If the circumference of the base of a cone is 22 cm and the height is 5 cm, what is its volume in cubic centimeters?
一个圆锥底面周长是22厘米，高是5厘米，它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">22 / 3.14 / 2</gadget>
<output>3.503185</output>

<gadget id="calculator">3.503185 ** 2</gadget>
<output>12.272305</output>

<gadget id="calculator">(1/3) * 3.14 * 12.272305 * 5</gadget>
<output>64.225063</output>

<result>64.225063</result>