If 5 cubes with side lengths of 1 cm are put together to form a cuboid, the surface area of the assembled cuboid is reduced by how many square centimeters compared with the sum of the surface areas of the original 5 cubes.
把5个棱长是1厘米的正方体，拼成一个长方体，拼成的长方体表面积比原来5个正方体表面积的和减少了多少平方厘米．
<gadget id="calculator">1 * 1 * 8</gadget>
<output>8</output>

<result>8</result>