A right-angled triangle, one of which is 6 cm long and the other 4 cm long, is rotated around its longer right-angled side to form a three-dimensional figure. Find the volume of the rotated solid figure.
一个直角三角形，一条直角边长6厘米，另一条直角边长4厘米，以它的较长的直角边为轴旋转一周后形成一个立体图形．求这个旋转后立体图形的体积．
<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 * 6</gadget>
<output>100.48</output>

<result>100.48</result>