A rectangular parallelepiped frame with a length of 5 cm, a width of 4 cm, and a height of 3 cm can be made with a piece of iron wire of how many centimeters long.
用一根长多少厘米铁丝正好可以做一个长5厘米、宽4厘米、高3厘米的长方体框架．
<gadget id="calculator">5 + 4 + 3</gadget>
<output>12</output>

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

<result>48</result>