Use 72 decimeters of iron wire to make a cube frame, and then stick a layer of paper on the outside. How many square decimeters of paper are needed at least?
用72分米长的铁丝做一个正方体的框架，然后在外面贴上一层纸，至少需要多少平方分米的纸？
<gadget id="calculator">72 / 12</gadget>
<output>6</output>

<gadget id="calculator">6 * 6 * 6</gadget>
<output>216</output>

<result>216</result>