The road construction team built a road, 25% of the total length was repaired in January, and 1/3 of the total length was repaired in February. It is known that 15 kilometers were repaired more in February than in January. How long is this road in kilometers?
修路队修一条路，一月份修了全长的25%，二月份修了全长的(1/3)．已知二月份比一月份多修15千米．这条路全长多少千米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/3) - (1/4)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">15 / (1/12)</gadget>
<output>180</output>

<result>180</result>