To level a piece of land, it was originally planned to level 0.6 hectares per day, and the task can be completed in 12 days. The actual leveling is 0.2 hectares more than the original plan per day. How many days can the task be completed?
平整一块土地，原来打算每天平整0.6公顷，12天可以完成任务，实际每天比原计划多平整0.2公顷，实际多少天可以完成任务？
<gadget id="calculator">0.6 + 0.2</gadget>
<output>0.8</output>

<gadget id="calculator">12 / 0.8</gadget>
<output>15</output>

<gadget id="calculator">0.6 * 15</gadget>
<output>9</output>

<result>9</result>