A cuboid frame with a length of 6 cm, a width of 4 cm, and a height of 5 cm can be made with an iron wire of how many centimeters long (not counting the joints).
用一根多少厘米长的铁丝正好可以做一个长6厘米，宽4厘米，高5厘米的长方体框架(接头处不计)．
<gadget id="calculator">6 + 4 + 5</gadget>
<output>15</output>

<gadget id="calculator">15 * 4</gadget>
<output>60</output>

<result>60</result>