Yanhong Garment Factory needs to produce 3,600 down jackets and plans to finish them in 12 days. Actually, 60 more pieces are made every day than the original plan. How many days did it actually take to complete the production task?
艳红服装厂要制作3600件羽绒服，计划12天做完．实际每天比原计划多做60件．完成制作任务实际用了多少天？
<gadget id="calculator">3_600 / 12</gadget>
<output>300</output>

<gadget id="calculator">300 + 60</gadget>
<output>360</output>

<gadget id="calculator">3_600 / 360</gadget>
<output>10</output>

<result>10</result>