If 5 frogs catch 5 pests in 5 minutes, how many pests can be caught by 10 frogs in 10 minutes?
5只青蛙5分钟捕害虫5只，照这样计算，10只青蛙10分钟捕害虫多少只．
<gadget id="calculator">5 / 5 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) * 10 * 10</gadget>
<output>20</output>

<result>20</result>