If 2 cats catch 2 mice in 2 days, how many mice can 10 cats catch in 10 days?
2只猫2天逮了2只老鼠，照这样计算10只猫10天能逮多少只老鼠．
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">2 * 5 * 5</gadget>
<output>50</output>

<result>50</result>