It is known that the height of the cylinder is 5 decimeters, and the cylinder is divided into two equal halves vertically through the center of the bottom surface, and the surface area is increased by 60 decimeters, what is the volume of the cylinder in cubic decimeters?
已知圆柱体的高是5分米，过底面圆心垂直将圆柱体分成相等的两半，表面积增加了60平方分米，则圆柱体的体积是多少立方分米．
<gadget id="calculator">60 / 2 / 5 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

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

<result>141.3</result>