To build a road, the plan is to build 60 meters per day, but the actual repair is 15 meters more than the plan every day, and the result is completed 3 days ahead of schedule. How long is this road in meters?
修一条公路，计划每天修60米，实际每天比计划多修15米，结果提前3天修完．这条公路长多少米．
<gadget id="calculator">60 + 15</gadget>
<output>75</output>

<gadget id="calculator">3 / 15</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">75 * (1/5)</gadget>
<output>15</output>

<gadget id="calculator">60 * 15</gadget>
<output>900</output>

<result>900</result>