The engineering team needs to repair and process 360 parts, a total of 120 parts will be processed in the first 4 days, and the rest will be processed within 3 days. How many parts are added per day on average?
工程队要修加工360个零件，头4天共加工120个，剩下的要在3天内加工完，平均每天加式多少个？
<gadget id="calculator">360 - 120</gadget>
<output>240</output>

<gadget id="calculator">240 / 3</gadget>
<output>80</output>

<result>80</result>