The circumference of the base of a cone is 7.536 meters and the height is 3 meters. What is its volume in cubic meters?
一个圆锥的底面周长是7.536米，高是3米，它的体积是多少立方米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">7.536 / 3.14 / 2</gadget>
<output>1.2</output>

<gadget id="calculator">1.2 ** 2</gadget>
<output>1.44</output>

<gadget id="calculator">(1/3) * 3.14 * 1.44 * 3</gadget>
<output>4.5216</output>

<result>4.5216</result>