From 2:00 p.m. to 5:00 p.m., Master Li processed a total of 486 parts. How many parts are processed per hour on average?
李师傅从下午2时到5时，李师傅共加工486个零件，平均每小时加工多少个零件？
<gadget id="calculator">17 - 14</gadget>
<output>3</output>

<gadget id="calculator">486 / 3</gadget>
<output>162</output>

<result>162</result>