An engineering team plans to build a road. It plans to build 0.75 kilometers per day, and it can be completed in 12 days. Because the number of workers is reduced, it is 0.15 kilometers less than planned every day. How many days can it be completed?
一个工程队计划修一条公路，计划每天修0.75千米，12天可以完成，因为工作人员减少，每天比计划少修0.15千米，多少天可以完成？
<gadget id="calculator">0.75 - 0.15</gadget>
<output>0.6</output>

<gadget id="calculator">12 / 0.6</gadget>
<output>20</output>

<gadget id="calculator">0.75 * 20</gadget>
<output>15</output>

<result>15</result>