A toy factory needs to produce 216 boxes of toys within 10 days, 20 boxes per day for the first 6 days, and the average number of boxes per day for the rest to complete the task on time.
某玩具厂要在10天内生产216箱玩具，前6天每天生产20箱，余下的平均每天要生产多少箱才能按时完成任务．
<gadget id="calculator">20 * 6</gadget>
<output>120</output>

<gadget id="calculator">216 - 120</gadget>
<output>96</output>

<gadget id="calculator">10 - 6</gadget>
<output>4</output>

<gadget id="calculator">96 / 4</gadget>
<output>24</output>

<result>24</result>