2-meter-long cylindrical steel is cut into two sections, and the surface area increases by 12.56 square centimeters. What is the volume of this piece of steel in cubic centimeters?
一根2米长的圆柱形钢材截成两段，表面积增加12.56平方厘米，这段钢材的体积是多少立方厘米．
<gadget id="calculator">12.56 / 2</gadget>
<output>6.28</output>

<gadget id="calculator">6.28 * 2 * 100</gadget>
<output>1_256</output>

<result>1_256</result>