<gadget id="calculator">7_500 / 750</gadget>
<output>10</output>
<result>10</result>


五个数的平均数是30，若把其中一个数改为40，则平均数是35，这个改动的数是多少．

The average of five numbers is 30. If one of the numbers is changed to 40, the average is 35. What is the changed number?

<gadget id="calculator">35 * 5</gadget>
<output>175</output>
<gadget id="calculator">30 * 5</gadget>
<output>150</output>
<gadget id="calculator">175 - 150</gadget>
<output>25</output>
<gadget id="calculator">40 - 25</gadget>
<output>15</output>
<result>15</result>


校园里有松树20棵，杨树比松树多14棵，杨树和松树一共有多少棵．

There are 20 pine trees in the campus, and there are 14 more poplar trees than pine trees. How many poplar trees and pine trees are there altogether?

<gadget id="calculator">20 + 14 + 20</gadget>
<output>54</output>
<result>54</result>


一个足球场长90米，宽60米，沿着这个足球场的边线跑一周是多少米？

A football field is 90 meters long and 60 meters wide. How many meters is it to run along the sideline of the football field?

<gadget id="calculator">90 + 60</gadget>
<output>150</output>
<gadget id="calculator">150 * 2</gadget>
<output>300</output>
<result>300</result>


小明读一本书，第一天读了全书的(3/8)，第二天读了18页，这时已读的页数占总页数的(3/5)，这本书共有多少页？

Xiao Ming reads a book. He reads (3/8) of the whole book on the first day and 18 pages on the second day. At this time, the number of pages he has read accounts for (3/5) of the total number of pages. How many pages are there in this book? Page?

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">(3/5) - (3/8)</gadget>
<output>9/40 = around 0.225</output>
<gadget id="calculator">18 / (9/40)</gadget>
<output>80</output>
<result>80</result>


已知∠1和∠2是直角三角形中的两个锐角，∠1=58°，∠2=多少°．

It is known that ∠1 and ∠2 are two acute angles in a right triangle, ∠1=58°, ∠2=how many degrees.

<gadget id="calculator">180 - 90 - 58</gadget>
<output>32</output>
<result>32</result>


一个圆柱沿着底面直径纵切成相等的两部分后，表面积比原来增加80平方厘米．圆柱侧面积是多少平方厘米？

After a cylinder is cut longitudinally into two equal parts along the diameter of the base, the surface area increases by 80 square centimeters. What is the area of the cylinder in square centimeters?

<gadget id="calculator">80 / 2</gadget>
<output>40</output>
<gadget id="calculator">3.14 * 40</gadget>
<output>125.6</output>
<result>125.6</result>


<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">(5/8) / 35</gadget>
<output>1/56 = around 0.017857</output>
<gadget id="calculator">40 * (1/56)</gadget>
<output>5/7 = around 0.714286</output>
<result>5/7 = around 0.714286</result>


三年级开展中队活动．把138名同学平均分成3个中队，每个中队平均分成2组．每组多少人？

The third grade carries out squadron activities. The 138 students were divided into 3 squadrons on average, and each squadron was divided into 2 groups on average. How many people are in each group?

<gadget id="calculator">2 * 3</gadget>
<output>6</output>
<gadget id="calculator">138 / 6</gadget>
<output>23</output>
<result>23</result>


一个长方形操场，长65米，宽38米．小华沿操场的边跑了4圈，他跑了多少米？

A rectangular playground is 65 meters long and 38 meters wide. Xiaohua ran 4 laps along the side of the playground. How many meters did he run?

<gadget id="calculator">65 + 38</gadget>
<output>103</output>
<gadget id="calculator">103 * 2 * 4</gadget>
<output>824</output>
<result>824</result>


有一块长方形铁皮，长32厘米，宽24厘米．要把它剪成同样大小的正方形且没有剩余，剪成的正方形的边长最长是多少厘米？

There is a rectangular iron sheet, 32 cm long and 24 cm wide. To cut it into a square of the same size without residue, what is the longest side length of the cut square?

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


某电视机厂今年电视机的产量比去年减少二成五，今年生产电视机48万台，去年生产电视机多少万台？

A certain TV factory produced 25% less TVs this year than last year. This year it produced 480,000 TVs. How many million TVs did it produce last year?

<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">48 / (3/4)</gadget>
<output>64</output>
<result>64</result>


游泳池上装有一个进水管，一个出水管，单开进水管30分钟可将空池注满，单开出水管45分钟可将满水池放完，如果两管同时打开多少分钟能将空池注满？

There is one water inlet pipe and one water outlet pipe on the swimming pool. The empty pool can be filled in 30 minutes by opening the water inlet pipe alone, and the full pool can be filled in 45 minutes by opening the water outlet pipe alone. If the two pipes are opened at the same time, how many minutes can the empty pool be filled ?

<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">1 / 45</gadget>
<output>1/45 = around 0.022222</output>
<gadget id="calculator">(1/30) - (1/45)</gadget>
<output>1/90 = around 0.011111</output>
<gadget id="calculator">1 / (1/90)</gadget>
<output>90</output>
<result>90</result>


一个数的9倍是7209，这个数是多少？

times a number is 7209, what is this number?

<gadget id="calculator">7_209 / 9</gadget>
<output>801</output>
<result>801</result>


一个数扩大100倍后是5，原来这个数是多少．

If a number is enlarged 100 times, it becomes 5. What is the original number?

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<result>1/20 = around 0.05</result>


一个直径8厘米的半圆形的周长是多少．

What is the perimeter of a semicircle with a diameter of 8 cm?

<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>
<gadget id="calculator">12.56 + 8</gadget>
<output>20.56</output>
<result>20.56</result>


甲、乙两车同时从A、B两地相向而行，当甲到达B地时，乙车距A地10千米，当乙车到达A地时，甲车超过B地20千米，A、B两地相距多少千米？

Cars A and B are traveling towards each other from A and B at the same time. When A arrives at B, B is 10 kilometers away from A. When B arrives at A, A is 20 kilometers ahead of B. , How many kilometers is the distance between the two places?

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


小麦的出粉率是85%，要磨出1700千克面粉要多少千克小麦．

The flour extraction rate of wheat is 85%, how many kilograms of wheat are needed to grind 1700 kilograms of flour.

<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>
<gadget id="calculator">1_700 / (17/20)</gadget>
<output>2_000</output>
<result>2_000</result>


一只大钟，分钟长60厘米，2个小时后，分针的尖端走了多少厘米？

In a large clock, the minute length is 60 cm. After 2 hours, how many centimeters does the tip of the minute hand travel?

<gadget id="calculator">3.14 * 60 * 2 * 2</gadget>
<output>753.6</output>
<result>753.6</result>


客船从甲港开往乙港，货船从乙港开往甲港两船是从两地相向开出，10小时相遇相遇后又继续行驶3小时，这时客船离乙港还有280千米，货船离甲港还有420千米，甲、乙两港相距多少千米？

The passenger ship sails from port A to port B, and the cargo ship sails from port B to port A. The two ships depart from opposite directions. They meet in 10 hours and continue to drive for 3 hours. At this time, the passenger ship is still 280 kilometers away from port B. The cargo ship is still 420 kilometers away from port A. How many kilometers is the distance between ports A and B?

<gadget id="calculator">420 + 280</gadget>
<output>700</output>
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">(1/10) * 3</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">700 / (7/10)</gadget>
<output>1_000</output>
<result>1_000</result>


某小剧场有80个座位，每张票20元，已经售出55张票，共收款多少元？

A small theater has 80 seats, and each ticket is 20 yuan. 55 tickets have been sold. How much is the total payment?

<gadget id="calculator">20 * 55</gadget>
<output>1_100</output>
<result>1_100</result>


把25.5%化成分数是多少．

<gadget id="calculator">25.5 / 100</gadget>
<output>0.255</output>
<result>0.255</result>


甲、乙两辆客车同时从相距220千米的两地相向而行，经过2小时相遇，已知甲、乙两辆客车的速度比是2：3，问甲车行完全程需要多少时间？

Two passenger cars A and B are traveling towards each other at the same time from two places 220 kilometers apart. After 2 hours of meeting, the speed ratio of the two passenger cars A and B is known to be 2:3. How long will it take for A to complete the journey?

<gadget id="calculator">220 / 2</gadget>
<output>110</output>
<gadget id="calculator">2 + 3</gadget>
<output>5</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">110 * (2/5)</gadget>
<output>44</output>
<gadget id="calculator">220 / 44</gadget>
<output>5</output>
<result>5</result>


甲、乙两车同时从A、B两地相对开出，甲车每小时行92千米，乙车每小时行108千米，两车在离中点48千米的地方相遇．A、B两地之间相距多少千米？

Cars A and B leave opposite places at the same time from places A and B. Car A travels 92 kilometers per hour, and car B travels 108 kilometers per hour. The two cars meet at a distance of 48 kilometers from the midpoint. How many miles is the distance between A and B?

<gadget id="calculator">92 + 108</gadget>
<output>200</output>
<gadget id="calculator">48 * 2</gadget>
<output>96</output>
<gadget id="calculator">108 - 92</gadget>
<output>16</output>
<gadget id="calculator">96 / 16</gadget>
<output>6</output>
<gadget id="calculator">200 * 6</gadget>
<output>1_200</output>
<result>1_200</result>


有一个数列：4、7、10、13、…、25，这个数列共有多少项？

There is a sequence: 4, 7, 10, 13, ..., 25, how many items are there in this sequence?

<gadget id="calculator">25 - 4</gadget>
<output>21</output>
<gadget id="calculator">7 - 4</gadget>
<output>3</output>
<gadget id="calculator">21 / 3</gadget>
<output>7</output>
<gadget id="calculator">7 + 1</gadget>
<output>8</output>
<result>8</result>


54和24的最小公倍数是多少．

What is the least common multiple of 54 and 24?

<gadget id="calculator">2 * 2 * 2 * 3 * 3 * 3</gadget>
<output>216</output>
<result>216</result>


你同时掷两个普通的骰子(正方体6个面上分别标有数字1、2、3、4、5、6)，一个是红的，一个是蓝的．红骰子显示的数值乘以10，蓝骰子显示的数值乘以5，再将这两个得数相加得到你的最终结果．可能有多少不同的结果．

You roll two ordinary dice (the numbers 1, 2, 3, 4, 5, and 6 are marked on the six faces of the cube) at the same time, one is red and the other is blue. Multiply the value displayed by the red dice by 10, multiply the value displayed by the blue dice by 5, and add the two numbers together to get your final result. How many different outcomes are possible.

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


姐妹两人同时从相距630米的两地相向而行，妹妹每分钟走60米，姐姐每分钟走80米，经过多少分钟姐妹两人在途中相遇？

Two sisters walk toward each other from two places 630 meters apart at the same time. The younger sister walks 60 meters per minute, and the older sister walks 80 meters per minute. How many minutes does it take for the two sisters to meet on the way?

<gadget id="calculator">60 + 80</gadget>
<output>140</output>
<gadget id="calculator">630 / 140</gadget>
<output>9/2 = around 4.5</output>
<result>9/2 = around 4.5</result>


水果店运来一批苹果，第一天卖了总数的30%，第二天卖的相当于第一天销量的120%，比第一天多卖了48千克，水果店这批共运进多少千克水果．

The fruit store shipped a batch of apples, sold 30% of the total on the first day, and sold 120% of the sales volume on the second day, which was 48 kg more than the first day. How many kilograms of fruit.

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">120 / 100</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">(3/10) * (6/5)</gadget>
<output>9/25 = around 0.36</output>
<gadget id="calculator">(9/25) - (3/10)</gadget>
<output>3/50 = around 0.06</output>
<gadget id="calculator">48 / (3/50)</gadget>
<output>800</output>
<result>800</result>


AB两数的比是4：3，A数是20，AB两数的和是多少．

The ratio of the two numbers AB is 4:3, the number A is 20, what is the sum of the two numbers AB.

<gadget id="calculator">3 * 20</gadget>
<output>60</output>
<gadget id="calculator">60 / 4</gadget>
<output>15</output>
<gadget id="calculator">20 + 15</gadget>
<output>35</output>
<result>35</result>


谢老师为学校机房买窗帘．第一次买了12米，第二次买了同样的布8米，第二次比第一次少用了13.6元．每米布多少元？

Teacher Xie bought curtains for the school computer room. I bought 12 meters for the first time, and bought 8 meters of the same cloth for the second time. The second time cost 13.6 yuan less than the first time. How much is it per meter cloth?

<gadget id="calculator">12 - 8</gadget>
<output>4</output>
<gadget id="calculator">13.6 / 4</gadget>
<output>3.4</output>
<result>3.4</result>


<gadget id="calculator">1.2 + 2.3 + 3.4 + 4.5 + 5.6</gadget>
<output>17</output>
<gadget id="calculator">12 + 23 + 34 + 45 + 56</gadget>
<output>170</output>
<gadget id="calculator">17 / 170</gadget>
<output>1/10 = around 0.1</output>
<result>1/10 = around 0.1</result>


公园的人工湖里有28只黑天鹅，白天鹅的只数比黑天鹅的3倍还多9只，白天鹅有多少只？

There are 28 black swans in the artificial lake in the park, and the number of white swans is 9 more than three times that of black swans. How many white swans are there?

<gadget id="calculator">28 * 3</gadget>
<output>84</output>
<gadget id="calculator">84 + 9</gadget>
<output>93</output>
<result>93</result>


在调整水费的听证会上，一位代表提出以下方案："每月用水在5吨以下(包含5吨)，按每吨1.2元收费；用水超出5吨，但不超出15吨(包含15吨)的部分，按每吨3元收费；用水超出15吨(不含15吨)的部分，按每吨5元收费．"小明按此方案计算了一下他家上月水费，正好平均每吨交水费2元．请你算一算，小明家上月用水多少吨？

At the hearing to adjust the water fee, a representative proposed the following plan: "If the water is less than 5 tons (including 5 tons) per month, it will be charged at 1.2 yuan per ton; if the water is more than 5 tons, but not exceeding 15 tons (including 15 tons) will be charged at 3 yuan per ton; for water exceeding 15 tons (excluding 15 tons), it will be charged at 5 yuan per ton.” Xiao Ming calculated his family’s water bill last month according to this plan, and it happened that the average The water fee is 2 yuan per ton. Please do the math, how many tons did Xiao Ming's family use last month?

<gadget id="calculator">3 * 5</gadget>
<output>15</output>
<gadget id="calculator">5 * 1.2</gadget>
<output>6</output>
<gadget id="calculator">15 - 6</gadget>
<output>9</output>
<gadget id="calculator">3 - 2</gadget>
<output>1</output>
<gadget id="calculator">9 / 1</gadget>
<output>9</output>
<result>9</result>


一根木棒锯成3段需要3分钟，锯成5段需要多少分钟．

If it takes 3 minutes to saw a stick into 3 pieces, how many minutes will it take to saw it into 5 pieces?

<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">5 - 1</gadget>
<output>4</output>
<gadget id="calculator">(3/2) * 4</gadget>
<output>6</output>
<result>6</result>


一个正方形与一个梯形面积相等，已知正方形的边长是2.6cm，梯形的上底是2cm，下底是3.2cm，梯形的高是多少厘米？

A square has the same area as a trapezoid. It is known that the side length of the square is 2.6 cm, the upper base of the trapezoid is 2 cm, and the lower base is 3.2 cm. What is the height of the trapezoid in cm?

<gadget id="calculator">2 + 3.2</gadget>
<output>5.2</output>
<gadget id="calculator">2 / 5.2</gadget>
<output>0.384615</output>
<gadget id="calculator">2.6 * 2.6 * 0.384615</gadget>
<output>2.599997</output>
<result>2.599997</result>


学校大厅里有2根长方体的柱子，柱子的底面边长50cm的正方形，高3.5m，现要把柱子贴上瓷砖，贴瓷砖的面积共是多少平方米？

There are 2 cuboid pillars in the school hall. The bottom surface of the pillars is a square with a side length of 50cm and a height of 3.5m. Now the pillars are to be covered with tiles. How many square meters is the total area of the tiles?

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">3.5 * (1/2) * 4 * 2</gadget>
<output>14</output>
<result>14</result>


用150粒种子做发芽试验，结果有15粒没有发芽，发芽率是多少．

150 seeds were used for a germination test. As a result, 15 seeds did not germinate. What is the germination rate?

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


一批化肥第一天运走(1/5)，第二天运走80吨，还剩40%没有运，这批化肥共有多少吨？

batch of chemical fertilizers is transported away on the first day (1/5), and 80 tons are transported on the second day, leaving 40% unshipped. How many tons of this batch of chemical fertilizers are in total?

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 - (1/5) - (2/5)</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">80 / (2/5)</gadget>
<output>200</output>
<result>200</result>


被减数、减数差的和是120，差是减数的一半，被减数是差的多少倍．

The sum of the difference between the minuend and the subtrahend is 120, the difference is half of the subtrahend, and how many times the difference is the minuend.

<gadget id="calculator">120 / 2</gadget>
<output>60</output>
<gadget id="calculator">1 + 2</gadget>
<output>3</output>
<gadget id="calculator">60 / 3</gadget>
<output>20</output>
<gadget id="calculator">60 / 20</gadget>
<output>3</output>
<result>3</result>


一面大钟3时敲3下，4秒钟敲完．10时敲10下，多少秒钟敲完．

A big clock strikes 3 times at 3 o'clock, and it takes 4 seconds to finish. Knock 10 times at 10 o'clock, how many seconds to finish knocking.

<gadget id="calculator">10 - 1</gadget>
<output>9</output>
<gadget id="calculator">3 - 1</gadget>
<output>2</output>
<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">9 * 2</gadget>
<output>18</output>
<result>18</result>


小明家和小刚家相距1400米．一天，两人约定在两家之间的路上会合．小明每分走60米，小刚每分走80米，两人同时从家出发，多长时间后能相遇？

The distance between Xiao Ming's house and Xiao Gang's house is 1400 meters. One day, the two agreed to meet on the road between the two families. Xiao Ming walks 60 meters per minute, and Xiao Gang walks 80 meters per minute. The two start from home at the same time. How long will it be before they meet?

<gadget id="calculator">60 + 80</gadget>
<output>140</output>
<gadget id="calculator">1_400 / 140</gadget>
<output>10</output>
<result>10</result>


一本童话书15.5元，一本故事书12.8元，小明买这两本书，一共用了多少元？

A fairy tale book is 15.5 yuan, and a story book is 12.8 yuan. How much did Xiao Ming spend in buying these two books?

<gadget id="calculator">15.5 + 12.8</gadget>
<output>28.3</output>
<result>28.3</result>


王老伯的苹果园今年大丰收，产量达54吨，比去年增产两成．今年比去年增产多少吨？

Uncle Wang's apple orchard has had a bumper harvest this year, with an output of 54 tons, an increase of 20% over last year. How many tons is the increase in production this year compared to last year?

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">54 / (6/5)</gadget>
<output>45</output>
<gadget id="calculator">54 - 45</gadget>
<output>9</output>
<result>9</result>


一个半圆形花坛直径8米，现在用篱笆将它围起来，至少需要多少米的篱笆？

A semicircular flower bed has a diameter of 8 meters. Now it is surrounded by a fence. How many meters of fence is needed at least?

<gadget id="calculator">8 / 2</gadget>
<output>4</output>
<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>
<gadget id="calculator">12.56 + 8</gadget>
<output>20.56</output>
<result>20.56</result>


已知一个等腰三角形的底角是35度，这个等腰三角形的顶角是多少度？

Given that the base angle of an isosceles triangle is 35 degrees, what is the apex angle of this isosceles triangle?

<gadget id="calculator">35 * 2</gadget>
<output>70</output>
<gadget id="calculator">180 - 70</gadget>
<output>110</output>
<result>110</result>


饲养小组养鸡45只，比鸭的5倍少25只，养鸭多少只？

The breeding group raises 45 chickens, which is 25 times less than the number of ducks. How many ducks are raised?

<gadget id="calculator">45 + 25</gadget>
<output>70</output>
<gadget id="calculator">70 / 5</gadget>
<output>14</output>
<result>14</result>


9.2扩大到原来的10倍与9200缩小到原来的多少结果相等．

9.2 The result of expanding to 10 times of the original is equal to the result of shrinking the 9200 to the original.

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


在比例尺是1：500的设计图上，量的一个圆形花坛的直径是1.2厘米，这个圆形花坛的实际面积是多少平方米．

On the design drawing with a scale of 1:500, the diameter of a circular flower bed measured is 1.2 cm. What is the actual area of this circular flower bed in square meters?

<gadget id="calculator">1 / 500</gadget>
<output>1/500 = around 0.002</output>
<gadget id="calculator">1.2 / (1/500) / 100 / 2</gadget>
<output>3</output>
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>
<gadget id="calculator">3.14 * 9</gadget>
<output>28.26</output>
<result>28.26</result>


李师傅加工一批零件，已经加工了全部零件的(1/3)还多18个，余下没有加工的零件比已加工的还多48个，则这批零件共有多少个？

Master Li processes a batch of parts, and there are 18 more parts (1/3) that have been processed, and 48 more parts that have not been processed. How many parts are there in this batch?

<gadget id="calculator">18 + 18 + 48</gadget>
<output>84</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 - (1/3) - (1/3)</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">84 / (1/3)</gadget>
<output>252</output>
<result>252</result>


一台笔记本电脑的价钱是33200元，比一台台式电脑价钱的3倍还多500元．一台台式电脑的价格是多少元？

The price of a laptop computer is 33,200 yuan, which is 500 yuan more than three times the price of a desktop computer. How much does a desktop computer cost?

<gadget id="calculator">33_200 - 500</gadget>
<output>32_700</output>
<gadget id="calculator">32_700 / 3</gadget>
<output>10_900</output>
<result>10_900</result>


在一列数2、2、4、8、2、…中，从第3个数开始，每个数都是它前面两个数的乘积的个位数字．按这个规律，这列数中的第2004个数是多少．

In a series of numbers 2, 2, 4, 8, 2, ..., starting from the third number, each number is the unit digit of the product of the two numbers before it. According to this rule, what is the 2004th number in this column of numbers?


一个圆柱体，它的高增加3厘米，侧面积就增加18.84平方厘米，这个圆柱体的底面积是多少．

If the height of a cylinder increases by 3 centimeters, the side area increases by 18.84 square centimeters. What is the area of the base of the cylinder?

<gadget id="calculator">18.84 / 3 / 3.14 / 2</gadget>
<output>1</output>
<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">3.14 * 1</gadget>
<output>3.14</output>
<result>3.14</result>


一个两位数，个位上的数是十位上的数的4倍，如果把十位上的数和个位上的数对调，那么所得的两位数比原两位数大54．求原来的两位数．

For a two-digit number, the number in the ones place is 4 times the number in the tens place. If the number in the tens place and the number in the ones place are reversed, the resulting two-digit number is 54 times larger than the original two-digit number. Find the original two-digit number.


一个圆锥形沙堆，底面积是62.8平方米，高3米．用这堆沙在10米宽的公路上铺0.04米厚的路面，可以铺多少米长？

A conical sand pile with a bottom area of 62.8 square meters and a height of 3 meters. Use this pile of sand to pave a road with a thickness of 0.04 meters on a road with a width of 10 meters. How many meters can be paved?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">10 * 0.04</gadget>
<output>0.4</output>
<gadget id="calculator">3 / 0.4</gadget>
<output>7.5</output>
<gadget id="calculator">(1/3) * 62.8 * 7.5</gadget>
<output>157</output>
<result>157</result>


小明在计算除法时，把除数24写成了42，结果得到的商是2还余12，正确的商应是多少．

When Xiao Ming calculated the division, he wrote the divisor 24 as 42. The resulting quotient was 2 with a remainder of 12. What should be the correct quotient?

<gadget id="calculator">42 * 2</gadget>
<output>84</output>
<gadget id="calculator">84 + 12</gadget>
<output>96</output>
<gadget id="calculator">96 / 24</gadget>
<output>4</output>
<result>4</result>


有一个正方体棱长9厘米，如果把这个正方体切成棱长3厘米的小正方体，则这些小正方体的表面积的和是多少？

There is a cube with a side length of 9 cm. If this cube is cut into smaller cubes with side lengths of 3 cm, what is the sum of the surface areas of these smaller cubes?

<gadget id="calculator">9 / 3</gadget>
<output>3</output>
<gadget id="calculator">3 * 3 * 6 * 3 * 3 * 3</gadget>
<output>1_458</output>
<result>1_458</result>


园丁叔叔用105盆月季花在人民公园的广场中间摆成了一个梯形，最顶层有10盆月季花，最底层有25盆，这些月季花一共摆了多少层？

The gardener uncle used 105 pots of roses to form a trapezoid in the middle of the square in the People's Park. There are 10 pots of roses on the top floor and 25 pots on the bottom. How many layers are these roses placed in total?

<gadget id="calculator">10 + 25</gadget>
<output>35</output>
<gadget id="calculator">2 / 35</gadget>
<output>2/35 = around 0.057143</output>
<gadget id="calculator">105 * (2/35)</gadget>
<output>6</output>
<result>6</result>


小雨在超市用若干元买了某种品牌的饮料28盒．过一段时间再去超市，发现这种饮料进行降价销售，每盒让利0.6元，他用同样的钱比上次多买3盒，求这种饮料降价前每盒多少元？

Xiao Yu bought 28 boxes of a certain brand of beverage for several yuan in the supermarket. After a period of time, he went to the supermarket again and found that the price of this drink was reduced, with a profit of 0.6 yuan per box. He used the same money to buy 3 more boxes than last time. How much is the price of this drink before the price reduction?

<gadget id="calculator">0.6 * 28</gadget>
<output>16.8</output>
<gadget id="calculator">0.6 * 3</gadget>
<output>1.8</output>
<gadget id="calculator">16.8 + 1.8</gadget>
<output>18.6</output>
<gadget id="calculator">3 - 28</gadget>
<output>-25</output>
<gadget id="calculator">28 + (-25)</gadget>
<output>3</output>
<gadget id="calculator">18.6 / 3</gadget>
<output>6.2</output>
<result>6.2</result>


一个圆柱形水桶，桶内部直径为4分米，桶深5分米．现将47.1升水倒进桶里，水占水桶容积的多少

A cylindrical bucket has an internal diameter of 4 decimeters and a depth of 5 decimeters. Now pour 47.1 liters of water into the bucket, how much water occupies the volume of the bucket

<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">3.14 * 4 * 5</gadget>
<output>62.8</output>
<gadget id="calculator">47.1 / 62.8</gadget>
<output>0.75</output>
<result>0.75</result>


在一道减法算式中，被减数、减数与差的和是40，被减数是多少．

In a subtraction formula, the sum of the minuend, the subtrahend and the difference is 40, what is the minuend.

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


小明的两个口袋中各有6张卡片，每张卡片上分别写着1，2，3，…，6．从这两个口袋中各拿出一张卡片来计算上面所写两数的乘积，那么，其中能被6整除的不同乘积有多少个．

There are 6 cards in each of Xiao Ming's two pockets, and each card is written with 1, 2, 3, ..., 6. Take out a card from each of these two pockets to calculate the product of the two numbers written on it. Then, how many different products are there that are divisible by 6?

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


某开发商请了两个装修队为旗下的楼盘所有房间装修．甲队单独做完要150天，乙队单独完成要180天；现在两队合作，甲队做5天休息2天，乙队做6天休息1天，问甲、乙两队合作几天可以完成？

A developer invited two decoration teams to decorate all the rooms of its real estate. It takes 150 days for team A to complete the work alone, and 180 days for team B to complete it alone; now the two teams cooperate, team A works for 5 days and rests for 2 days, and team B works for 6 days and rests for 1 day. How many days can team A and B cooperate? Finish?

<gadget id="calculator">1 / 150</gadget>
<output>1/150 = around 0.006667</output>
<gadget id="calculator">(1/150) * 5</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">1 / 180</gadget>
<output>1/180 = around 0.005556</output>
<gadget id="calculator">(1/180) * 6</gadget>
<output>1/30 = around 0.033333</output>
<gadget id="calculator">(1/30) + (1/30)</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">1 / (1/15)</gadget>
<output>15</output>
<gadget id="calculator">15 * 5</gadget>
<output>75</output>
<gadget id="calculator">2 * 15</gadget>
<output>30</output>
<gadget id="calculator">75 + 30</gadget>
<output>105</output>
<result>105</result>


优优和小奥绕环形操场跑步，已知环形跑道一圈长400米，优优的速度为4米/秒，小奥的速度为6米/秒，两人站在同一起跑线上同向而跑，优优先跑了10秒．小奥第二次追上优优经过了多长时间？

Youyou and Xiaoao run around the circular playground. It is known that the length of the circular track is 400 meters. You first ran for 10 seconds. How long did it take for Xiao Ao to catch up with Youyou for the second time?

<gadget id="calculator">6 - 4</gadget>
<output>2</output>
<gadget id="calculator">2 / 2</gadget>
<output>1</output>
<gadget id="calculator">400 * 1</gadget>
<output>400</output>
<result>400</result>


把一根木头，锯成9段，锯下一段占总次数的((())/(()))．

Saw a piece of wood into 9 sections, and the next section accounts for ((())/(())) of the total number of times.

<gadget id="calculator">9 - 1</gadget>
<output>8</output>
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<result>1/8 = around 0.125</result>


一种眼镜，按每副80元出售，每副可盈利25%；后来因销售不理想，开始每副打九折出售．照这样计算，现在每副眼镜可盈利多少元？

A kind of glasses is sold at 80 yuan per pair, and each pair can make a profit of 25%. Later, due to unsatisfactory sales, each pair began to be sold at a 10% discount. According to this calculation, how much profit can each pair of glasses make now?

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">80 * (9/10)</gadget>
<output>72</output>
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">80 / (5/4)</gadget>
<output>64</output>
<gadget id="calculator">72 - 64</gadget>
<output>8</output>
<result>8</result>


杭州到黄山相距240千米．一列火车的速度是120千米/时，一辆汽车的速度是80千米/时．如果火车和汽车同时从杭州出发，那么火车比汽车到达黄山的时间早多少小时．

The distance from Hangzhou to Huangshan is 240 kilometers. The speed of a train is 120 km/h and the speed of a car is 80 km/h. If the train and the bus depart from Hangzhou at the same time, how many hours will the train arrive at Huangshan earlier than the bus?

<gadget id="calculator">240 / 80</gadget>
<output>3</output>
<gadget id="calculator">240 / 120</gadget>
<output>2</output>
<gadget id="calculator">3 - 2</gadget>
<output>1</output>
<result>1</result>


<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">1 / (2/3)</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">(2/3) / 1</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(3/2) - (2/3)</gadget>
<output>5/6 = around 0.833333</output>
<result>5/6 = around 0.833333</result>


在一个正方形里画一个最大的圆，圆的面积占所在正方形面积的多少．(π取值3.14)

Draw the largest circle in a square, what is the area of the circle in the area of the square. (π takes a value of 3.14)

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>
<gadget id="calculator">2 ** 2</gadget>
<output>4</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">3.14 * (1/4)</gadget>
<output>0.785</output>
<result>0.785</result>


把一个边长是4厘米的正方形分成四个同样大小的正方形，每个小正方形的周长是多少厘米．(试着画一画再算一算更清楚)

If a square with side length 4 cm is divided into four squares of the same size, what is the perimeter of each small square in cm? (Try to draw a picture and calculate it more clearly)

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


若五个连续偶数的和是320，这五个偶数中最小的一个是多少．

If the sum of five consecutive even numbers is 320, what is the smallest of the five even numbers?


38与22的差是它们的和的几分之几？

What fraction is the difference between 38 and 22 as their sum?

<gadget id="calculator">38 - 22</gadget>
<output>16</output>
<gadget id="calculator">38 + 22</gadget>
<output>60</output>
<gadget id="calculator">16 / 60</gadget>
<output>4/15 = around 0.266667</output>
<result>4/15 = around 0.266667</result>


光明小学举行迎六一书画比赛，参加比赛的女生比男生多15人．比赛结果是：男生全部获奖，女生有75%的人获奖，男、女生获奖人数相等．参加比赛的男生有多少人？

Guangming Primary School held a calligraphy and painting competition to welcome June 1st. The number of girls participating in the competition was 15 more than that of boys. The result of the competition is: all boys will win prizes, 75% of girls will win prizes, and the number of boys and girls will be equal. How many boys are there in the competition?

<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">15 / (1/4)</gadget>
<output>60</output>
<gadget id="calculator">60 - 15</gadget>
<output>45</output>
<result>45</result>


一个养猪专业用户去年养猪800头，今年比去年少养了(1/8)，今年比去年少养了几头？

A professional user of pig raising raised 800 pigs last year, but this year they raised less (1/8) than last year. How many fewer pigs were raised this year than last year?

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">800 * (1/8)</gadget>
<output>100</output>
<result>100</result>


一根钢丝长45.3米，比另一根长0.7米，两根钢丝共长多少米？

One steel wire is 45.3 meters long and the other is 0.7 meters longer. What is the total length of the two steel wires?

<gadget id="calculator">45.3 - 0.7</gadget>
<output>44.6</output>
<gadget id="calculator">44.6 + 45.3</gadget>
<output>89.9</output>
<result>89.9</result>


我校三年级学生参加区运动会武术操比赛的有96人，比五年级参赛人数的3倍少3人．五年级参加比赛的有多少人？

There are 96 third-grade students in our school participating in the martial arts competition in the district sports meeting, which is 3 times less than the number of participants in the fifth grade. How many people in the fifth grade participated in the competition?

<gadget id="calculator">96 + 3</gadget>
<output>99</output>
<gadget id="calculator">99 / 3</gadget>
<output>33</output>
<result>33</result>


红光村要修建一个长方体蓄水池，计划能蓄水2016吨，已知水池的长是28米，宽是12米，深至少是多少米？(1立方米的水约重1吨)(用方程解)

Hongguang Village is going to build a cuboid water storage pond, which is planned to store 2016 tons of water. It is known that the length of the pond is 28 meters, the width is 12 meters, and how many meters is the depth at least? (1 cubic meter of water weighs about 1 ton) (use the equation to solve)

<gadget id="calculator">28 * 12</gadget>
<output>336</output>
<gadget id="calculator">2_016 / 1 / 336</gadget>
<output>6</output>
<result>6</result>


把一个圆平均分成若干等份后，再拼成一个近似的长方形，如果这个长方形的宽是6cm，那么长方形的长是多少cm．

Divide a circle into several equal parts and assemble it into an approximate rectangle. If the width of this rectangle is 6cm, what is the length of the rectangle in cm?

<gadget id="calculator">6 * 3.14</gadget>
<output>18.84</output>
<result>18.84</result>


甲、乙两地相距720千米，一列货车由甲地开往乙地要行20小时，一列客车由乙地开往甲地需要行驶16小时，如果两列火车同时从两地相对开出，经过几小时可以相遇？

The distance between A and B is 720 kilometers. It takes 20 hours for a freight train to travel from A to B, and 16 hours for a passenger train to travel from B to A. If two trains leave opposite to each other at the same time, How many hours can we meet?

<gadget id="calculator">720 / 20</gadget>
<output>36</output>
<gadget id="calculator">720 / 16</gadget>
<output>45</output>
<gadget id="calculator">36 + 45</gadget>
<output>81</output>
<gadget id="calculator">720 / 81</gadget>
<output>80/9 = around 8.888889</output>
<result>80/9 = around 8.888889</result>


一列火车有8节车厢，每节车厢有118个座位，这列火车一共有多少个座位？

A train has 8 carriages, and each carriage has 118 seats. How many seats are there in this train?

<gadget id="calculator">118 * 8</gadget>
<output>944</output>
<result>944</result>


AB两地相距205千米，小王开汽车从A地出发，计划5小时到B地．他前一半时间每小时行36千米，为了按时到达B地，后一半时间必须每小时行多少千米？

The distance between A and B is 205 kilometers. Xiao Wang starts from A by car and plans to arrive at B in 5 hours. He travels 36 kilometers per hour in the first half of the time, how many kilometers per hour must he travel in the second half of the time in order to reach point B on time?

<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">36 * (5/2)</gadget>
<output>90</output>
<gadget id="calculator">205 - 90</gadget>
<output>115</output>
<gadget id="calculator">115 / (5/2)</gadget>
<output>46</output>
<result>46</result>


张伟家的挂钟时针长5厘米，从中午12：00到21：00，这根时针扫过的面积是多少平方厘米？

The hour hand of Zhang Wei’s wall clock is 5 centimeters long. From 12:00 noon to 21:00, how many square centimeters does the hour hand sweep?

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">21 - 12</gadget>
<output>9</output>
<gadget id="calculator">9 / 12</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">3.14 * 25 * (3/4)</gadget>
<output>58.875</output>
<result>58.875</result>


5.07/0.5, when the quotient is 10.1, what is the remainder?

<gadget id="calculator">10.1 * 0.5</gadget>
<output>5.05</output>
<gadget id="calculator">5.07 - 5.05</gadget>
<output>0.02</output>
<result>0.02</result>


小虎每一本《昆虫王国的奥秘》，他付给营业员10元，找回2.45元．这本书多少钱？

Xiaohu paid the salesperson 10 yuan for each copy of "Mystery of the Insect Kingdom", and got back 2.45 yuan. How much is this book?

<gadget id="calculator">10 - 2.45</gadget>
<output>7.55</output>
<result>7.55</result>


在比例尺为1：8000000的地图上，广州-鹰潭距离为8cm．实际距离为多少千米．

On the map with a scale of 1:8000000, the distance between Guangzhou and Yingtan is 8cm. What is the actual distance in kilometers.

<gadget id="calculator">1 / 8_000_000</gadget>
<output>1/8_000_000 = around 0</output>
<gadget id="calculator">8 / (1/8_000_000) / 100_000</gadget>
<output>640</output>
<result>640</result>


红光厂计划每天生产电冰箱40台，经过技术革新后，每天比原计划多生产5台，这样提前2天完成了这批生产任务，并且比原计划还多生产了35台．实际生产了多少台电冰箱？

Hongguang Factory planned to produce 40 refrigerators per day. After technological innovation, it produced 5 more refrigerators per day than the original plan. In this way, the production task was completed 2 days ahead of schedule, and 35 more refrigerators were produced than the original plan. How many refrigerators were actually produced?

<gadget id="calculator">40 * 2</gadget>
<output>80</output>
<gadget id="calculator">5 * 2</gadget>
<output>10</output>
<gadget id="calculator">80 + 10 + 35</gadget>
<output>125</output>
<gadget id="calculator">5 - 40</gadget>
<output>-35</output>
<gadget id="calculator">40 + (-35)</gadget>
<output>5</output>
<gadget id="calculator">125 / 5</gadget>
<output>25</output>
<gadget id="calculator">40 * 25</gadget>
<output>1_000</output>
<gadget id="calculator">1_000 + 35</gadget>
<output>1_035</output>
<result>1_035</result>


一对无盖的玻璃鱼缸，长7分米，宽和高都是5分米，制造这对鱼缸至少需要鱼缸多少平方分米．

A pair of glass fish tanks without a cover is 7 decimeters long, 5 decimeters wide and 5 decimeters high, how many square decimeters of fish tanks are needed to make the pair of fish tanks.

<gadget id="calculator">7 * 5 * 3</gadget>
<output>105</output>
<gadget id="calculator">5 * 5 * 2</gadget>
<output>50</output>
<gadget id="calculator">105 + 50</gadget>
<output>155</output>
<gadget id="calculator">155 * 2</gadget>
<output>310</output>
<result>310</result>


2700/30，商末尾有多少个0．

2700/30, how many 0s are there at the end of the quotient?


一个三角形的面积是80平方米，它的一条直角边长20米，另一条直角边长多少米？

The area of a triangle is 80 square meters, one of its right-angled sides is 20 meters long, and how long is the other right-angled side in meters?

<gadget id="calculator">2 / 20</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">80 * (1/10)</gadget>
<output>8</output>
<result>8</result>


师傅和徒弟合做一批零件，6天可以完成，如果师徒合做5天后，余下的徒弟3天完成，徒弟单独做完这批零件需要多少天？

The master and apprentice work together to make a batch of parts, which can be completed in 6 days. If the master and apprentice work together for 5 days, and the remaining apprentices complete it in 3 days, how many days will it take for the apprentice to complete this batch of parts alone?

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/6) * 5</gadget>
<output>5/6 = around 0.833333</output>
<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/6) / 3</gadget>
<output>1/18 = around 0.055556</output>
<gadget id="calculator">1 / (1/18)</gadget>
<output>18</output>
<result>18</result>


李奶奶生活不能自理，平常由她的三个儿子平摊照顾，6月份大儿子由于出差，无法照顾，李奶奶先由二儿子照顾14天，其余时间由三儿子照顾．到月底大儿子拿出240元钱作为两个弟弟的酬劳，按照天数计算，三儿子应分多少钱？

Grandma Li cannot take care of herself, and her three sons usually take care of her equally. In June, the eldest son was unable to take care of her due to a business trip. Grandma Li was taken care of by her second son for 14 days, and the rest of the time by her third son. At the end of the month, the eldest son took out 240 yuan as the remuneration for the two younger brothers. Calculated according to the number of days, how much should the third son share?

<gadget id="calculator">30 / 3</gadget>
<output>10</output>
<gadget id="calculator">30 - 14 - 10</gadget>
<output>6</output>
<gadget id="calculator">240 / 10</gadget>
<output>24</output>
<gadget id="calculator">6 * 24</gadget>
<output>144</output>
<result>144</result>


银行规定，购买首套房的按原贷款利息的7折收取利息．因此，李老师每月可以少还利息255元．如果按原贷款利息收取，他每月应还利息多少元？

The bank stipulates that the purchase of the first house will charge interest at 30% of the original loan interest. Therefore, Mr. Li can pay less interest of 255 yuan per month. If the original loan interest is charged, how much should he repay the interest every month?

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">225 / (3/10)</gadget>
<output>750</output>
<result>750</result>


一个长60厘米，宽40厘米，高50厘米的长方形水盆里，放入8只螃蟹，这样水面就比原来上升了0.4分米，你知道平均每只螃蟹的体积是多少吗？

Put 8 crabs in a rectangular basin with a length of 60 cm, a width of 40 cm, and a height of 50 cm, so that the water level rises by 0.4 decimeters. Do you know the average volume of each crab?

<gadget id="calculator">100 / 8</gadget>
<output>25/2 = around 12.5</output>
<gadget id="calculator">60 * 0.4 * 100 * 0.4 * (25/2)</gadget>
<output>12_000</output>
<result>12_000</result>


有红、黄、蓝、绿四种颜色的球各10个，要想取出的球有两个是同色的，至少要取出多少个球．

There are 10 balls in each of the four colors of red, yellow, blue, and green. If two of the balls to be taken out are of the same color, how many balls must be taken out at least.

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


阮奶奶家两个季度共用水108吨．平均每个月用水多少吨？

Grandma Ruan's family shared 108 tons of water in two seasons. How many tons of water is used on average per month?

<gadget id="calculator">2 * 3</gadget>
<output>6</output>
<gadget id="calculator">108 / 6</gadget>
<output>18</output>
<result>18</result>


某小区有8幢楼，每幢楼有102户居民，平均每户每月交水费9元，这个小区每月共交水费多少元？

There are 8 buildings in a community, and each building has 102 households. The average water fee for each household is 9 yuan per month. How much is the monthly water fee for this community?

<gadget id="calculator">9 * 102 * 8</gadget>
<output>7_344</output>
<result>7_344</result>


一张圆形白纸，直径是20厘米，把这张白纸平均分成5份，用去了其中的1份，用去部分的是这张白纸的((())/(()))，是多少平方厘米．

A piece of round white paper with a diameter of 20 cm. Divide this piece of white paper into 5 parts on average, and use up one of the parts. The used part is ((())/(()) of this white paper. ), is how many square centimeters.

<gadget id="calculator">100 / 5</gadget>
<output>20</output>
<gadget id="calculator">3.14 * 20</gadget>
<output>62.8</output>
<result>62.8</result>


一个长方形的长是10米，宽是8米，它的周长正好与一个正方形的周长相等这个正方形的面积是多少平方米．

The length of a rectangle is 10 meters, the width is 8 meters, and its perimeter is exactly equal to the perimeter of a square. What is the area of the square in square meters?

<gadget id="calculator">10 + 8</gadget>
<output>18</output>
<gadget id="calculator">18 * 2</gadget>
<output>36</output>
<gadget id="calculator">36 / 4</gadget>
<output>9</output>
<gadget id="calculator">9 * 9</gadget>
<output>81</output>
<result>81</result>


张老师第一次到体育用品商店买了24套运动服，第二次又买了同样的运动服30套，第二次比第一次多付了510元．每套运动服多少元？

Teacher Zhang bought 24 sets of sportswear at the sporting goods store for the first time, and bought 30 sets of the same sportswear for the second time. The second time paid 510 yuan more than the first time. How much is each set of sportswear?

<gadget id="calculator">30 - 24</gadget>
<output>6</output>
<gadget id="calculator">510 / 6</gadget>
<output>85</output>
<result>85</result>


小红帽去外婆家，10点从家里出发，下午3点到达外婆家，她每小时走8千米，她家离外婆家多少千米．

Little Red Riding Hood goes to grandma's house, starts from home at 10 o'clock, and arrives at grandma's house at 3 o'clock in the afternoon. She walks 8 kilometers per hour. How many kilometers away is her home from grandma's house?

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


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


小军看一本书，每天看14页，一周可以看完，这本书有多少页．

Xiaojun reads a book, 14 pages a day, and can finish it in a week. How many pages does this book have?

<gadget id="calculator">14 * 7</gadget>
<output>98</output>
<result>98</result>


一根绳子可以围成边长是4米的正方形，如果用这根绳子围成长是5米的长方形，那么这个长方形的宽是多少米．

rope can form a square with a side length of 4 meters. If the rope is used to form a rectangle with a length of 5 meters, what is the width of the rectangle?

<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">4 * 2</gadget>
<output>8</output>
<gadget id="calculator">8 - 5</gadget>
<output>3</output>
<result>3</result>


在一幅比例尺是1：200000的地图上，量得甲乙两地的距离是5cm，在比例尺是1：25000的地图上，甲乙两地的距离是多少cm？

On a map with a scale of 1:200000, the distance between A and B is 5 cm. On a map with a scale of 1:25000, what is the distance in cm between A and B?

<gadget id="calculator">1 / 200_000</gadget>
<output>1/200_000 = around 0.000005</output>
<gadget id="calculator">5 / (1/200_000)</gadget>
<output>1_000_000</output>
<gadget id="calculator">1 / 25_000</gadget>
<output>1/25_000 = around 0.00004</output>
<gadget id="calculator">1_000_000 * (1/25_000)</gadget>
<output>40</output>
<result>40</result>


小明购买一种电脑杀毒软件，打七五折销售后比原来便宜了30元，那么小明实际上花了多少钱购买的杀毒软件？

Xiao Ming buys a computer anti-virus software, which is 30 yuan cheaper than before after selling it with a 25% discount. So how much did Xiao Ming actually spend on the anti-virus software?

<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">30 / (1/4)</gadget>
<output>120</output>
<gadget id="calculator">120 - 30</gadget>
<output>90</output>
<result>90</result>


一块三角形的地，面积是112平方米，它的底是16米，它的高是多少米．

A triangular piece of land has an area of 112 square meters, its base is 16 meters, and its height is in meters.

<gadget id="calculator">224 / 16</gadget>
<output>14</output>
<result>14</result>


4个人参加乒乓球小组赛，每2个人比赛一场，一共要比赛多少场．

4 people participate in a table tennis group match, and every 2 players play one game, how many games will there be in total?

<gadget id="calculator">4 - 1</gadget>
<output>3</output>
<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">3 * 2</gadget>
<output>6</output>
<result>6</result>


一个面包店买来160千克面粉，用了4天后还剩下64千克．平均每天用面粉多少千克？

A bakery bought 160 kg of flour, and after using it for 4 days, there were still 64 kg left. How many kilograms of flour is used on average per day?

<gadget id="calculator">160 - 64</gadget>
<output>96</output>
<gadget id="calculator">96 / 4</gadget>
<output>24</output>
<result>24</result>


一个梯形的下底是上底的3倍，把上底延长0.08分米，组成一个面积是288平方厘米的平行四边形．原来梯形的面积是多少平方厘米？

The lower base of a trapezoid is three times the upper base, and the upper base is extended by 0.08 decimeters to form a parallelogram with an area of 288 square centimeters. What is the area of the original trapezoid in square centimeters?

<gadget id="calculator">288 / 3</gadget>
<output>96</output>
<gadget id="calculator">96 * 2</gadget>
<output>192</output>
<result>192</result>


五年级和六年级共有310人参加数学竞赛，已知六年级人数的(3/8)等于五年级人数的(2/5)，五年级参加数学竞赛的有多少人？

total of 310 people in the fifth and sixth grades participated in the mathematics competition. It is known that (3/8) the number of the sixth grade is equal to (2/5) the number of the fifth grade. How many people in the fifth grade participated in the mathematics competition?

<gadget id="calculator">15 + 16</gadget>
<output>31</output>
<gadget id="calculator">15 / 31</gadget>
<output>15/31 = around 0.483871</output>
<gadget id="calculator">310 * (15/31)</gadget>
<output>150</output>
<result>150</result>


请你以"把4米长的彩带，每(2/3)米剪一段，可以剪成多少段？"为例，用一种方法说明"一个数除以一个分数，等于乘这个分数的倒数"．(可以画图、也可以画线段图，还可以用算式)

Please take "cut a 4-meter-long ribbon, how many pieces can be cut every (2/3) meter?" ". (You can draw pictures, you can also draw line diagrams, and you can also use calculations)

<gadget id="calculator">3 / 1</gadget>
<output>3</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">4 / (2/3)</gadget>
<output>6</output>
<result>6</result>


如果A和B表示两个不同的数，A*B=(A+B)/3．那么5.4*1.8的结果是多少？

If A and B represent two different numbers, A*B=(A+B)/3. So what is the result of 5.4*1.8?

<gadget id="calculator">5.4 + 1.8</gadget>
<output>7.2</output>
<gadget id="calculator">7.2 / 3</gadget>
<output>2.4</output>
<result>2.4</result>


在"庆祝六一"征文比赛活动中，某校六年级有80人获一、二、三等奖．其中获三等奖的人数占六年级获奖人数的62.5%，获一、二等奖的人数比是1：4．六年级获二等奖共有多少人．

In the "Celebrating June 1st" essay competition, 80 students in the sixth grade of a certain school won the first, second and third prizes. Among them, the number of winners of the third prize accounted for 62.5% of the number of winners in the sixth grade, and the ratio of the number of winners of the first and second prizes was 1:4. How many people in the sixth grade won the second prize?

<gadget id="calculator">62.5 / 100</gadget>
<output>0.625</output>
<gadget id="calculator">1 - 0.625</gadget>
<output>0.375</output>
<gadget id="calculator">1 + 4</gadget>
<output>5</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">80 * 0.375 * (4/5)</gadget>
<output>24</output>
<result>24</result>


在一次考试中，小雨参加了语文，数学，英语三门课的考试，其中语文，数学两门课的平均成绩是93分，要使平均分达到95分，英语至少要多少分才可以？

In one exam, Xiaoyu took the exam of Chinese, Mathematics, and English. The average score of Chinese and Mathematics was 93 points. To make the average score reach 95 points, what is the minimum score in English?

<gadget id="calculator">95 * 3</gadget>
<output>285</output>
<gadget id="calculator">93 * 2</gadget>
<output>186</output>
<gadget id="calculator">285 - 186</gadget>
<output>99</output>
<result>99</result>


正方形边长25厘米，周长多少米．

The side length of a square is 25 cm, what is the perimeter in meters?

<gadget id="calculator">25 * 4</gadget>
<output>100</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<result>1</result>


一件商品的售价为900元，其盈利率为20%，求此商品的成本价为多少元？

The selling price of a product is 900 yuan, and its profit rate is 20%, what is the cost price of this product?

<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">900 / (6/5)</gadget>
<output>750</output>
<result>750</result>


一匹布，用去8米，还剩4米，剩下的布占这匹布的几分之几？

A piece of cloth, 8 meters are used up, and 4 meters are left, what percentage of the cloth is the remaining cloth?

<gadget id="calculator">8 + 4</gadget>
<output>12</output>
<gadget id="calculator">4 / 12</gadget>
<output>1/3 = around 0.333333</output>
<result>1/3 = around 0.333333</result>


王老师买了124支钢笔，每支13元，王老师一共花了多少钱？

Teacher Wang bought 124 pens at 13 yuan each. How much did Teacher Wang spend in total?

<gadget id="calculator">124 * 13</gadget>
<output>1_612</output>
<result>1_612</result>


要使(29/37)＜(43/(A))＜(37/43)成立，A可能表示多少个不同的自然数．

To make (29/37)<(43/(A))<(37/43) true, how many different natural numbers may A represent.


芳芳看一书，第一看到第23页第二天看第页．第二比第一多看了多页？

Fangfang reads a book, first she sees page 23, and the next day she reads page 23. The second read more pages than the first?

<gadget id="calculator">60 - 23 - 23</gadget>
<output>14</output>
<result>14</result>


一根竹竿，露出水面部分长1.2米．竹竿全长4.6米．水深多少米？

A bamboo pole is 1.2 meters long above the water surface. The total length of the bamboo pole is 4.6 meters. How deep is the water in meters?

<gadget id="calculator">4.6 - 1.2</gadget>
<output>3.4</output>
<result>3.4</result>


在比例尺是1：700000的地图上量得AB两地相距6厘米，如果画在比例尺是1：1000000的地图上，应画多上厘米？

On a map with a scale of 1:700000, the distance between AB and AB is 6 cm. If it is drawn on a map with a scale of 1:1,000,000, how many centimeters should be drawn?

<gadget id="calculator">1 / 700_000</gadget>
<output>1/700_000 = around 0.000001</output>
<gadget id="calculator">6 / (1/700_000)</gadget>
<output>4_200_000</output>
<gadget id="calculator">1 / 1_000_000</gadget>
<output>1/1_000_000 = around 0.000001</output>
<gadget id="calculator">4_200_000 * (1/1_000_000)</gadget>
<output>21/5 = around 4.2</output>
<result>21/5 = around 4.2</result>


万德瓷厂三月份生产瓷器30万件，比二月份多(1/4)，三月份比二月份多生产多少万件？

Wande Porcelain Factory produced 300,000 pieces of porcelain in March, which was 1/4 more than in February. How many more pieces were produced in March than in February?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">30 / (5/4)</gadget>
<output>24</output>
<gadget id="calculator">30 - 24</gadget>
<output>6</output>
<result>6</result>


一个圆锥形物体的体积是6.28立方分米，底面积为3.14平方分米，锥体的高是多少分米？

The volume of a conical object is 6.28 cubic decimeters, the base area is 3.14 square decimeters, what is the height of the cone?

<gadget id="calculator">3 / 3.14</gadget>
<output>0.955414</output>
<gadget id="calculator">6.28 * 0.955414</gadget>
<output>6</output>
<result>6</result>


小晶今年11岁，妈妈的年龄比她的3倍还多2岁．妈妈今年几岁？

Xiaojing is 11 years old this year, and her mother is 2 years older than her three times. How old is mother this year?

<gadget id="calculator">11 * 3</gadget>
<output>33</output>
<gadget id="calculator">33 + 2</gadget>
<output>35</output>
<result>35</result>


有两根长都是20分米的铁丝，一根围成正方形，另一根围成是6分米的长方形，哪个图形面积大？大多少？

There are two iron wires with a length of 20 decimeters, one enclosing a square and the other enclosing a rectangle of 6 decimeters, which figure has the larger area? How big is it?

<gadget id="calculator">20 / 4</gadget>
<output>5</output>
<gadget id="calculator">5 * 5</gadget>
<output>25</output>
<gadget id="calculator">20 / 2</gadget>
<output>10</output>
<gadget id="calculator">10 - 6</gadget>
<output>4</output>
<gadget id="calculator">4 * 6</gadget>
<output>24</output>
<gadget id="calculator">25 - 24</gadget>
<output>1</output>
<result>1</result>


一个圆锥的底面周长是94.2厘米，高是25厘米，它的体积是多少立方厘米．

The circumference of the base of a cone is 94.2 cm and the height is 25 cm. What is its volume in cubic centimeters?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">94.2 / 3.14 / 2</gadget>
<output>15</output>
<gadget id="calculator">15 ** 2</gadget>
<output>225</output>
<gadget id="calculator">(1/3) * 3.14 * 225 * 25</gadget>
<output>5_887.5</output>
<result>5_887.5</result>