cuboid becomes a cube if its height is increased by 2 cm, and its surface area is increased by 24 cm2. What is the volume of the cuboid in cubic centimeters?
一个长方体，如果高增加2厘米就变成了一个正方体，而且表面积增加24平方厘米，原来这个长方体的体积是多少立方厘米．
<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 * 3 * 1</gadget>
<output>9</output>

<result>9</result>