If the height of a cuboid increases by 2cm, it becomes a cube, and the surface area increases by 48cm**2. What is the volume of the original cuboid?
一个长方体的高如果增加2cm，就成为一个正方体，这时表面积就比原来增加了48cm**2．原来长方体的体积是多少？
<gadget id="calculator">48 / 2</gadget>
<output>24</output>

<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<gadget id="calculator">6 - 2</gadget>
<output>4</output>

<gadget id="calculator">6 * 6 * 4</gadget>
<output>144</output>

<result>144</result>