When a cuboid with a length of 4 decimeters, a width of 1 decimeter, and a height of 1 decimeter is divided into 4 cubes with sides of 1 decimeter, how many square decimeters will the area increase?
将1个长4分米，宽1分米，高1分米的长方体分割成4个棱长为1分米的正方体时，面积增加了多少平方分米．
<gadget id="calculator">1 * 1 * 6</gadget>
<output>6</output>

<result>6</result>