If a cube with a side length of 2 cm is sawn into smaller cubes with a side length of 1 cm, how much does the surface area increase in cm**2.
把一个棱长为2cm的正方体全部锯成棱长为1cm的小正方体，表面积增加了多少cm**2．
<gadget id="calculator">2 * 2 * 6</gadget>
<output>24</output>

<result>24</result>