The master worker wants to repair a canal. The original plan is to repair 0.45 kilometers per day, and it will be completed in 30 days. The actual daily work efficiency is 1.2 times the original plan. How many days will it actually take to complete this task?
工人师傅要修一条水渠，原计划每天修0.45千米，30天完成，实际每天的工作效率是原计划的1.2倍，完成这项任务，实际需要多少天？
<gadget id="calculator">0.45 * 1.2</gadget>
<output>0.54</output>

<gadget id="calculator">30 / 0.54</gadget>
<output>55.555556</output>

<gadget id="calculator">0.45 * 55.555556</gadget>
<output>25</output>

<result>25</result>