A cuboid with a square base, after unfolding its sides, is exactly a square with a side length of 12 cm. What is the volume of this cuboid in cubic centimeters?
一个底面是正方形的长方体，把它的侧面展开后，正好是一个边长为12厘米的正方形，这个长方体体积是多少立方厘米．
<gadget id="calculator">12 / 4</gadget>
<output>3</output>

<gadget id="calculator">3 * 3 * 12</gadget>
<output>108</output>

<result>108</result>