The lengths of the two sides of a right triangle are 4 cm and 3 cm respectively. If the right-angled side with a length of 4 cm is used as the axis of rotation, a cone can be obtained. What is the volume of this cone in cubic centimeters?
一个直角三角形的两条直角边长度分别是4厘米和3厘米．如果以长为4厘米的直角边为旋转轴一周，可以得到一个圆锥，这个圆锥的体积是立方厘米？
<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 * 4</gadget>
<output>37.68</output>

<result>37.68</result>