If a cube with side length 6cm is cut into smaller cubes with side length 2cm, how much is the surface area increased in cm**2.
把一个棱长6cm的正方体切成棱长是2cm的小正方体，表面积增加了多少cm**2．
<gadget id="calculator">2 - 1</gadget>
<output>1</output>

<gadget id="calculator">2 * 1 * 3</gadget>
<output>6</output>

<gadget id="calculator">6 * 6 * 6</gadget>
<output>216</output>

<result>216</result>