What is the surface area of a cube welded with 60 decimeters of iron wire?
用60分米的铁丝焊成一个正方体，它的表面积是多少．
<gadget id="calculator">60 / 12</gadget>
<output>5</output>

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

<result>150</result>