Master Li went to work at the factory at 9:00 a.m. and left at 5:00 p.m., processing a total of 816 parts. How many parts does Master Li process per hour?
李师傅早上9时到工厂上班，下午5时下班，一共加工816个零件．李师傅平均每小时加工零件多少个？
<gadget id="calculator">17 - 9</gadget>
<output>8</output>

<gadget id="calculator">816 / 8</gadget>
<output>102</output>

<result>102</result>