The master processes 50 parts per hour, and the apprentice processes 288 parts in 8 hours. How many parts does the apprentice process less than the master per hour on average?
师傅每小时加工50个零件，徒弟8小时加工288个零件．徒弟平均每时比师傅少加工多少个零件？
<gadget id="calculator">288 / 8</gadget>
<output>36</output>

<gadget id="calculator">50 - 36</gadget>
<output>14</output>

<result>14</result>