Teacher Wang needs a 62 cm long iron wire to enclose a circle. He cut off half of a wire, and then cut off 4 cm, just in line with the requirements. How long is the original wire?
王老师需要一根长62厘米的铁丝围一个圆．他将一根铁丝剪去一半，再剪去4厘米，正好符合要求．原来铁丝有多长？
<gadget id="calculator">62 + 4</gadget>
<output>66</output>

<gadget id="calculator">66 * 2</gadget>
<output>132</output>

<result>132</result>