A road has been built for 87.5 kilometers, which is 21.5 kilometers less than the rest. How many kilometers is the total length of this road?
一条路已经修了87.5千米，比剩下的少21.5千米，这条路全长多少千米？
<gadget id="calculator">87.5 + 21.5</gadget>
<output>109</output>

<gadget id="calculator">87.5 + 109</gadget>
<output>196.5</output>

<result>196.5</result>