There are 24 pomegranates in three plates. If you take 5 pomegranates from the first plate to the second plate, and then take 7 pomegranates from the second plate to the third plate, then the number of pomegranates in the three plates is equal. How many pomegranates were there in the second plate?
三个盘子共有24个石榴．如果从第一个盘子里拿5个石榴到第二个盘子里，再从第二个盘子里拿7个石榴到第三个盘子里，这时三个盘子里石榴的个数相等．第二个盘子里原来有石榴多少个．
<gadget id="calculator">24 / 3</gadget>
<output>8</output>

<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">3 + 7</gadget>
<output>10</output>

<result>10</result>