A worker makes 5 parts in one day. According to this calculation, how many parts can 5 workers make in 8 days.
一个工人一天做5个零件，照这样计算，5个工人8天能做多少个零件．
<gadget id="calculator">5 * 5 * 8</gadget>
<output>200</output>

<result>200</result>