一根绳子长(73/100)米，用去(1/100)米，还剩多少米．

rope is (73/100) meters long, if (1/100) meters are used up, how many meters are left?

<gadget id="calculator">73 / 100</gadget>
<output>73/100 = around 0.73</output>
<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>
<gadget id="calculator">(73/100) - (1/100)</gadget>
<output>18/25 = around 0.72</output>
<result>18/25 = around 0.72</result>


一个数的(2/3)正好是30的(3/5)，这个数是多少．

(2/3) of a number is exactly (3/5) of 30, what is this number?

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(3/5) / (2/3)</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">30 * (9/10)</gadget>
<output>27</output>
<result>27</result>


有一盒鸡蛋分别按照2个2个、3个3个或5个5个地数，都正好数完．这盒鸡蛋至少有多少个？

There is a box of eggs counted according to 2 2, 3 3 or 5 5, and they are all counted exactly. How many eggs are there at least in this box?

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


一双皮鞋打八折后降了40元，这双皮鞋原价多少元？

A pair of leather shoes has been discounted by 40 yuan after a 20% discount. How much is the original price of this pair of leather shoes?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">40 / (1/5)</gadget>
<output>200</output>
<result>200</result>


用边长是25厘米的正方形地砖铺一段长为18米，宽为5米的人行道，至少要多少块这样的地砖？

Use square floor tiles with a side length of 25 cm to pave a sidewalk with a length of 18 meters and a width of 5 meters. At least how many such floor tiles are needed?

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(1/4) * (1/4)</gadget>
<output>1/16 = around 0.0625</output>
<gadget id="calculator">5 / (1/16)</gadget>
<output>80</output>
<gadget id="calculator">18 * 80</gadget>
<output>1_440</output>
<result>1_440</result>


<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>
<result>4/5 = around 0.8</result>


<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">9 + (3/4)</gadget>
<output>39/4 = around 9.75</output>
<gadget id="calculator">(8/9) * (39/4)</gadget>
<output>26/3 = around 8.666667</output>
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">(26/3) - (2/3)</gadget>
<output>8</output>
<result>8</result>


学校举行新年自助餐会，一共准备了1000瓶饮料，其中一部分是可乐，剩下的全是果汁，一个小时后，果汁已经减少了(1/5)，但可乐的数量却没有改变．如果此时饮料还剩872瓶，那么可乐的数量是多少瓶？

The school held a New Year's buffet. A total of 1,000 bottles of drinks were prepared, some of which were cola, and the rest were juice. After one hour, the juice had been reduced (1/5), but the amount of cola had not changed. If there are 872 bottles of drinks left at this time, how many bottles of Coke are there?

<gadget id="calculator">1_000 - 872</gadget>
<output>128</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">128 / (1/5)</gadget>
<output>640</output>
<gadget id="calculator">1_000 - 640</gadget>
<output>360</output>
<result>360</result>


等腰三角形的顶角是40度，一个底角是多少度？按角分是什么三角形？

The apex angle of an isosceles triangle is 40 degrees, what is the base angle? What triangle is divided by angle?

<gadget id="calculator">180 - 40</gadget>
<output>140</output>
<gadget id="calculator">140 / 2</gadget>
<output>70</output>
<result>70</result>


要使□6*42的积是三位数，□中可填多少．

To make the product of □6*42 a three-digit number, how much can be filled in □.


在6*6的方格中，先放一枚白棋子，再放一枚黑棋子，要求两个棋子不在同一行，也不在同一列，共有多少种不同结果？

In a 6*6 grid, first place a white piece and then a black piece, and the two pieces are not in the same row or column. How many different outcomes are there?

<gadget id="calculator">6 * 6</gadget>
<output>36</output>
<gadget id="calculator">5 * 5</gadget>
<output>25</output>
<gadget id="calculator">36 * 25</gadget>
<output>900</output>
<result>900</result>


据科学调查一个人每个月大约产生38千克垃圾．乐乐一家三口人，一年要产生多少千克垃圾？

According to scientific investigations, a person produces about 38 kilograms of garbage every month. How many kilograms of garbage does Lele's family of three produce in a year?

<gadget id="calculator">38 * 3 * 12</gadget>
<output>1_368</output>
<result>1_368</result>


小红和爸爸、妈妈去长城游玩，单程票价每人24.5元(儿童半价)，他们全家往返要花去交通费多少元？

Xiaohong went to the Great Wall with her father and mother. The one-way fare was 24.5 yuan per person (half price for children). How much would the round-trip transportation cost for their family?

<gadget id="calculator">24.5 / 2</gadget>
<output>12.25</output>
<gadget id="calculator">24.5 * 2</gadget>
<output>49</output>
<gadget id="calculator">12.25 + 49</gadget>
<output>61.25</output>
<gadget id="calculator">61.25 * 2</gadget>
<output>122.5</output>
<result>122.5</result>


参加"2010陈省身数学周"活动的学生共有1200人，其中女生人数的(3/8)比男生人数的(2/7)多了80人，则参加此次比赛的女生共有多少人．

A total of 1,200 students participated in the "2010 Shiingshen Chern Math Week", among which the number of girls (3/8) was 80 more than the number of boys (2/7), how many girls participated in this competition?

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">1_200 * (2/7)</gadget>
<output>2_400/7 = around 342.857143</output>
<gadget id="calculator">(2_400/7) + 80</gadget>
<output>2_960/7 = around 422.857143</output>
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>
<gadget id="calculator">(3/8) + (2/7)</gadget>
<output>37/56 = around 0.660714</output>
<gadget id="calculator">(2_960/7) / (37/56)</gadget>
<output>640</output>
<result>640</result>


唱歌的有45人，跳舞的有9人，唱歌的是跳舞的多少倍．

There are 45 people singing and 9 people dancing, how many times more people singing than dancing.

<gadget id="calculator">45 / 9</gadget>
<output>5</output>
<result>5</result>


刘阿姨家塑料大棚里种了95平方米小白菜，上星期卖掉40平方米，共收入480元．照这样计算，这些小白菜一共可以卖多少元？

Aunt Liu's plastic greenhouse grew 95 square meters of Chinese cabbage, and sold 40 square meters last week, earning a total of 480 yuan. According to this calculation, how much can these small cabbage be sold in total?

<gadget id="calculator">480 / 40</gadget>
<output>12</output>
<gadget id="calculator">12 * 95</gadget>
<output>1_140</output>
<result>1_140</result>


<gadget id="calculator">5 - 1</gadget>
<output>4</output>
<gadget id="calculator">4.8 / 4</gadget>
<output>1.2</output>
<result>1.2</result>


(1/9) of 7 meters is equal to ((())/(())) of 1 meter; a+c=(5/8), b+c=(1/2), how much is b to a.

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


一种饮料共有三种包装．100毫升的每瓶售价2元，250毫升的每瓶售价4元，1升的每瓶售价15元．哪种包装的售价最便宜？

There are three packages for one beverage. A 100ml bottle is priced at 2 yuan, a 250ml bottle is priced at 4 yuan, and a 1-liter bottle is priced at 15 yuan. Which package is the cheapest?


小东家去年养鱼6000㎏，今年比去年增长两成，今年养鱼多少千克．

Xiaodong’s family raised 6,000kg of fish last year, and this year it has increased by 20% compared to last year. How many kilograms of fish are raised this year?

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">6_000 * (6/5)</gadget>
<output>7_200</output>
<result>7_200</result>


下面各数中，与"4"最接近的是多少

Which of the following numbers is closest to "4"


一种VCD影碟机的售价是924元，比原来降价(4/15)．原来的价钱是多少元？

The selling price of a VCD player is 924 yuan, which is lower than the original price (4/15). What was the original price?

<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>
<gadget id="calculator">1 - (4/15)</gadget>
<output>11/15 = around 0.733333</output>
<gadget id="calculator">924 / (11/15)</gadget>
<output>1_260</output>
<result>1_260</result>


一辆汽车从丽水开往杭州后立即返回丽水，共用去10小时，已知往返所用的时间的比是3：2，返回时汽车每小时比去时快22.5千米，杭州和丽水相距多少千米？

A car drives from Lishui to Hangzhou and immediately returns to Lishui. It takes 10 hours to go there. It is known that the ratio of the round trip time is 3:2. When returning, the car is 22.5 kilometers faster than when going there. How far is the distance between Hangzhou and Lishui? rice?

<gadget id="calculator">3 + 2</gadget>
<output>5</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">10 * (3/5)</gadget>
<output>6</output>
<gadget id="calculator">10 - 6</gadget>
<output>4</output>
<gadget id="calculator">6 - 4</gadget>
<output>2</output>
<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">22.5 * 2</gadget>
<output>45</output>
<gadget id="calculator">45 * 6</gadget>
<output>270</output>
<result>270</result>


Calculate with a simple method: 70.4/(70.4/0.25).

<gadget id="calculator">70.4 / 0.25</gadget>
<output>281.6</output>
<gadget id="calculator">70.4 / 281.6</gadget>
<output>0.25</output>
<result>0.25</result>


甲数比乙数多12.5，甲数不变，乙数增加1.5后，甲数比乙数多多少．

The number of A is 12.5 more than the number of B, and the number of A remains unchanged. After the number of B increases by 1.5, the number of A is more than the number of B.

<gadget id="calculator">12.5 - 1.5</gadget>
<output>11</output>
<result>11</result>


1年1班第一周做了54件好事，第二周做的比第一周多8件，第三周做的比第二周多5件，三个星期一共做多少件．

Class 1, Year 1 did 54 good deeds in the first week, 8 more in the second week than in the first week, 5 more in the third week than in the second week, how many good deeds did they do in three weeks?

<gadget id="calculator">54 + 8</gadget>
<output>62</output>
<gadget id="calculator">54 + 8 + 5</gadget>
<output>67</output>
<gadget id="calculator">54 + 62 + 67</gadget>
<output>183</output>
<result>183</result>


24用两个素数的和表示是多少

What is 24 represented by the sum of two prime numbers

<gadget id="calculator">13 + 11</gadget>
<output>24</output>
<result>24</result>


一辆洒水车，每分钟行驶200米，洒水的宽度是8米，洒水车行驶3分钟，洒水的面积是多少平方米．

sprinkler truck travels 200 meters per minute, the width of sprinkling water is 8 meters, and the sprinkler truck travels for 3 minutes, what is the area in square meters to be sprinkled?

<gadget id="calculator">200 * 8 * 3</gadget>
<output>4_800</output>
<result>4_800</result>


有一个质数，是由两个数字组成的两位数，两个数字之和是8，两个数字之差是2，那么这个质数是多少？

There is a prime number, which is a two-digit number composed of two numbers. The sum of the two numbers is 8, and the difference between the two numbers is 2. What is this prime number?


客车从甲地到乙地，货车从乙地到甲地，两车同时从两地出发，当客车行了距乙地还有全程的1/9时，货车行程已超过两地中点30千米，已知这时客车比货车多行了40千米，甲乙两地间的路程是多少千米？

A passenger car travels from A to B, a truck travels from B to A, and the two cars start from both places at the same time. When the bus travels 1/9 of the distance from B, the truck travel has exceeded 30 kilometers from the midpoint of the two places. It is known that the passenger car traveled 40 kilometers longer than the truck at this time, how many kilometers is the distance between A and B?

<gadget id="calculator">30 + 40</gadget>
<output>70</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>
<gadget id="calculator">(1/2) - (1/9)</gadget>
<output>7/18 = around 0.388889</output>
<gadget id="calculator">70 / (7/18)</gadget>
<output>180</output>
<result>180</result>


两个因数同时扩大10倍，则积扩大多少倍

If two factors are multiplied by 10 at the same time, how many times will the product be multiplied?

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


一枝铅笔0.70元，一根钢笔6.80元，买3枝铅笔和5枝钢笔一共要付多少元？

A pencil is 0.70 yuan, and a pen is 6.80 yuan. How much will it cost to buy 3 pencils and 5 pens?

<gadget id="calculator">0.7 * 3</gadget>
<output>2.1</output>
<gadget id="calculator">6.8 * 5</gadget>
<output>34</output>
<gadget id="calculator">2.1 + 34</gadget>
<output>36.1</output>
<result>36.1</result>


一张图纸的比例尺是20：1，将一个长度为4毫米的零件画在这张图纸上，应画多少厘米．

The scale of a drawing is 20:1. If a part with a length of 4 mm is drawn on this drawing, how many centimeters should it draw?

<gadget id="calculator">0.4 * 20</gadget>
<output>8</output>
<result>8</result>


王奶奶有一张定期存款单，年利率是3.75%，存期为3年，到期时取得利息675元，请问王奶奶当时存入的本金是多少元？

Grandma Wang has a time deposit certificate with an annual interest rate of 3.75%, a deposit period of 3 years, and an interest of 675 yuan upon maturity. How much was the principal deposited by Grandma Wang at that time?

<gadget id="calculator">3.75 / 100</gadget>
<output>0.0375</output>
<gadget id="calculator">675 / 3 / 0.0375</gadget>
<output>6_000</output>
<result>6_000</result>


20以内的质数的和是多少．

What is the sum of prime numbers up to 20?

<gadget id="calculator">2 + 3 + 5 + 7 + 11 + 13 + 17 + 19</gadget>
<output>77</output>
<result>77</result>


一本书有242页，丽丽看了8天后还剩2页，丽丽平均每天看了多少页？

A book has 242 pages, Lili reads for 8 days and there are 2 pages left, how many pages does Lili read on average every day?

<gadget id="calculator">242 - 2</gadget>
<output>240</output>
<gadget id="calculator">240 / 8</gadget>
<output>30</output>
<result>30</result>


有三块长方形菜地，已知这三个长方形的长相同，第二块比第一块的宽多3米，第三块比第一块的宽少4米，第二块面积是840平方米，第三块面积是630平方米，求第一块地的面积是多少平方米？

There are three rectangular vegetable plots. It is known that the lengths of these three rectangles are the same. The second plot is 3 meters wider than the first plot, and the third plot is 4 meters shorter than the first plot. The area of the second plot is 840 square meters , the area of the third plot is 630 square meters, how many square meters is the area of the first plot?

<gadget id="calculator">840 - 630</gadget>
<output>210</output>
<gadget id="calculator">3 + 4</gadget>
<output>7</output>
<gadget id="calculator">210 / 7</gadget>
<output>30</output>
<gadget id="calculator">840 / 30</gadget>
<output>28</output>
<gadget id="calculator">28 - 3</gadget>
<output>25</output>
<gadget id="calculator">25 * 30</gadget>
<output>750</output>
<result>750</result>


书店的图书凭优惠卡可打八折，东东用优惠卡买了一套书，节省了12.6元，这套书原价是多少

Books in the bookstore can get a 20% discount with the discount card. Dongdong bought a set of books with the discount card and saved 12.6 yuan. What is the original price of this set of books?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">12.6 / (1/5)</gadget>
<output>63</output>
<result>63</result>


图书室购进三种类型图书共540本，其中科技书占总数的(1/3)，文艺书占少儿读物的(4/5)．购进少儿读物多少本？

The library purchased a total of 540 books of three types, among which science and technology books accounted for (1/3) of the total, and literature and art books accounted for children's books (4/5). How many children's books do you buy?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">540 * (1/3)</gadget>
<output>180</output>
<gadget id="calculator">540 - 180</gadget>
<output>360</output>
<gadget id="calculator">4 + 5</gadget>
<output>9</output>
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>
<gadget id="calculator">360 * (5/9)</gadget>
<output>200</output>
<result>200</result>


一个圆形喷水池的周长为62.8米，在离水池边0.5米的外面围上栏杆，栏杆长多少米？

The circumference of a circular fountain is 62.8 meters, and a railing is 0.5 meters away from the edge of the pool. How many meters is the railing?

<gadget id="calculator">62.8 / 3.14</gadget>
<output>20</output>
<gadget id="calculator">0.5 * 2</gadget>
<output>1</output>
<gadget id="calculator">20 + 1</gadget>
<output>21</output>
<gadget id="calculator">3.14 * 21</gadget>
<output>65.94</output>
<result>65.94</result>


李老师计划买12个足球，每个128元，15个篮球，每个65元，一共需要多少元？

Teacher Li plans to buy 12 footballs, each 128 yuan, and 15 basketballs, each 65 yuan, how much is the total cost?

<gadget id="calculator">128 * 12</gadget>
<output>1_536</output>
<gadget id="calculator">65 * 15</gadget>
<output>975</output>
<gadget id="calculator">1_536 + 975</gadget>
<output>2_511</output>
<result>2_511</result>


在下面三个数中，800和多少相差最多．

Among the following three numbers, the difference between 800 and how much is the largest.


一块长方形麦田，长150米，宽80米．在这块田里一共收获了9吨小麦，平均每公顷收获小麦多少吨？

A rectangular wheat field is 150 meters long and 80 meters wide. A total of 9 tons of wheat are harvested in this field. How many tons of wheat are harvested on average per hectare?

<gadget id="calculator">80 / 10_000</gadget>
<output>1/125 = around 0.008</output>
<gadget id="calculator">150 * (1/125)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">9 / (6/5)</gadget>
<output>15/2 = around 7.5</output>
<result>15/2 = around 7.5</result>


在一个圆形水池的周围有一圈圆形的围栏，已知水池的半径是5m，围栏至少有多长？

There is a circular fence around a circular pool. It is known that the radius of the pool is 5m. What is the minimum length of the fence?

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


10个小朋友手拉手站成一行，量得这一行有14米长．照这样计算，一亿个小朋友手拉手站成一行，有多少．

10 children stand in a row hand in hand, and the length of the row is 14 meters. According to this calculation, there are 100 million children standing in a line hand in hand, how many are there?


某植树队种树250棵，比计划多种90棵．超过计划百分之几？

A tree planting team planted 250 trees, 90 more than planned. By what percentage is it more than planned?

<gadget id="calculator">250 - 90</gadget>
<output>160</output>
<gadget id="calculator">90 / 160</gadget>
<output>9/16 = around 0.5625</output>
<result>9/16 = around 0.5625</result>


学校用880元买了23个足球，还余6元，每个足球多少元．

The school bought 23 footballs for 880 yuan, and there is 6 yuan left. How much is each football?

<gadget id="calculator">880 - 6</gadget>
<output>874</output>
<gadget id="calculator">874 / 23</gadget>
<output>38</output>
<result>38</result>


海陵公园里一块正方形草坪的正中装了一个可旋转的自动喷水器，最远能喷5米远，这个喷水器最多能喷多少平方米的面积．

A rotatable automatic sprinkler is installed in the middle of a square lawn in Hailing Park, which can spray as far as 5 meters away. How many square meters can this sprinkler spray at most?

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>
<gadget id="calculator">3.14 * 25</gadget>
<output>78.5</output>
<result>78.5</result>


一段路，甲走完要12分钟，乙走完要15分钟，甲的速度比乙的速度快多少

A certain distance, A takes 12 minutes to complete, and B takes 15 minutes to complete, how much faster is A's speed than B's

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>
<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">(1/12) - (1/15)</gadget>
<output>1/60 = around 0.016667</output>
<gadget id="calculator">(1/60) / (1/15)</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


学校买8个篮球和2个足球，一共用了490元．每个篮球45元，每个足球多少元？(用方程解)

The school bought 8 basketballs and 2 footballs for a total of 490 yuan. Each basketball is 45 yuan, how much is each football? (solution by equation)

<gadget id="calculator">45 * 8</gadget>
<output>360</output>
<gadget id="calculator">490 - 360</gadget>
<output>130</output>
<gadget id="calculator">130 / 2</gadget>
<output>65</output>
<result>65</result>


水果店运来苹果和梨各9箱，苹果每箱25千克，梨每箱35千克，水果店一共运来水果多少千克？

The fruit shop shipped 9 boxes of apples and 9 pears each, each box of apples was 25 kg, and each box of pears was 35 kg. How many kg of fruit did the fruit shop ship in total?

<gadget id="calculator">25 + 35</gadget>
<output>60</output>
<gadget id="calculator">60 * 9</gadget>
<output>540</output>
<result>540</result>


一个数乘56得1568，这个数乘73得多少．

A number multiplied by 56 is 1568. How much is this number multiplied by 73?

<gadget id="calculator">1_568 / 56</gadget>
<output>28</output>
<gadget id="calculator">28 * 73</gadget>
<output>2_044</output>
<result>2_044</result>


用两个完全一样的梯形，拼成一个面积是80平方厘米的平行四边形，如果梯形的上下底之和是20厘米，那么高是多少厘米．

Use two identical trapezoids to form a parallelogram with an area of 80 square centimeters. If the sum of the upper and lower bases of the trapezoid is 20 centimeters, what is the height in centimeters?

<gadget id="calculator">180 / 20</gadget>
<output>9</output>
<result>9</result>


一辆洒水车每小时行驶50千米，洒水的宽度是7米，洒水车行驶6分钟，被洒水的地面有多少平方米？

A sprinkler drives 50 kilometers per hour, the width of the sprinkler is 7 meters, and the sprinkler runs for 6 minutes. How many square meters is the ground being sprinkled?

<gadget id="calculator">50 * 1_000</gadget>
<output>50_000</output>
<gadget id="calculator">50_000 * 0.1 * 7</gadget>
<output>35_000</output>
<result>35_000</result>


<gadget id="calculator">1.5 * 1.3 * 4</gadget>
<output>7.8</output>
<result>7.8</result>


学校图书馆有三种书，已知连环画有100本，文艺书比连环画少(2/5)，连环画比科技书多(1/4)．三种书共有多少本？

There are three kinds of books in the school library. It is known that there are 100 comic books. There are fewer literary books (2/5) than comic books, and more comic books than science books (1/4). How many books are there in total?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">100 * (3/5)</gadget>
<output>60</output>
<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">100 / (5/4)</gadget>
<output>80</output>
<gadget id="calculator">100 + 60 + 80</gadget>
<output>240</output>
<result>240</result>


妈妈买来一些饼干．小美第一天吃了这些饼干的一半．第二天吃了余下的一半，这时还剩下5块，妈妈买来了多少块饼干？

Mom bought some biscuits. Mei ate half of these biscuits on the first day. I ate the remaining half the next day, and there were still 5 yuan left. How many biscuits did my mother buy?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">5 / (1/2) / (1/2)</gadget>
<output>20</output>
<result>20</result>


用853与827的差去除350与20的积，商是多少？

What is the quotient of dividing the product of 350 and 20 by the difference of 853 and 827?

<gadget id="calculator">7_000 / 28</gadget>
<output>250</output>
<result>250</result>


A是一个不等于0的数，请说明A+(3/4)与A*(3/4)哪一个大？

is a number not equal to 0, please explain which one is bigger, A+(3/4) or A*(3/4)?

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


一个小数的小数点向左移动一位后比原来少0.45，这个小数原来是多少．

If the decimal point of a decimal is moved to the left by 0.45, what is the original value of the decimal?

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">0.45 / (9/10)</gadget>
<output>0.5</output>
<result>0.5</result>


五年二班有50人，昨天的出勤率是98%，昨天上学的学生有多少人．

There are 50 students in the second class of the fifth year, and yesterday's attendance rate was 98%. How many students went to school yesterday?

<gadget id="calculator">98 / 100</gadget>
<output>49/50 = around 0.98</output>
<gadget id="calculator">50 * (49/50)</gadget>
<output>49</output>
<result>49</result>


甲数的(1/3)与乙数的(2/9)相等，乙数是126．甲乙两数的平均数是多少．

(1/3) of number A is equal to (2/9) of number B, and number B is 126. What is the average of the two numbers A and B?

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(2/9) / (1/3)</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">126 * (2/3)</gadget>
<output>84</output>
<gadget id="calculator">126 + 84</gadget>
<output>210</output>
<gadget id="calculator">210 / 2</gadget>
<output>105</output>
<result>105</result>


水果店橘子3千克5元，梨2千克4元．妈妈打算买8千克梨和6千克橘子，应付多少元？

In the fruit shop, 3 kilograms of oranges are 5 yuan, and 2 kilograms of pears are 4 yuan. Mom plans to buy 8 kg of pears and 6 kg of oranges, how much should I pay?

<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>
<gadget id="calculator">(5/3) * 6</gadget>
<output>10</output>
<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">2 * 8</gadget>
<output>16</output>
<gadget id="calculator">10 + 16</gadget>
<output>26</output>
<result>26</result>


<gadget id="calculator">32.6 * 51.4</gadget>
<output>1_675.64</output>
<gadget id="calculator">674 * 5.16</gadget>
<output>3_477.84</output>
<gadget id="calculator">1_675.64 + 3_477.84</gadget>
<output>5_153.48</output>
<result>5_153.48</result>


<gadget id="calculator">9 - 3</gadget>
<output>6</output>
<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">4 * 3</gadget>
<output>12</output>
<gadget id="calculator">12 + 3</gadget>
<output>15</output>
<result>15</result>


商店销售一种成本价是每件150元的衣服，该商店以售价的七折卖出，仍有40%的盈利．则每件衣服的售价是多少元？

A store sells a piece of clothing whose cost price is 150 yuan per piece. The store sells it at 30% off the selling price, and still has a 40% profit. How much is the price of each piece of clothing?

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">150 * (2/5)</gadget>
<output>60</output>
<gadget id="calculator">150 + 60</gadget>
<output>210</output>
<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>
<gadget id="calculator">210 / (7/10)</gadget>
<output>300</output>
<result>300</result>


小丁丁家去年共缴了1512元电话费，今年比去年每月节约了15元，照这样计算，今年预计一共要缴多少电话费？

Ding Ding’s family paid a total of 1,512 yuan in phone bills last year, and this year they saved 15 yuan a month compared with last year. Based on this calculation, how much is the total phone bill expected to be paid this year?

<gadget id="calculator">15 * 12</gadget>
<output>180</output>
<gadget id="calculator">1_512 - 180</gadget>
<output>1_332</output>
<result>1_332</result>


两个数的商是4.5，如果被除数扩大到原来的20倍，除数不变，商是多少．

The quotient of two numbers is 4.5. If the dividend is enlarged to 20 times the original number and the divisor remains the same, what is the quotient?

<gadget id="calculator">4.5 * 20</gadget>
<output>90</output>
<result>90</result>


在一条马路的两侧种树，每隔10米种一棵，每侧首尾两棵树间距离为240米，一共要种多少棵树？

Plant trees on both sides of a road, plant one tree every 10 meters, and the distance between the first and last two trees on each side is 240 meters. How many trees should be planted in total?

<gadget id="calculator">240 / 10</gadget>
<output>24</output>
<gadget id="calculator">24 + 1</gadget>
<output>25</output>
<gadget id="calculator">25 * 2</gadget>
<output>50</output>
<result>50</result>


(2/5)的倒数除以(5/4)的商是多少．

What is the quotient of the reciprocal of (2/5) divided by (5/4).

<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">(5/2) / (5/4)</gadget>
<output>2</output>
<result>2</result>


已包装的是糖果总数的40%，再包装21千克，则已包装的正好是糖果总数的(3/4)．这批糖果一共有多少千克？

The packaged ones are 40% of the total number of candies, and if the package is 21 kg, the packaged ones are exactly (3/4) of the total number of candies. How many kilograms is this batch of candy in total?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(3/4) - (2/5)</gadget>
<output>7/20 = around 0.35</output>
<gadget id="calculator">21 / (7/20)</gadget>
<output>60</output>
<result>60</result>


一批零件，由张、李两位师傅完成，张师傅加工了160个，其中不合格的有9个，李师傅加工的零件中，合格的有134个，不合格的有6个．求这批零件的合格率？

A batch of parts was completed by two masters, Zhang and Li. Master Zhang processed 160 pieces, of which 9 were unqualified. Among the parts processed by Master Li, 134 were qualified and 6 were unqualified. What is the qualified rate of this batch of parts?

<gadget id="calculator">160 - 9</gadget>
<output>151</output>
<gadget id="calculator">151 + 134</gadget>
<output>285</output>
<gadget id="calculator">160 + 134 + 6</gadget>
<output>300</output>
<gadget id="calculator">285 / 300</gadget>
<output>19/20 = around 0.95</output>
<gadget id="calculator">100 / 100</gadget>
<output>1</output>
<gadget id="calculator">(19/20) * 1</gadget>
<output>19/20 = around 0.95</output>
<result>19/20 = around 0.95</result>


甲、乙两车分别从相距708千米的AB两地同时相对开出，行驶了6小时两车相遇，乙车每小时行驶56千米，甲车每小时行驶多少千米？(用方程解)

Two cars, A and B, drive from AB, which is 708 kilometers apart, at the same time. After driving for 6 hours, the two cars meet. Car B travels 56 kilometers per hour. How many kilometers per hour does A travel? (solution by equation)

<gadget id="calculator">708 / 6</gadget>
<output>118</output>
<gadget id="calculator">118 - 56</gadget>
<output>62</output>
<result>62</result>


一件衣服进价为80元，按标价的六折出售还赚52元，那么标价为多少元．

The purchase price of a piece of clothing is 80 yuan, and you can earn 52 yuan if you sell it at 40% off the price, so how much is the price?

<gadget id="calculator">80 + 52</gadget>
<output>132</output>
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">132 / (3/5)</gadget>
<output>220</output>
<result>220</result>


有一个小数，小数点向左移动三位后再扩大100倍是1.32，原来这个小数是多少．

There is a decimal, the decimal point is moved to the left by three digits and then expanded 100 times to get 1.32. What is the original decimal?


一列火车的速度是180千米/时．一辆小汽车的速度是这列火车的(5/9)，是一架喷气式飞机的(1/9)．这架喷气式飞机的速度是多少？

The speed of a train is 180 km/h. The speed of a car is (5/9) that of the train and (1/9) that of a jet plane. What is the speed of this jet?

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>
<gadget id="calculator">180 * (5/9)</gadget>
<output>100</output>
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>
<gadget id="calculator">100 / (1/9)</gadget>
<output>900</output>
<result>900</result>


五星制衣厂原计划生产12000件牛仔衣，多少实际生产了多少件牛仔衣？(先补充条件，再解答)

Five Star Garment Factory originally planned to produce 12,000 pieces of denim, but how many pieces of denim have actually been produced? (Add conditions first, then answer)

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


有一块梯形菜地，下底是70米，上底是90米，高是70米，在地中间有一个长27米，宽10米的长方形水池，这块菜地实际种菜的面积是多少平方米？

There is a trapezoidal vegetable field with a bottom of 70 meters, an upper bottom of 90 meters, and a height of 70 meters. In the middle of the field is a rectangular pool with a length of 27 meters and a width of 10 meters. What is the actual area of this vegetable field for growing vegetables? square meter?

<gadget id="calculator">70 + 90</gadget>
<output>160</output>
<gadget id="calculator">70 / 2</gadget>
<output>35</output>
<gadget id="calculator">160 * 35</gadget>
<output>5_600</output>
<gadget id="calculator">27 * 10</gadget>
<output>270</output>
<gadget id="calculator">5_600 - 270</gadget>
<output>5_330</output>
<result>5_330</result>


一个三角形面积是3.5dm**2，与它等底等高的平行四边形面积是多少．

If the area of a triangle is 3.5dm**2, what is the area of a parallelogram with the same base and height?

<gadget id="calculator">3.5 * 2</gadget>
<output>7</output>
<result>7</result>


一条裙子八折后售价为160元，这条西服原价是多少元？

A skirt is priced at 160 yuan after a 20% discount. How much is the original price of this suit?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">160 / (4/5)</gadget>
<output>200</output>
<result>200</result>


小青今年6岁，妈妈今年30岁，两年前妈妈的年龄是小青的多少倍．

Xiaoqing is 6 years old this year, and her mother is 30 years old. Two years ago, her mother's age was how many times Xiaoqing's.

<gadget id="calculator">30 - 2</gadget>
<output>28</output>
<gadget id="calculator">6 - 2</gadget>
<output>4</output>
<gadget id="calculator">28 / 4</gadget>
<output>7</output>
<result>7</result>


<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">(1/2) * (2/5)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">(1/6) * 2</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/5) / (1/3)</gadget>
<output>3/5 = around 0.6</output>
<result>3/5 = around 0.6</result>


甲数是乙数的(1/2)，乙数是丙数的(1/3)，甲数是丙数的多少．

The number A is (1/2) of the number B, the number B is (1/3) of the number C, and the number A is the number C.

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 * (1/3) * (1/2)</gadget>
<output>1/6 = around 0.166667</output>
<result>1/6 = around 0.166667</result>


小文将1000元钱存入银行，活期的年利率为1%，并且利息扣税10%，那么一年后小文得到的利息是多少元．

Xiaowen deposits 1,000 yuan in the bank, and the annual interest rate of the current account is 1%, and the interest is tax-deducted by 10%, so how much interest will Xiaowen get after one year.

<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>
<gadget id="calculator">1_000 * (1/100) * 1</gadget>
<output>10</output>
<gadget id="calculator">1_000 * (1/100) * 1 * 1_000 * (1/100) * (1/100)</gadget>
<output>1</output>
<gadget id="calculator">10 - 1</gadget>
<output>9</output>
<result>9</result>


(4/5)的分子加上20，要使分数的大小不变，分母应加上多少．

Add 20 to the numerator of (4/5), how much should be added to the denominator to keep the size of the fraction unchanged.

<gadget id="calculator">4 + 20</gadget>
<output>24</output>
<gadget id="calculator">24 / 4</gadget>
<output>6</output>
<gadget id="calculator">5 * 6</gadget>
<output>30</output>
<gadget id="calculator">30 - 5</gadget>
<output>25</output>
<result>25</result>


三2班同学中，参加唱歌兴趣小组的有32人，参加画画兴趣小组的有28人，两样都参加的有20人，两个小组一共有多少人．

Among the students in class 3 and 2, 32 people participated in the singing interest group, 28 people participated in the painting interest group, and 20 people participated in both. How many people are there in the two groups?

<gadget id="calculator">32 + 28</gadget>
<output>60</output>
<gadget id="calculator">60 - 20</gadget>
<output>40</output>
<result>40</result>


学校图书室有故事书562本，比文艺书多208本，少儿科技书的本数正好是文艺书的2倍，学校图书室共有科技书多少本？

There are 562 story books in the school library, 208 more than literature and art books, and the number of science and technology books for children is exactly twice that of literature and art books. How many science and technology books are there in the school library?

<gadget id="calculator">562 - 208</gadget>
<output>354</output>
<gadget id="calculator">354 * 2</gadget>
<output>708</output>
<result>708</result>


李师傅加工一批零件，原计划每天加工90个零件，7天完成任务，由于特殊原因，李师傅需提前2天完成任务，实际每天加工多少个？

Master Li processes a batch of parts. It was originally planned to process 90 parts per day and complete the task in 7 days. Due to special reasons, Master Li needs to complete the task 2 days in advance. How many parts are actually processed per day?

<gadget id="calculator">90 * 7</gadget>
<output>630</output>
<gadget id="calculator">7 - 2</gadget>
<output>5</output>
<gadget id="calculator">630 / 5</gadget>
<output>126</output>
<result>126</result>


小明的妈妈买0.4千克大米需要0.50元，1千克大米是多少元？多少

Xiao Ming's mother needs 0.50 yuan to buy 0.4 kilograms of rice. How much is 1 kilogram of rice? How many

<gadget id="calculator">0.5 / 0.4</gadget>
<output>1.25</output>
<result>1.25</result>


5：4的前项如果增加5，后项应增加多少，才能保持比值不变．

If the former item of 5:4 is increased by 5, how much should the latter be increased to keep the ratio constant.

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


学校电脑教室长8米，宽6.5米，高3米，门窗面积是20.85平方米，要粉刷它的顶棚和四周墙壁．每平方米粉刷的费用是4元，粉刷这间房子共需多少元？

The school computer classroom is 8 meters long, 6.5 meters wide, and 3 meters high. The area of doors and windows is 20.85 square meters. Its ceiling and surrounding walls need to be painted. The cost of painting per square meter is 4 yuan. How much is the total cost of painting this house?

<gadget id="calculator">8 * 3</gadget>
<output>24</output>
<gadget id="calculator">6.5 * 3</gadget>
<output>19.5</output>
<gadget id="calculator">24 + 19.5</gadget>
<output>43.5</output>
<gadget id="calculator">43.5 * 2</gadget>
<output>87</output>
<gadget id="calculator">8 * 6.5</gadget>
<output>52</output>
<gadget id="calculator">52 - 20.85</gadget>
<output>31.15</output>
<gadget id="calculator">87 + 31.15</gadget>
<output>118.15</output>
<gadget id="calculator">118.15 * 4</gadget>
<output>472.6</output>
<result>472.6</result>


某市规定在通讯超市内打长途电话可特别优惠：首分钟是1.40元，以后每6秒付0.06元，晚上9点后打长途电话，总费用还可打7.5折．小王在22点给在新加坡的同学打了一个长途电话，他共付话费3.30元，小王这个电话共打了多长时间？

A certain city stipulates that there is a special discount for long-distance calls in the communication supermarket: 1.40 yuan for the first minute, 0.06 yuan for every 6 seconds thereafter, and 25% off the total cost for long-distance calls after 9:00 pm. Xiao Wang made a long-distance call to his classmate in Singapore at 22 o'clock, and he paid a total of 3.30 yuan for the call. How long did Xiao Wang make this call?

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


在一个书包里放1只黄球和4只白球，摸出白球的可能性是多少．

If you put 1 yellow ball and 4 white balls in a bag, what is the probability of drawing a white ball?

<gadget id="calculator">4 + 1</gadget>
<output>5</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<result>4/5 = around 0.8</result>


一个圆柱体，侧面展开是一个正方形，它的边长是18.84厘米，圆柱的底面半径是多少．

A cylinder whose sides are expanded is a square, and its side length is 18.84 cm. What is the radius of the base of the cylinder?

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


学校体育室买了若干个皮球，已知红皮球比白皮球多13个，花皮球比红皮球多20个．又知花皮球的个数正好是白皮球的2倍．体育室一共买了多少个皮球？

The school gymnasium bought several balls. It is known that there are 13 more red balls than white balls, and 20 more flowery balls than red balls. It is also known that the number of flower balls is exactly twice that of white balls. How many balls did the sports room buy in total?

<gadget id="calculator">13 + 20</gadget>
<output>33</output>
<gadget id="calculator">33 + 13</gadget>
<output>46</output>
<gadget id="calculator">46 + 20</gadget>
<output>66</output>
<gadget id="calculator">33 + 46 + 66</gadget>
<output>145</output>
<result>145</result>


某停车场收费标准是：(1,1小时内收2.5元．2超过1小时，每0.5小时收2.50元．李叔叔在这个停车场交了20元，李叔叔在这个停车场停车几小时？

The charging standard of a certain parking lot is: (1, 2.5 yuan for 1 hour. 2 More than 1 hour, 2.50 yuan for every 0.5 hours. Uncle Li paid 20 yuan in this parking lot. How many hours does Uncle Li park in this parking lot?

<gadget id="calculator">20 - 2.5</gadget>
<output>17.5</output>
<gadget id="calculator">17.5 / 2.5</gadget>
<output>7</output>
<gadget id="calculator">7 * 0.5</gadget>
<output>3.5</output>
<gadget id="calculator">3.5 + 1</gadget>
<output>4.5</output>
<result>4.5</result>


下午1时的气温是6℃，傍晚6时的气温比下午1时下降了4℃，傍晚6时的气温是多少℃．

The temperature at 1:00 pm is 6°C, and the temperature at 6:00 pm is 4°C lower than that at 1:00 pm. What is the temperature at 6:00 pm?

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


小明体重是35千克，是爸爸体重的(7/15)，爸爸体重多少千克？

Xiaoming's weight is 35 kilograms, which is 7/15 of his father's weight. How many kilograms does his father weigh?

<gadget id="calculator">7 / 15</gadget>
<output>7/15 = around 0.466667</output>
<gadget id="calculator">35 / (7/15)</gadget>
<output>75</output>
<result>75</result>


3台拖拉机5小时可以耕地4.5公顷，每台拖拉机每小时可以耕地多少公顷？

Three tractors can plow 4.5 hectares in 5 hours, how many hectares can each tractor plow per hour?

<gadget id="calculator">4.5 / 3 / 5</gadget>
<output>0.3</output>
<result>0.3</result>


一个圆柱和一个圆锥等底面积等体积，已知圆锥的高是42厘米，则圆柱的高是多少毫米．

A cylinder and a cone have the same base area and the same volume, and the height of the cone is known to be 42 cm, what is the height of the cylinder in mm?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(1/3) * 42 * 10</gadget>
<output>140</output>
<result>140</result>


小明的家在六楼，他上一层楼15秒钟，他一分钟从一楼走到家吗？

Xiao Ming's home is on the sixth floor. If he goes up to the first floor for 15 seconds, can he walk from the first floor to his home in one minute?


A、B、C、D四个数的平均数是85.5，如果加上E，E比五个数的平均数还要多6，E是多少？

The average of the four numbers A, B, C, and D is 85.5. If E is added, E is 6 more than the average of the five numbers. What is E?

<gadget id="calculator">85.5 * 4</gadget>
<output>342</output>
<gadget id="calculator">6 * 5</gadget>
<output>30</output>
<gadget id="calculator">342 + 30</gadget>
<output>372</output>
<gadget id="calculator">5 - 1</gadget>
<output>4</output>
<gadget id="calculator">372 / 4</gadget>
<output>93</output>
<result>93</result>


某种手机的价格先降5%，再降价10%，现价是原价的多少

The price of a certain mobile phone is first reduced by 5%, and then the price is reduced by 10%. What is the current price of the original price?

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>
<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>
<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>
<gadget id="calculator">1 * (19/20) * (9/10)</gadget>
<output>171/200 = around 0.855</output>
<result>171/200 = around 0.855</result>


一台电子屏幕现价20000元，比原价降低了5000元，降价多少

The current price of an electronic screen is 20,000 yuan, which is 5,000 yuan lower than the original price. How much is the price reduction?

<gadget id="calculator">20_000 + 5_000</gadget>
<output>25_000</output>
<gadget id="calculator">5_000 / 25_000</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


某厂共有三个车间，第一车间月产机床330台，正好占全厂月产量台数的30%．第二车间的月产量是第三车间月产量的(3/4)，第三车间月产机器多少台？

There are three workshops in a certain factory. The first workshop produces 330 machine tools per month, which accounts for 30% of the total monthly production of the whole factory. The monthly output of the second workshop is (3/4) of the monthly output of the third workshop. How many machines are produced by the third workshop?

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">330 / (3/10)</gadget>
<output>1_100</output>
<gadget id="calculator">1_100 - 330</gadget>
<output>770</output>
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 + (3/4)</gadget>
<output>7/4 = around 1.75</output>
<gadget id="calculator">770 / (7/4)</gadget>
<output>440</output>
<result>440</result>


一桶油第一次倒出全桶的(1/4)，第二次倒出24千克，桶里还剩下36千克，这桶油有多少千克？

A barrel of oil is poured out of the whole barrel (1/4) for the first time, and 24 kilograms are poured out for the second time, and there are 36 kilograms left in the barrel. How many kilograms of this barrel of oil are there?

<gadget id="calculator">24 + 36</gadget>
<output>60</output>
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">60 / (3/4)</gadget>
<output>80</output>
<result>80</result>


张大妈买3只小羊用了285元，他还想再买9只这样的小羊，需要准备多少钱？

Aunt Zhang bought 3 lambs for 285 yuan, and he wants to buy 9 more lambs like this. How much money does he need to prepare?

<gadget id="calculator">285 / 3</gadget>
<output>95</output>
<gadget id="calculator">95 * 9</gadget>
<output>855</output>
<result>855</result>


已知甲=2*2*2*3*5，乙=2*3*5*5，甲、乙两数的公因数共有多少个．

It is known that A=2*2*2*3*5, B=2*3*5*5, how many common factors of A and B are there.

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


一个三角形的高是10分米，底比高长30%．这个三角形的面积是多少？

The height of a triangle is 10 decimeters and the base is 30% longer than the height. What is the area of this triangle?

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>
<gadget id="calculator">10 / 2</gadget>
<output>5</output>
<gadget id="calculator">10 * (13/10) * 5</gadget>
<output>65</output>
<result>65</result>


一份稿件，第一天打了(2/7)，第二天与第一天打的一样多，现在还剩下39页．这份稿件一共有多少页？

manuscript was typed on the first day (2/7), and the second day was the same as the first day, and now there are 39 pages left. How many pages does this manuscript have?

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<gadget id="calculator">(2/7) + (2/7)</gadget>
<output>4/7 = around 0.571429</output>
<gadget id="calculator">1 - (4/7)</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">39 / (3/7)</gadget>
<output>91</output>
<result>91</result>


一种商品一月份按正价销售，二月份降价为每件30元销售，结果比一月多卖出(3/5)的数量，结果总收入不变，那么该商品原价每件多少元．

A commodity is sold at the regular price in January, and the price is reduced to 30 yuan per piece in February. As a result, (3/5) the quantity is sold more than in January, and the total income remains unchanged. What is the original price of the commodity per piece?

<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>
<gadget id="calculator">30 * (8/5)</gadget>
<output>48</output>
<result>48</result>


一堆同样规格的铁钉共765克，取出30只铁钉后，剩下的铁钉重0.675千克．原来这堆铁钉共有多少只？

A pile of nails of the same specification weighs 765 grams in total. After taking out 30 nails, the weight of the remaining nails is 0.675 kg. How many nails are there in total?

<gadget id="calculator">0.675 * 1_000</gadget>
<output>675</output>
<gadget id="calculator">765 - 675</gadget>
<output>90</output>
<gadget id="calculator">90 / 30</gadget>
<output>3</output>
<gadget id="calculator">765 / 3</gadget>
<output>255</output>
<result>255</result>


小芳(1/3)小时走了(3/4)千米，她1小时走多少千米？列式是多少

Xiaofang walked (3/4) kilometers in (1/3) hour, how many kilometers did she walk in 1 hour? What is the column

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">(3/4) / (1/3)</gadget>
<output>9/4 = around 2.25</output>
<result>9/4 = around 2.25</result>


观察并找规律，在括号里填写适当的数，0，3，8，多少，24，35．

Observe and find the law, fill in the appropriate number in the brackets, 0, 3, 8, how much, 24, 35.

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


某市民政局将全市为玉树受灾地区捐赠的物资打包成件，其中帐篷2100件，比食品少(1/8)，打包成食品的有多少件？

A Civil Affairs Bureau packaged the city's donations for the disaster-stricken areas of Yushu into packages, including 2,100 tents, which was 1/8 less than food. How many pieces were packaged into food?

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</output>
<gadget id="calculator">2_100 / (7/8)</gadget>
<output>2_400</output>
<result>2_400</result>


书架上的第一层有3本科技书，第二层有2本故事书．从书架的第一、二层各取一本书，有多少种取法．

There are 3 science books on the first floor of the bookshelf, and 2 story books on the second floor. How many ways are there to take a book from the first and second floors of the bookshelf?

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


某农场植树造林，去年植树80公顷，今年植树100公顷，今年造林面积比去年多百分之几？

farm planted trees and planted 80 hectares of trees last year, and planted 100 hectares of trees this year. How much more will the afforestation area this year be than last year?

<gadget id="calculator">100 - 80</gadget>
<output>20</output>
<gadget id="calculator">20 / 80</gadget>
<output>1/4 = around 0.25</output>
<result>1/4 = around 0.25</result>


盒子里装有大小相同的5个红球和2个黄球，从中任意摸出一个球，摸到黄球在可能性是多少．(填分数)

There are 5 red balls and 2 yellow balls of the same size in a box, draw a ball randomly from it, what is the probability of getting a yellow ball? (fill in the score)

<gadget id="calculator">5 + 2</gadget>
<output>7</output>
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>
<result>2/7 = around 0.285714</result>


黄河机器厂11月份接到生产1250台机器的任务，实际生产了1320台，超额完成任务多少台？

Huanghe Machinery Factory received the task of producing 1,250 machines in November, and actually produced 1,320 machines. How many machines were overfulfilled?

<gadget id="calculator">1_320 - 1_250</gadget>
<output>70</output>
<result>70</result>


边长4厘米的正方形面积比边长5厘米的正方形面积小((())/(()))．

A square with a side length of 4 cm is smaller than a square with a side length of 5 cm ((())/(())).

<gadget id="calculator">5 * 5</gadget>
<output>25</output>
<gadget id="calculator">4 * 4</gadget>
<output>16</output>
<gadget id="calculator">25 - 16</gadget>
<output>9</output>
<gadget id="calculator">9 / 25</gadget>
<output>9/25 = around 0.36</output>
<result>9/25 = around 0.36</result>


五年国债年利率为2.75%，某人买国债20000元，到期后本息共多少元．

The annual interest rate of the five-year national debt is 2.75%. If a person buys a national debt of 20,000 yuan, what is the total amount of principal and interest after maturity?

<gadget id="calculator">2.75 / 100</gadget>
<output>0.0275</output>
<gadget id="calculator">20_000 * 0.0275 * 5</gadget>
<output>2_750</output>
<gadget id="calculator">20_000 + 2_750</gadget>
<output>22_750</output>
<result>22_750</result>


两地相距400千米，甲乙两辆汽车同时从两地相对开出，4小时后相遇．甲乙两车速度比为3：2，甲车每小时行多少千米．

The distance between the two places is 400 kilometers. Two cars, A and B, drive from opposite places at the same time and meet each other 4 hours later. The ratio of the speeds of cars A and B is 3:2, how many kilometers does car A travel per hour?

<gadget id="calculator">400 / 4</gadget>
<output>100</output>
<gadget id="calculator">3 + 2</gadget>
<output>5</output>
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">100 * (3/5)</gadget>
<output>60</output>
<result>60</result>


<gadget id="calculator">9 - 6</gadget>
<output>3</output>
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">3 / (2/5)</gadget>
<output>15/2 = around 7.5</output>
<result>15/2 = around 7.5</result>


小明新买一支净含量是90cm**3的牙膏，牙膏的圆形出口的直径是1cm．他早晚各刷一次牙，每次挤出牙膏长约2cm．这支牙膏估计能用多少天？(π取3)

Xiao Ming buys a new toothpaste with a net content of 90cm**3, and the diameter of the circular outlet of the toothpaste is 1cm. He brushes his teeth in the morning and evening, and squeezes out toothpaste about 2cm long each time. How many days is this toothpaste expected to last? (π takes 3)

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(1/2) ** 2</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">3 * (1/4) * 2 * 2</gadget>
<output>3</output>
<gadget id="calculator">90 / 3</gadget>
<output>30</output>
<result>30</result>


某班50人进行检查，达标率为96%，未达标的人有多少人．

50 people in a certain class are inspected, and the compliance rate is 96%. How many people are not up to the standard?

<gadget id="calculator">96 / 100</gadget>
<output>24/25 = around 0.96</output>
<gadget id="calculator">1 - (24/25)</gadget>
<output>1/25 = around 0.04</output>
<gadget id="calculator">50 * (1/25)</gadget>
<output>2</output>
<result>2</result>


洗发水每瓶28元，商场开展促销活动，买4瓶送1瓶．一次买4瓶，每瓶便宜多少元？

Shampoo is 28 yuan per bottle, and the shopping malls carry out promotional activities, buy 4 bottles and get 1 bottle free. How much is it cheaper to buy 4 bottles at a time?

<gadget id="calculator">4 + 1</gadget>
<output>5</output>
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">28 * (4/5)</gadget>
<output>112/5 = around 22.4</output>
<gadget id="calculator">28 - (112/5)</gadget>
<output>28/5 = around 5.6</output>
<result>28/5 = around 5.6</result>


一个底面是正方形的长方体铁箱，如果把它的侧面展开，正好得到一个边长是40厘米的正方形．如果铁箱内正好装了半箱水，求与水接触的面的面积是多少平方厘米？

A cuboid iron box with a square bottom, if you unfold its sides, you get exactly a square with a side length of 40 cm. If the iron box is exactly half filled with water, what is the area in square centimeters of the surface in contact with the water?

<gadget id="calculator">40 / 4</gadget>
<output>10</output>
<gadget id="calculator">10 * 10 * 2</gadget>
<output>200</output>
<gadget id="calculator">40 * 10 * 4</gadget>
<output>1_600</output>
<gadget id="calculator">200 + 1_600</gadget>
<output>1_800</output>
<gadget id="calculator">1_800 / 2</gadget>
<output>900</output>
<result>900</result>


师傅和徒弟共同生产一批零件，5天完成．徒弟共生产了125个，师傅共生产了230个．平均每天师傅比徒弟多生产了多少个？(用两种方法解答)

The master and apprentice jointly produced a batch of parts, which was completed in 5 days. The apprentice produced a total of 125, and the master produced a total of 230. On average, how many more does the master produce than the apprentice every day? (answer in two ways)

<gadget id="calculator">230 / 5</gadget>
<output>46</output>
<gadget id="calculator">125 / 5</gadget>
<output>25</output>
<gadget id="calculator">46 - 25</gadget>
<output>21</output>
<result>21</result>


二月份衡水湿地一日游，票价150元，旅游人数为2000人次，三月份票价打八折出售，旅游人次比原来增长四成，二、三月份哪个月份销售额高，高多少？

In February, the one-day tour of Hengshui Wetland costs 150 yuan, and the number of tourists is 2,000. In March, the ticket price is 20% off.

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">150 * (4/5)</gadget>
<output>120</output>
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>
<gadget id="calculator">2_000 * (7/5)</gadget>
<output>2_800</output>
<gadget id="calculator">120 * 2_800</gadget>
<output>336_000</output>
<gadget id="calculator">150 * 2_000</gadget>
<output>300_000</output>
<gadget id="calculator">336_000 - 300_000</gadget>
<output>36_000</output>
<result>36_000</result>


一种细菌，每过一分钟，就由原来的1个变成2个．经过3分钟，这种细菌的数量是原来的多少倍．

A bacterium changes from 1 to 2 every minute. After 3 minutes, the number of the bacteria is how many times the original.

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


某工程队铺设畅100米的电缆，第一天铺了全长的20%，第二天铺了余下的(1/4)，还差多少米没有铺完？

An engineering team laid a 100-meter cable. On the first day, 20% of the total length was laid, and the rest (1/4) was laid on the second day. How many meters 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">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">(4/5) * (1/4)</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 - (1/5) - (1/5)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">100 * (3/5)</gadget>
<output>60</output>
<result>60</result>


口袋里有3个红球2个白球，一次摸到白球的可能性是多少．

There are 3 red balls and 2 white balls in a pocket, what is the probability of touching a white ball at one time?

<gadget id="calculator">3 + 2</gadget>
<output>5</output>
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<result>2/5 = around 0.4</result>


小东骑自行车上学，他家到学校的路程是1570米，小东的自行车车轮直径大约是0.5米，如果平均每分钟转100周，他从家到学校大约需要多少分钟？

Xiaodong goes to school by bicycle. The distance from his home to school is 1570 meters. The diameter of the wheel of Xiaodong’s bicycle is about 0.5 meters. If it turns 100 times per minute on average, how many minutes does it take him to go from home to school?

<gadget id="calculator">3.14 * 0.5 * 100</gadget>
<output>157</output>
<gadget id="calculator">1_570 / 157</gadget>
<output>10</output>
<result>10</result>


每把木椅33元，每把转椅88元，买16把木椅的钱，最多可以买多少把转椅？

Each wooden chair is 33 yuan, and each swivel chair is 88 yuan. If you buy 16 wooden chairs, how many swivel chairs can you buy at most?

<gadget id="calculator">16 / 88</gadget>
<output>2/11 = around 0.181818</output>
<gadget id="calculator">33 * (2/11)</gadget>
<output>6</output>
<result>6</result>


甲乙两桶油，甲有油10千克，如果从甲桶倒出(1/2)给乙桶，这时甲乙两桶的比是1：7，两桶原来有多少油？

There are two barrels of oil in A and B, and A has 10 kilograms of oil. If (1/2) is poured from barrel A to barrel B, the ratio of the two barrels of A and B is 1:7. How much oil are there in the two barrels?

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">10 * (1/2)</gadget>
<output>5</output>
<gadget id="calculator">(1/2) / 1</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">10 * (1/2) * 7</gadget>
<output>35</output>
<gadget id="calculator">5 + 35</gadget>
<output>40</output>
<result>40</result>


淘气用长62.8m的篱笆围出一个最大的花圃，这个花圃是什么形状？它的面积是多少平方米？

Naughty uses a 62.8m long fence to enclose the largest flower garden. What is the shape of this flower garden? What is its area in square meters?

<gadget id="calculator">62.8 / 3.14 / 2</gadget>
<output>10</output>
<gadget id="calculator">10 ** 2</gadget>
<output>100</output>
<gadget id="calculator">3.14 * 100</gadget>
<output>314</output>
<result>314</result>


一个教室长8米，宽6.5米，高4米．现在要粉刷四周墙壁和顶板，(门、窗、黑板的面积共12.6平方米)，每平方米需要工时费2.5元，一共要付工时费多少元？

A classroom is 8 meters long, 6.5 meters wide, and 4 meters high. Now it is necessary to paint the surrounding walls and roof (the area of doors, windows, and blackboards is 12.6 square meters in total), and the labor cost is 2.5 yuan per square meter. How much is the labor hour fee in total?

<gadget id="calculator">8 * 4</gadget>
<output>32</output>
<gadget id="calculator">6.5 * 4</gadget>
<output>26</output>
<gadget id="calculator">32 + 26</gadget>
<output>58</output>
<gadget id="calculator">58 * 2</gadget>
<output>116</output>
<gadget id="calculator">8 * 6.5</gadget>
<output>52</output>
<gadget id="calculator">52 - 12.6</gadget>
<output>39.4</output>
<gadget id="calculator">116 + 39.4</gadget>
<output>155.4</output>
<gadget id="calculator">155.4 * 2.5</gadget>
<output>388.5</output>
<result>388.5</result>


一个等腰三角形的其中两条边分别是6厘米和3厘米．这个等腰三角形的周长应该是多少厘米．

Two sides of an isosceles triangle are 6 cm and 3 cm respectively. What is the perimeter of this isosceles triangle in centimeters?

<gadget id="calculator">6 + 6 + 3</gadget>
<output>15</output>
<result>15</result>


一根小棒锯成等长的小段，5次锯完，每段是这根小棒的((())/(()))．

small stick is sawed into small sections of equal length. After sawing 5 times, each section is ((())/(())) of the small stick.

<gadget id="calculator">5 + 1</gadget>
<output>6</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<result>1/6 = around 0.166667</result>


一个专业户养鸭1000只，养鹅2000只．养的鸭是鹅的百分之几？

A professional household raises 1,000 ducks and 2,000 geese. How many percent of ducks are raised as compared to geese?

<gadget id="calculator">1_000 / 2_000</gadget>
<output>1/2 = around 0.5</output>
<result>1/2 = around 0.5</result>


佳惠超市有一种水瓶，单价原来是50元/个，降价后的单价是40元/个，原来买12个水瓶的钱，现在可以买多少个？

There is a kind of water bottle in Jiahui Supermarket. The original unit price is 50 yuan/each, but after the price reduction, the unit price is 40 yuan/each. How many water bottles can you buy for the original price of 12 water bottles?

<gadget id="calculator">12 / 40</gadget>
<output>3/10 = around 0.3</output>
<gadget id="calculator">50 * (3/10)</gadget>
<output>15</output>
<result>15</result>


某公司为每位员工准备一套价值98元的亚运会纪念品．已知该公司的开发部有45人，销售部有89人．请问，要为这两个部门的员工购买纪念品一共要多少元？

A company prepares a set of Asian Games souvenirs worth 98 yuan for each employee. It is known that the company has 45 people in the development department and 89 people in the sales department. Excuse me, how much is the total cost to buy souvenirs for the employees of these two departments?

<gadget id="calculator">45 + 89</gadget>
<output>134</output>
<gadget id="calculator">98 * 134</gadget>
<output>13_132</output>
<result>13_132</result>


学校买回一批大米，吃了总数的60%，还剩40千克没有吃，这批大米有多少千克？

The school bought a batch of rice and ate 60% of the total, leaving 40kg uneaten. How many kilograms of this batch of rice are there?

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">40 / (2/5)</gadget>
<output>100</output>
<result>100</result>


有一类数，它们既是7的倍数也是8的倍数，并且加上9是质数．这类数中最小的是多少．

There is a class of numbers that are both multiples of 7 and 8, and plus 9 are prime numbers. What is the smallest of these numbers.


小芳看一本课外书，已经看的页数是没看的3.6倍，已看比没看的多52页．这本书共有多少页？

When Xiaofang reads an extracurricular book, the number of pages she has read is 3.6 times that of the ones she has not read, and 52 pages more than the ones she has not read. How many pages does this book have?

<gadget id="calculator">3.6 - 1</gadget>
<output>2.6</output>
<gadget id="calculator">52 / 2.6</gadget>
<output>20</output>
<gadget id="calculator">20 * 3.6</gadget>
<output>72</output>
<gadget id="calculator">72 + 20</gadget>
<output>92</output>
<result>92</result>


把一块不规则的石块放入一个棱长是8分米的正方体容器，水面上升了5厘米，求这块石块的体积．

Put an irregular stone into a cube container with side length 8 decimeters, the water level rises by 5 cm, find the volume of the stone.

<gadget id="calculator">8 * 10</gadget>
<output>80</output>
<gadget id="calculator">80 * 80 * 5</gadget>
<output>32_000</output>
<result>32_000</result>


把一根长2米的圆柱截成3段，表面积增加了60平方分米，这根木料的体积是多少立方米．

If a cylinder with a length of 2 meters is cut into 3 sections, the surface area is increased by 60 square decimeters, what is the volume of this piece of wood in cubic meters?

<gadget id="calculator">60 / 4</gadget>
<output>15</output>
<gadget id="calculator">10 / 1_000</gadget>
<output>1/100 = around 0.01</output>
<gadget id="calculator">15 * 2 * (1/100)</gadget>
<output>3/10 = around 0.3</output>
<result>3/10 = around 0.3</result>


用一根铁丝围成一个长6厘米、宽3厘米的长方形，这根铁丝的长度为多少厘米．

A rectangle with a length of 6 cm and a width of 3 cm is surrounded by a wire. What is the length of the wire in cm?

<gadget id="calculator">6 + 3</gadget>
<output>9</output>
<gadget id="calculator">9 * 2</gadget>
<output>18</output>
<result>18</result>


红星制衣厂五月份计划制衣1500件，上半月完成了计划的(2/3)，下半月完成计划的50%，实际超产了多少件？

Hongxing Garment Factory planned to make 1,500 pieces of clothing in May, completed the plan (2/3) in the first half of the month, and completed 50% of the plan in the second half of the month. How many pieces were actually over-produced?

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(2/3) + (1/2)</gadget>
<output>7/6 = around 1.166667</output>
<gadget id="calculator">1_500 * (7/6)</gadget>
<output>1_750</output>
<gadget id="calculator">1_750 - 1_500</gadget>
<output>250</output>
<result>250</result>


一个圆形游泳池的直径是20m，这个游泳池占地面积是多少平方米？

The diameter of a circular swimming pool is 20m, what is the area of the swimming pool in square meters?

<gadget id="calculator">20 / 2</gadget>
<output>10</output>
<gadget id="calculator">10 ** 2</gadget>
<output>100</output>
<gadget id="calculator">3.14 * 100</gadget>
<output>314</output>
<result>314</result>


一辆汽车从甲地开往乙地每小时行80千米，(3/4)小时到达，原路返回时用了(6/7)小时，求这辆汽车返回时每小时行多少千米？

A car travels 80 kilometers per hour from place A to place B, and arrives in (3/4) hours. It takes (6/7) hours to return to the original road. Find out how many kilometers per hour the car travels when it returns ?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">80 * (3/4)</gadget>
<output>60</output>
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>
<gadget id="calculator">60 / (6/7)</gadget>
<output>70</output>
<result>70</result>


A，B两地之间每隔45米竖一根电线杆，包括两端的两根电线杆在内，共竖有65根电线杆．现在要改为每隔60米竖一根电线杆，那么除了两端的两根电线杆外，A，B两地之间还有多少根电线杆可不移动．

telegraph pole is erected every 45 meters between A and B, including the two telegraph poles at both ends, there are 65 telegraph poles erected in total. Now it is necessary to erect a telegraph pole every 60 meters, then in addition to the two telegraph poles at both ends, how many telegraph poles between places A and B must not be moved.

<gadget id="calculator">65 - 1</gadget>
<output>64</output>
<gadget id="calculator">45 * 64</gadget>
<output>2_880</output>
<gadget id="calculator">2_880 / 180</gadget>
<output>16</output>
<gadget id="calculator">16 - 1</gadget>
<output>15</output>
<result>15</result>


一个圆柱的侧面积是96cm**2，底面半径是4cm，这个圆柱的体积是多少cm**3．

The lateral area of a cylinder is 96cm**2, the radius of the bottom is 4cm, what is the volume of this cylinder in cm**3.

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>
<gadget id="calculator">3.14 * 4 * 2</gadget>
<output>25.12</output>
<gadget id="calculator">96 / 25.12</gadget>
<output>3.821656</output>
<gadget id="calculator">3.14 * 16 * 3.821656</gadget>
<output>191.999997</output>
<result>191.999997</result>


保护环境，从我做起，从超市出来他们就去清理白色垃圾，壮壮捡到36个饮料瓶，图图捡到的饮料瓶比壮壮的两倍还多6个，他们一共捡到多少个饮料瓶？

To protect the environment, start with me. When they come out of the supermarket, they go to clean up the white garbage. Zhuangzhuang picked up 36 beverage bottles. Tutu picked up 6 more beverage bottles than Zhuangzhuang twice. How many did they pick up in total? a drink bottle?

<gadget id="calculator">36 * 2</gadget>
<output>72</output>
<gadget id="calculator">72 + 6 + 36</gadget>
<output>114</output>
<result>114</result>


1000除以5的商的末尾有多少个0．

How many zeros are there at the end of the quotient of 1000 divided by 5?


幼儿园第一次花了90元钱买了5个皮球，照这样计算，第二次再多花72元钱，一共可以买几个皮球？

The kindergarten spent 90 yuan to buy 5 balls for the first time. According to this calculation, the second time will cost 72 yuan more. How many balls can you buy in total?

<gadget id="calculator">90 + 72</gadget>
<output>162</output>
<gadget id="calculator">90 / 5</gadget>
<output>18</output>
<gadget id="calculator">162 / 18</gadget>
<output>9</output>
<gadget id="calculator">9 + 5</gadget>
<output>14</output>
<result>14</result>


两地相距13千米，甲乙二人从两地同时出发相向而行，经过(4/3)小时相遇．甲每小时行5千米，乙每小时行多少千米？(用方程和算术方法解答)

The distance between the two places is 13 kilometers. A and B start from the two places at the same time and walk toward each other, and they meet after (4/3) hours. A travels 5 kilometers per hour, how many kilometers per hour does B travel? (Solve with equations and arithmetic methods)

<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>
<gadget id="calculator">5 * (4/3)</gadget>
<output>20/3 = around 6.666667</output>
<gadget id="calculator">13 - (20/3)</gadget>
<output>19/3 = around 6.333333</output>
<gadget id="calculator">(19/3) / (4/3)</gadget>
<output>19/4 = around 4.75</output>
<result>19/4 = around 4.75</result>


有500人报考的入学考试，录取了100人，录取者的平均成绩与未录取者的平均成绩相差42分，全体考生的平均成绩是51分，录取分数线比录取者的平均分少14.6分，那么录取分数线为多少．

There were 500 applicants for the entrance examination, and 100 people were admitted. The average score of the admitted students was 42 points different from the average score of the non-admitted students. The average score of all candidates was 51 points. The admission score was 14.6 points lower than the average score of the admitted students. So how much is the admission score.

<gadget id="calculator">42 * 100</gadget>
<output>4_200</output>
<gadget id="calculator">4_200 / 500</gadget>
<output>42/5 = around 8.4</output>
<gadget id="calculator">51 - (42/5)</gadget>
<output>213/5 = around 42.6</output>
<gadget id="calculator">(213/5) + 42</gadget>
<output>423/5 = around 84.6</output>
<gadget id="calculator">(423/5) - 14.6</gadget>
<output>70</output>
<result>70</result>


一艘客轮往返甲、乙两港，顺水速度是15千米/小时，逆水速度是的12千米/小时．现在甲港放一个木排顺水漂流到乙港，要用3天才能到达．那么，甲、乙两港的水路长多少千米．

A passenger ship travels between ports A and B with a speed of 15 km/h along the current and 12 km/h against the current. Now a wooden raft is placed in port A to float down the river to port B, and it will take 3 days to reach port B. Then, how long is the waterway between A and B ports in kilometers?

<gadget id="calculator">15 - 12</gadget>
<output>3</output>
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">(3/2) * 72</gadget>
<output>108</output>
<result>108</result>


将相同规格的书整齐地叠放在桌面上，如果4本书的高度为5厘米，再将16本这样的书叠在上面，那么这叠书的总高度是多少？

Stack books of the same size neatly on the table, if the height of 4 books is 5 cm, and then 16 such books are stacked on top, what is the total height of the stack of books?

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>
<gadget id="calculator">(5/4) * 4</gadget>
<output>5</output>
<gadget id="calculator">(5/4) * 16</gadget>
<output>20</output>
<gadget id="calculator">5 + 20</gadget>
<output>25</output>
<result>25</result>


一个等腰三角形的两边分别是4cm，8cm，它的周长是多少．

The two sides of an isosceles triangle are 4cm and 8cm respectively, what is its perimeter?

<gadget id="calculator">8 + 8 + 4</gadget>
<output>20</output>
<result>20</result>


农场有鸡72只，是鸭的3倍，鸡和鸭一共有多少只．

There are 72 chickens on the farm, three times as many as ducks. How many chickens and ducks are there altogether?

<gadget id="calculator">72 / 3</gadget>
<output>24</output>
<gadget id="calculator">24 + 72</gadget>
<output>96</output>
<result>96</result>


一个圆柱形量杯底面周长25.12cm，高10cm．把它装满水后，再倒入一个长10cm，宽4cm的长方体容器中，水深有多少米？

cylindrical measuring cup has a bottom circumference of 25.12 cm and a height of 10 cm. After filling it with water, pour it into a cuboid container with a length of 10cm and a width of 4cm. How deep is the water in meters?


被减数、减数、差三者的和是24，被减数是多少．

The sum of the minuend, the subtrahend and the difference is 24. What is the minuend?

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


一桶油连桶重52千克，用去油的一半，现在连桶重27千克，原来有油多少千克？

A barrel of oil weighs 52 kilograms, and half of the oil is used. Now the weight of the barrel is 27 kilograms. How many kilograms of oil were there in the past?

<gadget id="calculator">52 - 27</gadget>
<output>25</output>
<gadget id="calculator">25 * 2</gadget>
<output>50</output>
<result>50</result>


学校开设两个兴趣小组，三1班45人都报名参加了活动，其中28人参加书画小组，24人参加棋艺小组，两个小组都参加的有多少人

The school set up two interest groups. 45 people from class 3 and class 1 signed up for the activity. Among them, 28 people participated in the calligraphy and painting group, and 24 people participated in the chess group. How many people participated in both groups?

<gadget id="calculator">24 - 45</gadget>
<output>-21</output>
<gadget id="calculator">28 + (-21)</gadget>
<output>7</output>
<result>7</result>


下列分数中，等于(1/3)的是多少

Which of the following fractions is equal to (1/3)

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


修路队修一条公路，已经修好了64.8千米，没修的是已修的2.5倍，这条公路全长多少千米？

The road construction team has built a road, 64.8 kilometers have been repaired, and the number of unrepaired is 2.5 times that of the one that has been repaired. How many kilometers is the total length of this road?

<gadget id="calculator">64.8 * 2.5</gadget>
<output>162</output>
<gadget id="calculator">162 + 64.8</gadget>
<output>226.8</output>
<result>226.8</result>


<gadget id="calculator">5 / 59</gadget>
<output>5/59 = around 0.084746</output>
<result>5/59 = around 0.084746</result>


有5个人各拿一只桶同时到一只水龙头前接水．水龙头注满了5个人的桶所需时间分别为10秒、11秒、12秒、13秒、14秒．适当安排这5个人的接水顺序，可使每个人所需的时间的总和最短，问这个总费时至少是多少秒．

Five people each hold a bucket and go to a tap to collect water at the same time. It takes 10 seconds, 11 seconds, 12 seconds, 13 seconds, and 14 seconds for the faucet to fill the buckets of 5 people, respectively. Properly arranging the sequence of receiving water for these 5 people can make the sum of the time required by each person the shortest. Ask how many seconds the total time is at least.

<gadget id="calculator">10 * 5</gadget>
<output>50</output>
<gadget id="calculator">11 * 4</gadget>
<output>44</output>
<gadget id="calculator">12 * 3</gadget>
<output>36</output>
<gadget id="calculator">13 * 2</gadget>
<output>26</output>
<gadget id="calculator">14 * 1</gadget>
<output>14</output>
<gadget id="calculator">50 + 44 + 36 + 26 + 14</gadget>
<output>170</output>
<result>170</result>


直角三角形中，一个锐角40°，另一个锐角多少度？

In a right triangle, if one acute angle is 40°, how much is the other acute angle?

<gadget id="calculator">90 + 40</gadget>
<output>130</output>
<gadget id="calculator">180 - 130</gadget>
<output>50</output>
<result>50</result>


阿庭投篮的命中率高达七成，也就是他每投10个，可投进多少个．

A Ting's shooting percentage is as high as 70%, that is, how many shots he can make for every 10 shots.

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


小胖看见闪电后，过了5.2秒才听到雷声．已知雷声在空中传播的速度是0.33千米/秒．闪电的地方离小胖有多远？

After Xiaopang saw the lightning, it took 5.2 seconds before he heard the thunder. It is known that the speed of thunder in the air is 0.33 km/s. How far is the place of lightning from Xiaopang?

<gadget id="calculator">0.33 * 5.2</gadget>
<output>1.716</output>
<result>1.716</result>


街心公园内的一条路长350米，在这条路的两旁从头到尾等距离栽种美人蕉，共栽种美人蕉72棵，每两棵美人蕉相距多少米？

A road in the park in the middle of the street is 350 meters long. Cannas are planted at equal distances from the beginning to the end on both sides of the road. A total of 72 cannas are planted. How many meters are there between each two cannas?

<gadget id="calculator">72 / 2</gadget>
<output>36</output>
<gadget id="calculator">36 - 1</gadget>
<output>35</output>
<gadget id="calculator">350 / 35</gadget>
<output>10</output>
<result>10</result>


裤子价格是上衣的(3/7)，已知一条裤子120元，上衣的价格是多少元？

The price of the trousers is that of the jacket (3/7). It is known that a pair of trousers is 120 yuan. How much is the price of the jacket?

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>
<gadget id="calculator">120 / (3/7)</gadget>
<output>280</output>
<result>280</result>


一块长方形菜地，长7米，宽5米．小林围着菜地周围走两圈，小林一共走了多少米？

A rectangular vegetable field is 7 meters long and 5 meters wide. Xiao Lin walked around the vegetable field twice, how many meters did Xiao Lin walk in total?

<gadget id="calculator">7 + 5</gadget>
<output>12</output>
<gadget id="calculator">12 * 2 * 2</gadget>
<output>48</output>
<result>48</result>


承德市冬天室内最高温度是22℃，室外最低温度是-19℃，那么室内最高温度比室外最低温度高多少℃．

In winter, the highest indoor temperature in Chengde City is 22°C, and the lowest outdoor temperature is -19°C, so how much higher is the maximum indoor temperature than the lowest outdoor temperature?

<gadget id="calculator">22 - (-19)</gadget>
<output>41</output>
<result>41</result>


一种电视降价200元后，现在售价1800元，降价百分之几？

After the price of a TV is reduced by 200 yuan, it is now priced at 1,800 yuan. How much is the price cut?

<gadget id="calculator">200 + 1_800</gadget>
<output>2_000</output>
<gadget id="calculator">200 / 2_000</gadget>
<output>1/10 = around 0.1</output>
<result>1/10 = around 0.1</result>


王师傅用木条做了两个长8分米、宽5分米的镜框，共用了多长的木条？

Master Wang used wooden strips to make two frames with a length of 8 decimeters and a width of 5 decimeters. How long did the wooden strips share?

<gadget id="calculator">8 + 5</gadget>
<output>13</output>
<gadget id="calculator">13 * 2 * 2</gadget>
<output>52</output>
<result>52</result>


小明的父亲从美国寄回6200美元，如果按汇率1美元兑换人民币6.31元计算，李明到银行能兑换人民币多少元？

Xiao Ming's father sent back 6,200 US dollars from the United States. If the exchange rate is 6.31 yuan for 1 US dollar, how much RMB can Li Ming exchange at the bank?


王老师买3盆兰花共用去198元，买4盆翠菊216元，哪种花贵一些，贵多少元．

Teacher Wang bought 3 pots of orchids for 198 yuan and 4 pots of asters for 216 yuan. Which flower is more expensive and how much is it.

<gadget id="calculator">198 / 3</gadget>
<output>66</output>
<gadget id="calculator">216 / 4</gadget>
<output>54</output>
<gadget id="calculator">66 - 54</gadget>
<output>12</output>
<result>12</result>


做10件大人衣服比做8件儿童衣服多用布11.6米．每件儿童衣服用布1.8米，每件大人衣服用布多少米？

It takes 11.6 meters more cloth to make 10 adult clothes than to make 8 children's clothes. 1.8 meters of cloth is used for each piece of children's clothes, how many meters of cloth is used for each adult's clothes?

<gadget id="calculator">1.8 * 8</gadget>
<output>14.4</output>
<gadget id="calculator">14.4 + 11.6</gadget>
<output>26</output>
<gadget id="calculator">26 / 10</gadget>
<output>13/5 = around 2.6</output>
<result>13/5 = around 2.6</result>


一袋瓜子重500克，吃了总重量的20%，再吃余下重量的20%，还剩下瓜子多少克．

A bag of melon seeds weighs 500 grams, eat 20% of the total weight, and then eat the remaining 20%, how many grams of melon seeds are left.

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">500 * (1/5)</gadget>
<output>100</output>
<gadget id="calculator">500 - 100</gadget>
<output>400</output>
<gadget id="calculator">400 * (1/5)</gadget>
<output>80</output>
<gadget id="calculator">500 - 100 - 80</gadget>
<output>320</output>
<result>320</result>


用4辆载重相同的汽车一次可运送货物32吨．照这样计算，要一次运送72吨货物，需要几辆车？

32 tons of goods can be transported at one time with 4 cars with the same load. According to this calculation, how many vehicles are needed to transport 72 tons of goods at a time?

<gadget id="calculator">32 / 4</gadget>
<output>8</output>
<gadget id="calculator">72 / 8</gadget>
<output>9</output>
<result>9</result>


果园里种了9行桃树，种的苹果树的棵数是桃树的8倍，种了多少行苹果树？

There are 9 rows of peach trees planted in the orchard, and the number of apple trees planted is 8 times that of peach trees. How many rows of apple trees are planted?

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


一个长方体的棱长总和是56厘米，已知长是宽的2倍，宽是高的2倍，这个长方体的体积是多少？

The sum of the sides of a cuboid is 56 cm. It is known that the length is twice the width and the width is twice the height. What is the volume of this cuboid?

<gadget id="calculator">1 + 1 + 2</gadget>
<output>4</output>
<gadget id="calculator">32 / 4 / 4</gadget>
<output>2</output>
<gadget id="calculator">2 / 2</gadget>
<output>1</output>
<gadget id="calculator">2 * 2 * 2 * 1</gadget>
<output>8</output>
<result>8</result>


在青凤街的两边每隔3m栽1棵梧桐树，连头带尾一共要栽12棵，如果改为每隔5m栽1棵．一共要栽多少棵？

On both sides of Qingfeng Street, plant a sycamore tree every 3m, and a total of 12 trees will be planted including the head and tail. If it is changed to plant 1 tree every 5m. How many trees will be planted in total?

<gadget id="calculator">12 / 2</gadget>
<output>6</output>
<gadget id="calculator">6 - 1</gadget>
<output>5</output>
<gadget id="calculator">5 * 3</gadget>
<output>15</output>
<gadget id="calculator">15 / 5</gadget>
<output>3</output>
<gadget id="calculator">3 + 1</gadget>
<output>4</output>
<gadget id="calculator">4 * 2</gadget>
<output>8</output>
<result>8</result>


李兵家、张越家和学校都在宽敞、笔直的双庆路上，李兵家离学校有800米，张越家离学校有1000米，他们两家可能相距多少米？

Li Bing's house, Zhang Yue's house and the school are all on the spacious and straight Shuangqing Road. Li Bing's house is 800 meters away from the school, and Zhang Yue's house is 1,000 meters away from the school. How many meters may the two families be apart?

<gadget id="calculator">1_000 + 800</gadget>
<output>1_800</output>
<result>1_800</result>


有一个三位数，数字和是18，十位数字比百位数字少5，如果将百位数字与个位数字对调，所得的新数比原数小99．原来的三位数是多少．

There is a three-digit number, the sum of the numbers is 18, the tens digit is 5 less than the hundreds digit, if the hundreds digit and the ones digit are reversed, the new number obtained is 99 less than the original number. What is the original three-digit number?


一张桌子62元，比一把椅子贵34元，买一套桌椅多少元．

A table is 62 yuan, which is 34 yuan more expensive than a chair. How much is it to buy a set of tables and chairs?

<gadget id="calculator">62 - 34</gadget>
<output>28</output>
<gadget id="calculator">28 + 62</gadget>
<output>90</output>
<result>90</result>


有一个近似的圆锥形沙堆，量得底面直径是6m，高1.5m，现把它全部装在一个底面积是28.26平方米圆柱形容器里，可以堆多高？

There is an approximate conical sand pile, the diameter of the bottom surface is 6m, and the height is 1.5m. Now put it all in a cylindrical container with a bottom area of 28.26 square meters. How high can the pile be?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">6 / 2</gadget>
<output>3</output>
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>
<gadget id="calculator">1.5 / 28.26</gadget>
<output>0.053079</output>
<gadget id="calculator">(1/3) * 3.14 * 9 * 0.053079</gadget>
<output>0.500004</output>
<result>0.500004</result>


张伯伯家里的菜地共800平方米，他准备用菜地的(3/16)种西红柿，剩下的菜地种黄瓜和茄子，种黄瓜的面积与种茄子的面积之比为8：5，种黄瓜的面积是多少平方米？

Uncle Zhang’s vegetable field is 800 square meters in total. He plans to use (3/16) of the vegetable field to grow tomatoes, and the rest of the vegetable field to grow cucumbers and eggplants. The ratio of the area for cucumbers to the area for eggplants is 8:5 , How many square meters is the area for growing cucumbers?

<gadget id="calculator">3 / 16</gadget>
<output>3/16 = around 0.1875</output>
<gadget id="calculator">1 - (3/16)</gadget>
<output>13/16 = around 0.8125</output>
<gadget id="calculator">8 + 5</gadget>
<output>13</output>
<gadget id="calculator">8 / 13</gadget>
<output>8/13 = around 0.615385</output>
<gadget id="calculator">800 * (13/16) * (8/13)</gadget>
<output>400</output>
<result>400</result>


对于两个数a和b；定义一种新运算"a*b=2a+b/a"，则(2*4)*12=多少．

For two numbers a and b; define a new operation "a*b=2a+b/a", then (2*4)*12=how much.

<gadget id="calculator">2 * 2</gadget>
<output>4</output>
<gadget id="calculator">4 / 2</gadget>
<output>2</output>
<gadget id="calculator">4 + 2</gadget>
<output>6</output>
<gadget id="calculator">2 * 6</gadget>
<output>12</output>
<gadget id="calculator">12 / 6</gadget>
<output>2</output>
<gadget id="calculator">12 + 2</gadget>
<output>14</output>
<result>14</result>


在边长为80厘米的正方形桌面上铺台布，四周台布都垂荡下10厘米，台布的面积是多少．

Spread a tablecloth on a square table with a side length of 80 cm, and the tablecloth hangs down 10 cm on all sides, what is the area of the tablecloth?

<gadget id="calculator">80 + 20</gadget>
<output>100</output>
<gadget id="calculator">100 * 100</gadget>
<output>10_000</output>
<result>10_000</result>


每个书架有6层，平均每层125本，共8个书架，这个图书室一共有(多少)本书．

Each bookshelf has 6 floors, with an average of 125 books per floor, and a total of 8 bookshelves. There are (how many) books in this library.

<gadget id="calculator">125 * 6 * 8</gadget>
<output>6_000</output>
<result>6_000</result>


一个直角三角形的两条直角边分别是3cm、4cm，这个三角形的面积是多少cm**2．

The two sides of a right triangle are 3cm and 4cm respectively, what is the area of the triangle in cm**2.

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


东东骑自行车从甲地去乙地．如果速度增加20%，就提前25分钟到；如果先行1000米，再加速20%就早15分钟到．求甲、乙两地相距多少米？

Dongdong rides a bicycle from A to B. If the speed increases by 20%, you will arrive 25 minutes earlier; if you go 1000 meters first, and then accelerate 20%, you will arrive 15 minutes earlier. What is the distance between A and B in meters?

<gadget id="calculator">30 / 0.2</gadget>
<output>150</output>
<gadget id="calculator">18 / 0.2</gadget>
<output>90</output>
<gadget id="calculator">150 - 90</gadget>
<output>60</output>
<gadget id="calculator">1_000 / 60</gadget>
<output>50/3 = around 16.666667</output>
<gadget id="calculator">(50/3) * 150</gadget>
<output>2_500</output>
<result>2_500</result>


在/9=23…中，被除数最大能填多少．

In /9=23..., what is the maximum number that can be filled in the dividend.

<gadget id="calculator">23 * 9</gadget>
<output>207</output>
<gadget id="calculator">9 - 1</gadget>
<output>8</output>
<gadget id="calculator">207 + 8</gadget>
<output>215</output>
<result>215</result>


小明今年的年龄是爸爸的(1/4)，爸爸今年36岁，小明今年几岁？

Xiao Ming's age this year is that of his father (1/4), and his father is 36 years old this year. How old is Xiao Ming this year?

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


408*5的积中有多少个0．

How many 0s are there in the product of 408*5?


祖父年龄70岁，长孙20岁，次孙13岁，幼孙7岁，问多少年后，三个孙子的年龄之和与祖父的年龄相等？

The grandfather is 70 years old, the eldest grandson is 20 years old, the second grandson is 13 years old, and the youngest grandson is 7 years old. How many years later will the sum of the ages of the three grandsons be equal to the age of the grandfather?

<gadget id="calculator">70 - 20 - 13 - 7</gadget>
<output>30</output>
<gadget id="calculator">1 - 1</gadget>
<output>0</output>
<gadget id="calculator">1 + 1 + 0</gadget>
<output>2</output>
<gadget id="calculator">30 / 2</gadget>
<output>15</output>
<result>15</result>


等腰三角形的周长是70厘米，一条腰与底边长度的比是3：4，这个三角形的底边是多少厘米．

The perimeter of an isosceles triangle is 70 cm, and the ratio of the length of one side to the base is 3:4. What is the base of the triangle in cm?

<gadget id="calculator">3 + 3 + 4</gadget>
<output>10</output>
<gadget id="calculator">4 / 10</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">70 * (2/5)</gadget>
<output>28</output>
<result>28</result>


小明在计算(25+a)*3时，错算成了25+a*3，这样与原来的得数相差多少．

When Xiao Ming calculated (25+a)*3, he miscalculated as 25+a*3, so how much is the difference from the original result.

<gadget id="calculator">50 + 0</gadget>
<output>50</output>
<result>50</result>


一台电脑原价4800元，现在降价(1/8)出售，现在是多少元？

The original price of a computer is 4800 yuan, but now it is sold at a reduced price (1/8), how much is it now?

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>
<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</output>
<gadget id="calculator">4_800 * (7/8)</gadget>
<output>4_200</output>
<result>4_200</result>


一个正方体的表面积是24m**2，如果棱长增加1m，体积就增加多少m**2．

The surface area of a cube is 24m**2, if the edge length increases by 1m, the volume will increase by how much m**2.

<gadget id="calculator">2 + 1</gadget>
<output>3</output>
<gadget id="calculator">3 * 3 * 3</gadget>
<output>27</output>
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>
<gadget id="calculator">27 - 8</gadget>
<output>19</output>
<result>19</result>


一批零件有600个，第一天完成了全部的30%，第二天完成了全部的(1/6)．还剩多少个零件未完成？

There are 600 parts in a batch, 30% of all parts are completed on the first day, and all (1/6) are completed on the second day. How many parts are left unfinished?


一个数比325的3%大0.25，求这个数．

Find a number that is 0.25 greater than 3% of 325.

<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>
<gadget id="calculator">325 * (3/100)</gadget>
<output>39/4 = around 9.75</output>
<gadget id="calculator">(39/4) + 0.25</gadget>
<output>10</output>
<result>10</result>


一间教室的宽是6.5米，长是宽的2.5倍，这个教室的面积是多少平方米？

The width of a classroom is 6.5 meters, and the length is 2.5 times the width. What is the area of the classroom in square meters?

<gadget id="calculator">6.5 * 2.5</gadget>
<output>16.25</output>
<gadget id="calculator">16.25 * 6.5</gadget>
<output>105.625</output>
<result>105.625</result>


□/△=9…4，被除数最小是多少．

<gadget id="calculator">4 + 1</gadget>
<output>5</output>
<gadget id="calculator">9 * 5</gadget>
<output>45</output>
<gadget id="calculator">45 + 4</gadget>
<output>49</output>
<result>49</result>


一个长方形花坛，长3米，是宽的1.5倍，里面种着30棵月季，平均每棵月季占地多少平方米？

A rectangular flower bed is 3 meters long and 1.5 times the width. There are 30 roses planted in it. How many square meters does each rose occupy on average?

<gadget id="calculator">3 / 1.5</gadget>
<output>2</output>
<gadget id="calculator">2 / 30</gadget>
<output>1/15 = around 0.066667</output>
<gadget id="calculator">3 * (1/15)</gadget>
<output>1/5 = around 0.2</output>
<result>1/5 = around 0.2</result>


某玩具厂生产一批玩具，上半月完成计划的(3/5)下半月完计划的(5/8)这个玩具厂全月超额完成计划几分之几？

toy factory produces a batch of toys. The first half of the month (3/5) completed the plan and the second half of the month (5/8) the toy factory overfulfilled the plan by what percentage?

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>
<gadget id="calculator">(5/8) - 1</gadget>
<output>-3/8 = around -0.375</output>
<gadget id="calculator">(3/5) + (-3/8)</gadget>
<output>9/40 = around 0.225</output>
<result>9/40 = around 0.225</result>


比45的(2/5)多9的数是多少

What is the number 9 more than (2/5) of 45

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">45 * (2/5)</gadget>
<output>18</output>
<gadget id="calculator">18 + 9</gadget>
<output>27</output>
<result>27</result>


用120cm的铁丝做一个长方体的框架，其长、宽、高的比是3：2：1，要将这个框架糊上彩纸做教具，至少需要多少平方厘米彩纸？(接头处忽略不计)

Use 120cm iron wire to make a rectangular parallelepiped frame, and the ratio of its length, width, and height is 3:2:1. To paste this frame with colored paper as a teaching aid, how many square centimeters of colored paper are needed? (neglected at joints)

<gadget id="calculator">120 / 4</gadget>
<output>30</output>
<gadget id="calculator">3 + 2 + 1</gadget>
<output>6</output>
<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">30 * (1/2)</gadget>
<output>15</output>
<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">30 * (1/3)</gadget>
<output>10</output>
<gadget id="calculator">15 * 10</gadget>
<output>150</output>
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>
<gadget id="calculator">30 * (1/6)</gadget>
<output>5</output>
<gadget id="calculator">15 * 5</gadget>
<output>75</output>
<gadget id="calculator">10 * 5</gadget>
<output>50</output>
<gadget id="calculator">150 + 75 + 50</gadget>
<output>275</output>
<gadget id="calculator">275 * 2</gadget>
<output>550</output>
<result>550</result>


在一条20米长的绳子挂气球，从一端起，每隔5米挂一个气球，一共可以挂多少气球？

How many balloons can be hung in total by hanging balloons on a 20-meter-long rope, and hanging one balloon every 5 meters from one end?

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


修一条公路，已修的是未修的(3/4)．已经修了120米，这条路全长多少米？

To build a road, what has been repaired is not repaired (3/4). 120 meters have been repaired, how many meters is the total length of this road?

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>
<gadget id="calculator">120 / (3/4)</gadget>
<output>160</output>
<gadget id="calculator">160 + 120</gadget>
<output>280</output>
<result>280</result>


水果店有一批橘子，卖了245千克，又运来72千克，这时水果店里共有橘子478千克．水果店原来有橘子多少千克？

There is a batch of oranges in the fruit shop, 245 kg are sold, and 72 kg are shipped in. At this time, there are 478 kg of oranges in the fruit shop. How many kilograms of oranges did the fruit shop have?

<gadget id="calculator">478 - 72</gadget>
<output>406</output>
<gadget id="calculator">406 + 245</gadget>
<output>651</output>
<result>651</result>


七月份是国贸商场的酬宾活动月，所有商品八折出售；八月份，该商场又举行换季降价活动，所有夏季的服装按七月份的价格五折出售，一套夏季套裙原价298元，八月份买比六月份买要便宜多少元？

July is the month of rewarding activities in China World Shopping Mall, and all products are sold at a 20% discount; in August, the mall also holds a seasonal price reduction event, and all summer clothes are sold at a 50% discount on the price in July. The original price of a summer skirt is 298 yuan. How much cheaper is it to buy than to buy in June?

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>
<gadget id="calculator">(4/5) * (1/2)</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>
<gadget id="calculator">298 * (3/5)</gadget>
<output>894/5 = around 178.8</output>
<result>894/5 = around 178.8</result>


把2个完全一样的正方体拼成一个长方体，表面积减少了24cm**2，这个长方体的表面积是多少cm**2．

Putting together two identical cubes into a cuboid, the surface area is reduced by 24cm**2, what is the surface area of the cuboid in cm**2?

<gadget id="calculator">24 / 2</gadget>
<output>12</output>
<gadget id="calculator">12 - 2</gadget>
<output>10</output>
<gadget id="calculator">10 * 12</gadget>
<output>120</output>
<result>120</result>


把(3/7)米的铁丝平均分成3份，每份是多少米．

Divide (3/7) meters of iron wire into 3 parts on average, how many meters is each part?

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


从写有1～6的6张卡片中任抽一张，抽到是2的可能性是多少

Draw any one of the six cards with 1 to 6 on it, what is the probability of getting a 2?

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


加工一批零件，李师傅单独做(1/4)小时可以完成，王师傅单独做(1/5)小时可以完成．如果二人合作，多少小时可以完成？

To process a batch of parts, Master Li can complete (1/4) hour alone, and Master Wang can complete (1/5) hour alone. How many hours can it be done if two people work together?

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>
<gadget id="calculator">1 / (1/4)</gadget>
<output>4</output>
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 / (1/5)</gadget>
<output>5</output>
<gadget id="calculator">4 + 5</gadget>
<output>9</output>
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>
<result>1/9 = around 0.111111</result>


田园小区的游泳池是一个长方体，长50米，宽30米，深20分米，在游泳池的各个面上抹一层水泥，抹水泥的面积是多少平方米．

The swimming pool in the Tianyuan Community is a cuboid, 50 meters long, 30 meters wide, and 20 decimeters deep. A layer of cement is applied to each surface of the swimming pool. What is the area of the cement in square meters?

<gadget id="calculator">50 * 30</gadget>
<output>1_500</output>
<gadget id="calculator">20 / 10</gadget>
<output>2</output>
<gadget id="calculator">50 * 2</gadget>
<output>100</output>
<gadget id="calculator">30 * 2</gadget>
<output>60</output>
<gadget id="calculator">100 + 60</gadget>
<output>160</output>
<gadget id="calculator">160 * 2</gadget>
<output>320</output>
<gadget id="calculator">1_500 + 320</gadget>
<output>1_820</output>
<result>1_820</result>


小华家住一幢楼的5楼，一位民工住这幢楼的负2楼，如果每两层楼之间有36级台阶．这位民工从住处到小华家要多少级台阶．

Xiaohua lives on the fifth floor of a building, and a migrant worker lives on the second floor of this building. If there are 36 steps between every two floors. How many steps does this migrant worker need to go from his residence to Xiaohua's house?

<gadget id="calculator">2 - 1</gadget>
<output>1</output>
<gadget id="calculator">5 + 1</gadget>
<output>6</output>
<gadget id="calculator">36 * 6</gadget>
<output>216</output>
<result>216</result>


某项工程实际投资75万元，比计划省5万元，节省百分之几？

The actual investment of a certain project is 750,000 yuan, which is 50,000 yuan less than the plan. What percentage is the savings?

<gadget id="calculator">75 + 5</gadget>
<output>80</output>
<gadget id="calculator">5 / 80</gadget>
<output>1/16 = around 0.0625</output>
<result>1/16 = around 0.0625</result>


有一个长方体，长70里，宽50厘米，高45厘米，如果要切成同样大的小正方体，这些小正方体的棱长最长可以是多少厘米？

There is a cuboid with a length of 70 miles, a width of 50 centimeters and a height of 45 centimeters. If it is to be cut into small cubes of the same size, what is the longest side length of these small cubes?


水果店有10箱苹果，如果从每箱中取出30千克，10个箱子里剩下总重量正好是原来4箱苹果的总重量．原来每箱苹果重多少千克．

There are 10 boxes of apples in the fruit shop. If 30 kilograms are taken out of each box, the total weight of the remaining 10 boxes is exactly the total weight of the original 4 boxes of apples. How many kilograms does each box of apples weigh?

<gadget id="calculator">30 * 10</gadget>
<output>300</output>
<gadget id="calculator">10 - 4</gadget>
<output>6</output>
<gadget id="calculator">300 / 6</gadget>
<output>50</output>
<result>50</result>


修一条公路，长1000米，甲队已经修了这条路的(2/5)，剩下的由乙队修，乙队修多少米？

A road is built with a length of 1000 meters. Team A has already built (2/5) of this road, and the rest will be repaired by team B. How many meters will team B build?

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>
<gadget id="calculator">1_000 * (2/5)</gadget>
<output>400</output>
<gadget id="calculator">1_000 - 400</gadget>
<output>600</output>
<result>600</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">3 / 2</gadget>
<output>3/2 = around 1.5</output>
<gadget id="calculator">(3/2) * (3/2)</gadget>
<output>9/4 = around 2.25</output>
<result>9/4 = around 2.25</result>


同学们去春游，车上已经坐了45人，还有4个小组在等下一辆车，每组9人．去春游的一共有多少人？

The students went to the spring outing, and there were already 45 people in the car, and there were 4 groups waiting for the next car, with 9 people in each group. How many people went to the spring outing?

<gadget id="calculator">4 * 9</gadget>
<output>36</output>
<gadget id="calculator">45 + 36</gadget>
<output>81</output>
<result>81</result>


加工一批零件，原计划每天生产24个，8天可完成这批零件的(1/3)，如果工作效率每天提高20%，可多少天完成任务？

Processing a batch of parts, the original plan is to produce 24 parts per day, and (1/3) of this batch of parts can be completed in 8 days. If the work efficiency is increased by 20% every day, how many days can the task be completed?

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>
<gadget id="calculator">8 / (1/3)</gadget>
<output>24</output>
<gadget id="calculator">24 * 24</gadget>
<output>576</output>
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>
<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>
<gadget id="calculator">24 * (6/5)</gadget>
<output>144/5 = around 28.8</output>
<gadget id="calculator">576 / (144/5)</gadget>
<output>20</output>
<result>20</result>


9时整，时针和分针所成的角度是多少°

At 9 o'clock, what is the angle formed by the hour and minute hands?

<gadget id="calculator">360 / 60</gadget>
<output>6</output>
<gadget id="calculator">6 * 15</gadget>
<output>90</output>
<result>90</result>


元旦联欢会上，学校为各班获得幸运奖的同学买了822个玩具狗做礼物，已经送出去654个，剩下的要分给12个班，平均每班分得多少个？

At the New Year's Gala, the school bought 822 toy dogs as gifts for the students who won the lucky prizes in each class. 654 of them have been given away, and the rest will be distributed to 12 classes. How many dolls do each class get on average?

<gadget id="calculator">822 - 654</gadget>
<output>168</output>
<gadget id="calculator">168 / 12</gadget>
<output>14</output>
<result>14</result>


一个表面积是54平方厘米的正方体，它的棱长是多少厘米．

What is the length of a side of a cube with a surface area of 54 square centimeters?


把一张边长为40厘米的正方形纸片剪成5张同样大的长方形纸片．每张长方形纸片的周长是多少厘米？

Cut a square paper with a side length of 40 cm into 5 rectangular papers of the same size. What is the perimeter of each rectangle in centimeters?

<gadget id="calculator">40 / 5</gadget>
<output>8</output>
<gadget id="calculator">40 + 8</gadget>
<output>48</output>
<gadget id="calculator">48 * 2</gadget>
<output>96</output>
<result>96</result>


一个正方体的棱长是7厘米，它的棱长总和是多少厘米．

If the side length of a cube is 7 cm, what is the sum of its side lengths in cm?

<gadget id="calculator">7 * 12</gadget>
<output>84</output>
<result>84</result>