Use a 72-meter-long iron wire to make a cuboid mold. It is known that the ratio of length, width and height is 2:3:4. Find the surface area of the cuboid?
用一根72米长的铁丝做一个长方体模具，已知长宽高的比是2：3：4，求这个长方体的表面积？
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">4 * 6</gadget>
<output>24</output>

<gadget id="calculator">4 * 9</gadget>
<output>36</output>

<gadget id="calculator">6 * 9</gadget>
<output>54</output>

<gadget id="calculator">24 + 36 + 54</gadget>
<output>114</output>

<gadget id="calculator">114 * 2</gadget>
<output>228</output>

<result>228</result>