Cut a cuboid with a length of 8 cm, a width of 6 cm, and a height of 4 cm into small cubes with side lengths of 2 cm. How many square centimeters does the surface area of these small cubes increase compared with the original cuboid?
把一个长8厘米、宽6厘米、高4厘米的长方体切成棱长2厘米的小正方体，这些小正方体的表面积比原长方体增加了多少平方厘米？
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