A right-angled triangle whose sides are 5 cm and 3 cm respectively rotates around the side of 5 cm to obtain a cone. What is the volume of the cone in cubic centimeters?
一个直角边分别是5厘米和3厘米的直角三角形，以5厘米的直角边为轴旋转一周得到一个圆锥体，这个圆锥的体积是多少立方厘米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(1/3) * 3.14 * 9 * 5</gadget>
<output>47.1</output>

<result>47.1</result>