From 7 o'clock to 11 o'clock, Master Wang processed a total of 360 parts, how many parts does he process per hour on average.
从7时到11时，王师傅共加工了360个零件，他平均每小时加工多少个零件．
<gadget id="calculator">11 - 7</gadget>
<output>4</output>

<gadget id="calculator">360 / 4</gadget>
<output>90</output>

<result>90</result>