With a piece of iron wire how long can just make a cuboid frame with a length of 5 cm, a width of 4 cm, and a height of 2 cm.
用一根长多少铁丝正好可以做一个长5厘米，宽4厘米，高2厘米的长方体框架．
<gadget id="calculator">5 + 4 + 2</gadget>
<output>11</output>

<gadget id="calculator">11 * 4</gadget>
<output>44</output>

<result>44</result>