Workers go to work at 8:30 in the morning and get off work at 4:30 in the afternoon. A total of 96 parts are made during working hours, how many parts are made per hour on average?
工人师傅上午8时半上班，下午4时半下班．工作时间内共做96个零件，平均每小时做多少个零件？
<gadget id="calculator">96 / 8</gadget>
<output>12</output>

<result>12</result>