Master Wang and his 3 apprentices processed parts together, and processed a total of 768 parts in 8 hours. How many parts per person per hour on average?
王师傅和他的3个徒弟一起加工零件，8小时共加工了768个零件，平均每人每小时加工多少个零件？
<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">768 / 4 / 8</gadget>
<output>24</output>

<result>24</result>