3 people in a workshop process a total of 480 parts in 8 hours, how many parts per person per hour on average?
某车间3人8小时共加工零件480个，平均每人每小时加工零件多少个？
<gadget id="calculator">480 / 3 / 8</gadget>
<output>20</output>

<result>20</result>