If the sum of the sides of a cube is 12 cm, what is the surface area of the cube?
一个正方体的棱长总和是12厘米，这个正方体的表面积是多少平方厘米
<gadget id="calculator">12 / 12</gadget>
<output>1</output>

<gadget id="calculator">1 * 1 * 6</gadget>
<output>6</output>

<result>6</result>