There is a bundle of wires. For the first time, more than 3 meters of the full length (1/2) is used, and the remaining (1/2) is used for the second time. More than 3 meters, leaving 9 meters left. How long is this wire originally?
有一捆电线，第一次用去全长的(1/2)多3米，第二次用去余下的(1/2)多3米，还剩下9米．这根电线原来长多少米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3 * (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">9 - (3/2)</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">3 + 3 + (15/2)</gadget>
<output>27/2 = around 13.5</output>

<gadget id="calculator">(1/2) * (1/2)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/2) - (1/2)</gadget>
<output>0</output>

<gadget id="calculator">(1/4) + 0</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(27/2) / (1/4)</gadget>
<output>54</output>

<result>54</result>