A workshop plans to produce 3600 parts, but has already produced 2400. The rest will be finished within 4 days, how many will be produced on average per day?
某车间计划生产3600个零件，已经生产了2400个．剩下的要在4天内完成，平均每天要生产多少个？
<gadget id="calculator">3_600 - 2_400</gadget>
<output>1_200</output>

<gadget id="calculator">1_200 / 4</gadget>
<output>300</output>

<result>300</result>