If a cube with a side length of 2 decimeters is averagely cut into two identical cuboids, how many square decimeters will the surface area increase
一个棱长2分米的正方体，平均切成两个完全一样的长方体后，表面积增加多少平方分米
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<result>8</result>