The circumference of the base of a cone is 18.84 cm and the height is 10 cm. What is the volume of the cone?
一个圆锥的底面周长是18.84厘米，高是10厘米，这个圆锥的体积是多少．
<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 * 10</gadget>
<output>94.2</output>

<result>94.2</result>