Cut a cuboid block with a length of 5 cm, a width of 4 cm, and a height of 3 cm into two identical small cuboid blocks. How much can the sum of the surface areas of the two small cuboids be increased compared to the surface area of the original large cuboid? square centimeter.
把一块长5厘米、宽4厘米、高3厘米的长方体木块，切成两个完全一样的小长方体木块，这两个小长方体表面积的和比原来大长方体木块的表面积最多可以增加多少平方厘米．
<gadget id="calculator">5 * 4 * 2</gadget>
<output>40</output>

<result>40</result>