A 6-meter-long cylindrical steel is cut into 3 sections on average, and the surface area increases by 12.56 square centimeters. Find the volume of each such steel section in cubic centimeters.
把1根长6米的圆柱形钢材平均截成3段，表面积增加了12.56平方厘米，求每段这样的钢材的体积是多少立方方厘米．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">12.56 / 4</gadget>
<output>3.14</output>

<gadget id="calculator">100 / 3</gadget>
<output>100/3 = around 33.333333</output>

<gadget id="calculator">3.14 * 6 * (100/3)</gadget>
<output>628</output>

<result>628</result>