If a cylinder is cut along its diameter, the surface area will increase by 60 square centimeters; if the cylinder is cut into 3 small cylinders, the surface area will increase by 113.04 square centimeters. What is the volume of the original cylinder in cubic centimeters?
一个圆柱，如果沿着它的直径切开，则表面积增加60平方厘米；如果把这个圆柱切割成3节小圆柱，则表面积增加113.04平方厘米．原圆柱的体积是多少立方厘米．
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">60 / 2 / 6</gadget>
<output>5</output>

<gadget id="calculator">3.14 * 9 * 5</gadget>
<output>141.3</output>

<result>141.3</result>