The engineering team is going to build a canal with a total length of 4.8 kilometers, which is planned to be completed in 15 days. The actual repair is 0.08 kilometers more than the original plan every day. How many days did the task actually be completed?
工程队要修一条全长4.8千米的水渠，计划用15天完成．实际每天比原计划多修0.08千米，实际多少天就完成了任务？
<gadget id="calculator">4.8 / 15</gadget>
<output>0.32</output>

<gadget id="calculator">0.32 + 0.08</gadget>
<output>0.4</output>

<gadget id="calculator">4.8 / 0.4</gadget>
<output>12</output>

<result>12</result>