A wire, after cutting off 9 meters, the remaining length is 5 meters longer than the original length (6/13), find the original length of the wire.
一根电线，剪去9米后，剩下的比原来长度的(6/13)还长5米，求电线原来的长度．
<gadget id="calculator">9 + 5</gadget>
<output>14</output>

<gadget id="calculator">6 / 13</gadget>
<output>6/13 = around 0.461538</output>

<gadget id="calculator">1 - (6/13)</gadget>
<output>7/13 = around 0.538462</output>

<gadget id="calculator">14 / (7/13)</gadget>
<output>26</output>

<result>26</result>