Fold a 480 cm long iron wire into a cube frame, and paste white paper on the surface of the frame. What is the maximum volume of this cube.
用长为480厘米的铁丝折成一个正方体框架，框架表面糊上白纸后．这个正方体的体积最多是多少．
<gadget id="calculator">480 / 12</gadget>
<output>40</output>

<gadget id="calculator">40 * 40 * 40</gadget>
<output>64_000</output>

<result>64_000</result>