To build a road, 134.4 kilometers have been repaired, and the rest is 12.6 kilometers less than the repaired one. How many kilometers is the total length of this road?
修一条公路，已经修好了134.4千米，剩下的比修好的少12.6千米，这条公路全长多少千米？
<gadget id="calculator">134.4 - 12.6</gadget>
<output>121.8</output>

<gadget id="calculator">121.8 + 134.4</gadget>
<output>256.2</output>

<result>256.2</result>