A piece of iron wire is used to make a rectangular parallelepiped frame with a length of 12 cm, a width of 8 cm, and a height of 5 cm. What is the length of the wire in cm?
用一根铁丝正好制成一个长12厘米，宽8厘米，高5厘米的长方体框架，这根铁丝长多少厘米．
<gadget id="calculator">12 + 8 + 5</gadget>
<output>25</output>

<gadget id="calculator">25 * 4</gadget>
<output>100</output>

<result>100</result>