An iron wire with a length of 150 cm is welded into a rectangular parallelepiped frame with a length of 20 cm, a width of 10 cm, and a height of 6 cm. How long is the wire left?
一根长150厘米的铁丝，焊接成一个长20厘米，宽10厘米，高6厘米的长方体框架，这根铁丝还剩多长？
<gadget id="calculator">20 + 10 + 6</gadget>
<output>36</output>

<gadget id="calculator">36 * 4</gadget>
<output>144</output>

<gadget id="calculator">150 - 144</gadget>
<output>6</output>

<result>6</result>