What is the increase in the surface area of a cube with a side length of 1 decimeter when it is cut into eight equal cubes?
把棱长是1分米的正方体木块切成八个相等的小正方体后表面积增加了多少平方分米．
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<result>6</result>