The garment factory plans to make 750 sets of clothing, but has already made 390 sets, and the rest will be completed within 6 days. How many sets are made on average per day?
服装厂计划做750套服装，已经做了390套，剩下的要在6天内完成，平均每天做多少套？
<gadget id="calculator">750 - 390</gadget>
<output>360</output>

<gadget id="calculator">360 / 6</gadget>
<output>60</output>

<result>60</result>