A cuboid with a height of 3 cm is cut off from the top and a cuboid with a height of 2 cm is cut off from the bottom, leaving a cube. And the surface area is reduced by 12 square centimeters, what is the volume of the original cuboid in cubic centimeters?
一个长方体上面截去高为3厘米的长方体，下面截去高为2厘米的长方体后，剩下一个正方体．并且表面积减少了12平方厘米，那么原长方体的体积是多少立方厘米．
<result>0.216</result>