Li Ning Garment Factory plans to make 760 sets of sportswear, and has been doing it for 5 days, with an average of 80 sets per day. The rest will take 4 days to finish, how many sets should be done on average per day?
李宁服装厂计划做760套运动服，已经做了5天，平均每天做80套．剩下的要4天做完，平均每天应做多少套？
<gadget id="calculator">80 * 5</gadget>
<output>400</output>

<gadget id="calculator">760 - 400</gadget>
<output>360</output>

<gadget id="calculator">360 / 4</gadget>
<output>90</output>

<result>90</result>