The lengths of the three sides of a right triangle are 3cm, 4cm and 5cm respectively. What is the volume in cubic centimeters if the figure is rotated around the axis of the right angle side 4cm. (π takes 3.14)
一个直角三角形的三条边长分别是3cm，4cm和5cm，若以直角边4cm为轴旋转一周形成的图形体积是多少立方厘米．(π取3.14)
<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>