If three identical cubes are put together to form a cuboid, the surface area is reduced by 64m**2. What is the volume of the cuboid?
把3个一样的正方体拼成一个长方体，表面积减少了64m**2，这个长方体的体积是多少．
<gadget id="calculator">4 * 4 * 4 * 3</gadget>
<output>192</output>

<result>192</result>