If a triangle whose two right-angled sides are 3cm and 4cm is rotated once around the shorter right-angled side as the axis, what is the volume of the three-dimensional figure obtained in cm**3.
两条直角边分别是3cm和4cm的一个三角形，以较短的一条直角边为轴旋转一周，得到的立体图形的体积是多少cm**3．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">(1/3) * 3.14 * 16 * 3</gadget>
<output>50.24</output>

<result>50.24</result>