Cut a 2-meter-long cuboid piece of wood into two 1-meter-long sections, and the surface area increases by 8 square decimeters. What is the original volume of this piece of wood?
把一根长2米的长方体木料，截成长1米的二段，表面积增加了8平方分米，原来这根木料的体积是多少？
<gadget id="calculator">1.6 * 2</gadget>
<output>3.2</output>

<result>3.2</result>