There is a bundle of wires, half of the total length is used for the first time, more than 3 meters, and the remaining half is used for the second time, less than 5 meters, leaving 17 meters. How many meters is the bundle of wires?
有一捆电线，第一次用去全长的一半多3米，第二次用去余下的一半少5米，还剩17米，这捆电线原来有多少米．
<gadget id="calculator">17 - 5</gadget>
<output>12</output>

<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">24 + 3</gadget>
<output>27</output>

<gadget id="calculator">27 * 2</gadget>
<output>54</output>

<result>54</result>