For a bundle of wires, 1/3 of the full length is used for the first time, and 25% of the total length is used for the second time, and the second time is 6 meters less than the first time. How long is this bundle of wires in meters?
一捆电线，第一次用去全长的(1/3)，第二次用去全长的25%，第二次比第一次少用6米，这捆电线长多少米？
<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">6 / (1/12)</gadget>
<output>72</output>

<result>72</result>