When 4 cubes with side lengths of 2 cm are put together to form a cuboid, what is the maximum reduction in surface area in square centimeters?
把棱长都为2厘米的4个正方体拼成一个长方体后，表面积最多减少多少平方厘米．
<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">2 * 2 * 8</gadget>
<output>32</output>

<result>32</result>