Two cuboids with a length of 5 cm, a width of 4 cm, and a height of 3 cm are used to assemble a cuboid with the largest surface area. 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 two cuboids.
用两个长5厘米，宽4厘米，高3厘米的长方体拼成一个表面积最大的长方体，拼成后表面积比原来两个长方体表面积之和减少多少平方厘米．
<gadget id="calculator">4 * 3 * 2</gadget>
<output>24</output>

<result>24</result>