A garment factory received an order for 660 suits and agreed to complete it within 8 days. In the first 3 days, an average of 75 sets were processed every day. How many sets should be processed at least every day for the rest?
某服装厂接到660套西服的订单，约定8天完成．前3天平均每天加工75套．剩下的每天至少要加工多少套？
<gadget id="calculator">3 * 75</gadget>
<output>225</output>

<gadget id="calculator">660 - 225</gadget>
<output>435</output>

<gadget id="calculator">8 - 3</gadget>
<output>5</output>

<gadget id="calculator">435 / 5</gadget>
<output>87</output>

<result>87</result>