A rectangle is 5 cm long and 3 cm wide. Take the long side as the axis and rotate the rectangle once. What is the volume of the three-dimensional figure in cubic centimeters?
一个长方形长5厘米，宽3厘米，以长边为轴，把长方形旋转一周，得到立体图形的体积是多少立方厘米．
<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>