Use a 60cm long iron wire to weld into a cube frame (not counting the joints), and paste red paper on the surface, at least how many cm of red paper is needed**2.
用一根长60cm的铁丝焊接成一个正方体框架(接头处不计)，并在表面糊上红纸，至少需要红纸多少cm**2．
<gadget id="calculator">60 / 12</gadget>
<output>5</output>

<gadget id="calculator">5 * 5 * 6</gadget>
<output>150</output>

<result>150</result>