How many square centimeters can the surface area be reduced by putting together 4 small cubes whose sides are 1 cm long to form a cuboid?
把4个棱长1厘米的小正方体拼成一个长方体后，表面积最多可以减少多少平方厘米．
<gadget id="calculator">1 * 1 * 8</gadget>
<output>8</output>

<result>8</result>