The garment processing factory has to make 980 sets of clothes, and 320 sets have been made. If the rest of the clothes take 6 days to finish, how many sets do you make on average per day?
服装加工厂要做980套衣服，已经做了320套．如果剩下的衣服要6天做完，平均每天要做多少套？
<gadget id="calculator">980 - 320</gadget>
<output>660</output>

<gadget id="calculator">660 / 6</gadget>
<output>110</output>

<result>110</result>