There are 37 balls in set A and 23 balls in set B. How many balls need to be taken from plate A and put into plate B so that the ratio of balls in plate A and plate B is 8:7?
甲盘中有37个球，乙盘中有23个球．要使甲、乙两个盘子中球的个数比是8：7，需从甲盘中拿出多少个球放入乙盘？
<gadget id="calculator">37 + 23</gadget>
<output>60</output>

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

<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">60 * (8/15)</gadget>
<output>32</output>

<gadget id="calculator">37 - 32</gadget>
<output>5</output>

<result>5</result>