A cuboid of wood, 1.5 meters long, 2 decimeters wide and 2 decimeters thick, if it is sawed into 4 sections, the surface area will increase by at least how many square decimeters.
一根长方体木料，长1.5米，宽和厚都是2分米，把它锯成4段，表面积最少增加多少平方分米．
<gadget id="calculator">2 * 2 * 6</gadget>
<output>24</output>

<result>24</result>