The engineering team dug a tunnel. It was originally planned to dig 0.6 kilometers per day, which could be completed in 16 days. The actual digging was 0.8 kilometers per day. How many days did it take?
工程队挖一条隧道，原计划每天挖0.6千米，16天可以完成，实际每天挖0.8千米，实际多少天挖完？
<gadget id="calculator">16 * 0.6</gadget>
<output>9.6</output>

<gadget id="calculator">9.6 / 0.8</gadget>
<output>12</output>

<result>12</result>