After cutting a cuboid block with a length of 4dm, a width of 3dm and a height of 5dm into two cuboids, how much can the surface area be increased by at least dm**2.
把一个长4dm、宽3dm、高5dm的长方体木块切成两个长方体后，表面积至少能增加多少dm**2．
<gadget id="calculator">3 * 4 * 2</gadget>
<output>24</output>

<result>24</result>