A straight cylinder of wood with a length of 2 meters is cut horizontally by 2 decimeters. Compared with the original, the surface area of the remaining cylinder of wood is reduced by 12.56 square decimeters. What is the volume of the original cylinder of wood in cubic decimeters?
一根长2米的直圆柱木料，横着截去2分米，和原来比，剩下的圆柱体木料的表面积减少12.56平方分米、原来圆柱体木料的体积是多少立方分米．
<gadget id="calculator">12.56 / 2 / 3.14 / 2</gadget>
<output>1</output>

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

<gadget id="calculator">3.14 * 1 * 2 * 10</gadget>
<output>62.8</output>

<result>62.8</result>