garment factory wanted to process a batch of children's clothing, and processed 12% of the total in three days. According to this calculation, how many days will it take for the remaining costumes to be completed?
某服装厂要加工一批童装，三天加工了总数的12%．照这样计算，剩下的服装还要多少天才能完成？
<gadget id="calculator">12 / 100</gadget>
<output>3/25 = around 0.12</output>

<gadget id="calculator">3 / (3/25)</gadget>
<output>25</output>

<gadget id="calculator">25 - 3</gadget>
<output>22</output>

<result>22</result>