A cone has a base circumference of 31.4 cm and a height of 6 cm. What is the volume of this cone in cubic centimeters?
一个圆锥的底面周长是31.4厘米，高是6厘米．这个圆锥的体积是多少立方厘米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">31.4 / 3.14 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">(1/3) * 3.14 * 25 * 6</gadget>
<output>157</output>

<result>157</result>