If the sum of the lengths of the sides of a cube is 120 cm, what is the surface area in cm2?
一个正方体的棱长总和是120cm，表面积是多少c㎡．
<gadget id="calculator">120 / 12</gadget>
<output>10</output>

<gadget id="calculator">10 * 10 * 6</gadget>
<output>600</output>

<result>600</result>