Master Wang and Master Zhang processed a total of 720 parts in 8 hours. How many parts do they process per hour on average?
王师傅和张师傅8小时共加工零件720个，他们平均每人每小时加工多少个零件？
<gadget id="calculator">720 / 8 / 2</gadget>
<output>45</output>

<result>45</result>