If three cubes with side lengths of 6 meters are put together to form a cuboid, the surface area will be reduced by how many square centimeters.
把三个棱长6米的正方体拼成一个长方体，表面积减少多少平方厘米．
<gadget id="calculator">6 * 6 * 4</gadget>
<output>144</output>

<result>144</result>