cylindrical steel is 2 meters long, and if it is divided into 4 small cylinders, the surface area increases by 18.84 square centimeters. What is the volume of each section of steel.
一个圆柱形钢材长2米，把它分成4个小圆柱，表面积增加了18.84平方厘米．每段钢材的体积是多少．
<gadget id="calculator">18.84 / 6</gadget>
<output>3.14</output>

<gadget id="calculator">2 * 100</gadget>
<output>200</output>

<gadget id="calculator">200 / 4</gadget>
<output>50</output>

<gadget id="calculator">3.14 * 50</gadget>
<output>157</output>

<result>157</result>