cuboid becomes a cube if its height increases by 2 centimeters, and its surface area increases by 48 square centimeters. What is the volume of the original 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，表面积就增加了48平方厘米．原长方体的体积是多少立方厘米．
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">12 / 2</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>