If the perimeter of the base of a cube is 16 cm, what is its surface area in square centimeters?
一个正方体的底面周长是16厘米，它的表面积是多少平方厘米？
<gadget id="calculator">16 / 4</gadget>
<output>4</output>

<gadget id="calculator">4 * 4 * 6</gadget>
<output>96</output>

<result>96</result>