Xiao Ming used a 72 cm long iron wire to make a cuboid lantern frame. The ratio of length, width, and height is 4:3:2. To paste this lantern frame with crepe paper (the top is not pasted), how much crepe paper is needed?
小明用一根长72厘米的铁丝做一个长方体灯笼框架，长、宽、高的比是4：3：2，给这个灯笼框架糊上皱纹纸(上面不糊)，需要多大的皱纹纸？
<gadget id="calculator">72 / 4</gadget>
<output>18</output>

<gadget id="calculator">3 + 4 + 2</gadget>
<output>9</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">18 * (2/9) * 3</gadget>
<output>12</output>

<gadget id="calculator">18 * (2/9) * 2 * 2</gadget>
<output>16</output>

<gadget id="calculator">3 * 2 * 2</gadget>
<output>12</output>

<gadget id="calculator">12 + 16 + 12</gadget>
<output>40</output>

<result>40</result>