If the perimeter of the base of a cube is 48 cm, what is its surface area in square centimetres?
一个正方体的底面周长是48cm，它的表面积是多少平方厘米？
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">12 * 12 * 6</gadget>
<output>864</output>

<result>864</result>