Cut a cuboid into 3 identical cubes. The sum of the surface areas of all cubes increases by 64 decimeters**2 from the surface area of the original cuboid. What is the volume of the original cuboid in decimeters**3.
把一块长方体切割成3个完全一样的正方体．所有正方体的表面积之和比原来长方体的表面积增加64分米**2，原来长方体的体积是多少分米**3．
<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">12 * 4 * 4</gadget>
<output>192</output>

<result>192</result>