The construction team has built a road, 78.5 kilometers have been built, and the rest is 12.5 kilometers less than the one that has been repaired. How many kilometers is this road?
施工队修一条路，已经修了78.5千米，剩下的比已修的少12.5千米，这条路长多少千米？
<gadget id="calculator">78.5 - 12.5</gadget>
<output>66</output>

<gadget id="calculator">78.5 + 66</gadget>
<output>144.5</output>

<result>144.5</result>