To make a cuboid wooden frame whose length, width, and height are 6 cm, 5 cm, and 4 cm respectively, how many centimeters of wood do you need at least?
做一个长、宽、高分别是6厘米、5厘米、4厘米的长方体木框，至少需要多少厘米的木条．
<gadget id="calculator">6 + 5 + 4</gadget>
<output>15</output>

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

<result>60</result>