If a cube with side length 2cm is cut into two cuboids, how much will the surface area increase in cm**2.
把一个棱长为2cm的正方体切成两个长方体后，表面积增加多少cm**2．
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<result>8</result>