If the height of a cuboid is reduced by 2 cm, it becomes a cube, and the surface area is reduced by 24 cm2. What is the volume of the original cuboid?
一个长方体的高减少2厘米，就变成一个正方体，表面积减少了24平方厘米，原来长方体的体积是多少立方厘米．
<gadget id="calculator">24 / 4 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 * 3 * 5</gadget>
<output>45</output>

<result>45</result>