In order to improve traffic and facilitate residents, the government will repair a 540-meter-long road. It was originally planned to be completed in 15 days, but it was actually completed 3 days ahead of schedule. How many meters are actually repaired per day?
为了改善交通，方便居民，政府将维修一条540米长的路，原计划15天修完，实际提前3天修完，实际每天修多少米？
<gadget id="calculator">15 - 3</gadget>
<output>12</output>

<gadget id="calculator">540 / 12</gadget>
<output>45</output>

<result>45</result>