There is a cuboid, if the length is reduced by 2 decimeters, then it becomes a cube, and the surface area decreases by 48 square decimeters. What is the volume of this cuboid in cubic decimeters?
有一个长方体，如果长减短2分米，那么它就变成一个正方体，表面积减小48平方分米．这个长方体的体积是多少立方分米？
<gadget id="calculator">48 / 2 / 4</gadget>
<output>6</output>

<gadget id="calculator">6 + 2</gadget>
<output>8</output>

<gadget id="calculator">6 * 6 * 8</gadget>
<output>288</output>

<result>288</result>