Use a 36 cm long iron wire to weld a cube frame. If you wrap this frame with a layer of colored paper, how many square centimeters of colored paper will you need at least?
用一根长36厘米的铁丝焊接成一个正方体框架，如果给这个框架包上一层彩纸，至少需要多少平方厘米的彩纸．
<gadget id="calculator">36 / 12</gadget>
<output>3</output>

<gadget id="calculator">3 * 3 * 6</gadget>
<output>54</output>

<result>54</result>