A farm tool factory processes a batch of parts and components. It originally planned to process 360 parts per day, and it took 18 days to complete. In fact, it processed 72 more parts per day. According to this calculation, how many days in advance can the production task be completed?
某农具厂加工一批零件和，原计划每天加工360个，18天完成，实际每天多加工72个，照这样计算，提前几天就能完成生产任务？
<gadget id="calculator">360 + 72</gadget>
<output>432</output>

<gadget id="calculator">18 / 432</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">360 * (1/24)</gadget>
<output>15</output>

<gadget id="calculator">18 - 15</gadget>
<output>3</output>

<result>3</result>