A cuboid has a square base. If the length and width remain the same, the height increases by 3 cm, and the surface area increases by 108 cm2. The height of the original cuboid is 12 cm. What is the volume of the original cuboid in cubic centimeters?
一个长方体，底面是个正方形，如果长和宽不变，高增加3厘米，表面积增加108平方厘米，原来长方体的高是12厘米，原来长方体的体积是多少立方厘米？
<gadget id="calculator">108 / 4</gadget>
<output>27</output>

<gadget id="calculator">27 / 3</gadget>
<output>9</output>

<gadget id="calculator">9 * 9 * 12</gadget>
<output>972</output>

<result>972</result>