A cuboid of wood is 8 meters long, and its side is a square with a side length of 4 decimeters. After sawing it into 6 sections, how much is the surface area increased?
一根长方体木料，长8米，侧面是边长为4分米的正方形，把它横锯成6段后，表面积增加了多少．
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">4 * 4 * 4 * 2</gadget>
<output>128</output>

<result>128</result>