If a cuboid with a length of 5 cm, a width of 4 cm, and a height of 3 cm is cut into two cuboids, what is the maximum increase in surface area?
把长5厘米、宽4厘米、高3厘米的长方体切成两个长方体，表面积最多增加多少？
<gadget id="calculator">5 * 4 * 2</gadget>
<output>40</output>

<result>40</result>