A cuboid is 2 meters long, 2 decimeters wide and 2 decimeters high, if it is sawed into 3 sections, the surface area will be increased by at least how many square decimeters.
一根长方体木料长2米，宽和高都是2分米，把它锯成3段，表面积至少增加多少平方分米．
<gadget id="calculator">2 * 2 * 4</gadget>
<output>16</output>

<result>16</result>