Master Zhang plans to process a batch of parts in 24 days. Due to the improved operation method, the actual processing is 20% more than the original plan every day. In this way, the task can be completed a few days earlier? (Solve with ratio)
张师傅计划24天加工完一批零件，由于改进操作方法，实际每天比原计划多加工20%，这样可以提前几天完成任务？(用比例解)
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(5/6) * 24</gadget>
<output>20</output>

<gadget id="calculator">24 - 20</gadget>
<output>4</output>

<result>4</result>