The circumference of the base of a cone is 6.28 cm, and the height is three times the circumference of the base. What is the volume of the cone in cubic centimeters? (π takes 3.14)
一个圆锥的底面周长是6.28厘米，高是底面周长的3倍，圆锥的体积是多少立方厘米？(π取3.14)
<gadget id="calculator">6.28 / 3.14 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">(1/3) * 3.14 * 1 * 6.28 * 3</gadget>
<output>19.7192</output>

<result>19.7192</result>