An engineering team repairs a section of road, the first week to repair the full length (1/3), the second week to repair the full length (1/4), and the third week to finish the remaining 15 kilometers. How long is the total length of this section? rice?
某工程队修一段路，第一周修全长的(1/3)，第二周修全长的(1/4)，第三周修完剩下的15千米，这段路全长多少千米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">1 - (1/3) - (1/4)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">15 / (5/12)</gadget>
<output>36</output>

<result>36</result>