A cylinder has a base circumference of 18.84 cm and a height of 5 cm. What is the volume of a cone equal to its base and height in cubic centimeters?
一个圆柱，底面周长是18.84cm，高是5cm，与它等底等高的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">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 * 5</gadget>
<output>47.1</output>

<result>47.1</result>