Cutting a 2.5-meter-long cylindrical wood into three sections increases the surface area by 45.12 square centimeters. What is the volume of this log in cubic centimeters?
把一根长2.5米的圆柱形木料截成3段，表面积增加了45.12平方厘米．这根木料的体积是多少立方厘米？
<gadget id="calculator">45.12 / 4</gadget>
<output>11.28</output>

<gadget id="calculator">2.5 * 100</gadget>
<output>250</output>

<gadget id="calculator">11.28 * 250</gadget>
<output>2_820</output>

<result>2_820</result>