1m-long cuboid is sawn into three sections on average, each section is 1/3 long, the sum of the surface areas of the three sections is 80cm larger than the surface area of the raw material, what is the original volume of this piece of wood in cm**3.
把1m长的长方体木料平均锯成三段，每段长(1/3)，三段木料的表面积之和比原材料的表面积增加了80cm，原来这根木料的体积是多少cm**3．
<gadget id="calculator">80 / 4</gadget>
<output>20</output>

<gadget id="calculator">20 * 1 * 100</gadget>
<output>2_000</output>

<result>2_000</result>