To make a cuboid frame with a length of 5 cm, a width of 4 cm, and a height of 3 cm, how many centimeters of iron wire are needed at least?
要做一个长5厘米，宽4厘米，高3厘米的长方体框架，至少需要多少厘米的铁丝．
<gadget id="calculator">5 + 4 + 3</gadget>
<output>12</output>

<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<result>48</result>