A children's clothing factory wants to produce a batch of children's clothing. It originally planned to produce 220 sets per day and complete the task in 30 days. The actual daily production of children's clothing is 1.2 times the original plan. How many days can the task be completed in advance?
某童装厂要生产一批童装，原计划每天生产220套，30天完成任务，实际每天生产的童装是原计划的1.2倍，问可以提前几天完成任务？
<gadget id="calculator">220 * 1.2</gadget>
<output>264</output>

<gadget id="calculator">30 / 264</gadget>
<output>5/44 = around 0.113636</output>

<gadget id="calculator">220 * (5/44)</gadget>
<output>25</output>

<gadget id="calculator">30 - 25</gadget>
<output>5</output>

<result>5</result>