The circumference of the base is 18.84 cm and the height is 8 cm. Calculate the volume of the cone.
底面周长是18.84厘米，高是8厘米，计算圆锥的体积．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

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

<gadget id="calculator">(1/3) * 3.14 * 9 * 8</gadget>
<output>75.36</output>

<result>75.36</result>