If 6 cubes with side lengths of 3 cm are put together to form a cuboid, what is the maximum reduction in surface area in square centimeters?
把6个棱长为3厘米的正方体拼成一个长方体，表面积最多减少多少平方厘米．
<gadget id="calculator">3 * 3 * 14</gadget>
<output>126</output>

<result>126</result>