If a cuboid block with a length of 8 decimeters, a width of 6 decimeters, and a height of 4 decimeters is cut into a largest cube, how many square decimeters will the surface area increase?
将一个长8分米、宽6分米、高4分米的长方体木块截成一个最大的正方体，则表面积增加了多少平方分米．
<gadget id="calculator">4 * 4 * 4</gadget>
<output>64</output>

<result>64</result>