The road construction team has built a road, which is 12.5 meters long, which is 0.5 kilometers longer than the remaining half. How many kilometers is the total length of this road?
修路队修了一条路，已修了12.5米，比剩下的一半多0.5千米，这条路全长是多少千米？
<gadget id="calculator">12.5 - 0.5</gadget>
<output>12</output>

<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">24 + 12.5</gadget>
<output>36.5</output>

<result>36.5</result>