The circumference of the base of the cone is 25.12 cm and the height is 7.2 cm. Find the volume.
圆锥底面周长是25.12厘米，高是7.2厘米，求体积．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">25.12 / 3.14 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">(1/3) * 3.14 * 16 * 7.2</gadget>
<output>120.576</output>

<result>120.576</result>