For a bundle of wires, when the electrician uses up 4m of the total length (1/4), the rest is 56m longer than the used one. How much is the original length of the wire in m?
一捆电线，当电工用去全长的(1/4)多4m时，剩下的比用去的多56m，求这根电线原来长多少m？
<gadget id="calculator">4 + 4 + 56</gadget>
<output>64</output>

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

<gadget id="calculator">1 - (1/4) - (1/4)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">64 / (1/2)</gadget>
<output>128</output>

<result>128</result>