There is a cylindrical steel with a length of 2 meters. If it is cut into three identical cylinders, the surface area will increase by 37.68 square decimeters. What is the volume of this cylinder in cubic decimeters.
有一根长2米的圆柱形钢材，如果把它截成3段同样的圆柱，表面积比原来增加37.68平方分米．这根圆柱的体积是多少立方分米．
<gadget id="calculator">37.68 / 4</gadget>
<output>9.42</output>

<gadget id="calculator">9.42 * 2 * 10</gadget>
<output>188.4</output>

<result>188.4</result>