A cylindrical piece of wood with a length of 2 meters is cut into 3 sections, and the surface area increases by 50.24 square decimeters. What is the volume of this piece of wood in cubic decimeters?
一根长2米的圆柱形木料截成3段后表面积增加了50.24平方分米，这根木料的体积是多少立方分米．
<gadget id="calculator">50.24 / 4</gadget>
<output>12.56</output>

<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">12.56 * 20</gadget>
<output>251.2</output>

<result>251.2</result>