A batch of 120 machine parts, Uncle Li processed 6.5 hours and left 29 parts, how many parts does Uncle Li process per hour on average?
一批机器零件120个，李叔叔加工了6.5小时后还剩29个，李叔叔平均每小时加工多少个零件？
<gadget id="calculator">120 - 29</gadget>
<output>91</output>

<gadget id="calculator">91 / 6.5</gadget>
<output>14</output>

<result>14</result>