The engineering team has built a road, and it has built the full length (2/5). At this time, the unrepaired road is 24 kilometers longer than the completed one. How many kilometers is the total length of this road?
工程队修一条公路，已修了全长的(2/5)，这时未修的比已修的多24千米，这条公路全长多少千米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5) - (2/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">24 / (1/5)</gadget>
<output>120</output>

<result>120</result>