If the sum of the sides of a cube is 36 cm, what is the surface area of the cube in square centimeters?
一个正方体的棱长总和是36厘米，则这个正方体的表面积是多少平方厘米．
<gadget id="calculator">36 / 12</gadget>
<output>3</output>

<gadget id="calculator">3 * 3 * 6</gadget>
<output>54</output>

<result>54</result>