If a cube with a side length of 2 decimeters is cut into two equal cuboids, what is the increase in the surface area in square meters?
把一个棱长2分米的正方体，切成两个相等的长方体，表面积增加多少平方米．
<gadget id="calculator">2 * 2 * 2</gadget>
<output>8</output>

<result>8</result>