If a cube with side length 3 cm is cut into two identical cuboids, by how many square centimeters does the sum of the surface areas of the two cuboids increase from the surface area of the original cube? how many square centimeters
把1个棱长3厘米的正方体切成两个完全一样的长方体，这两个长方体表面积的和比原来正方体的表面积增加了多少平方厘米？多少平方厘米
<gadget id="calculator">3 * 3 * 2</gadget>
<output>18</output>

<result>18</result>