If a cylinder has a base diameter of 6 cm and a height of 5 cm, what is the volume of a cone with the same base and height in cubic centimeters?
一个圆柱底面直径是6厘米，高5厘米，和它等底等高的圆锥体积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">6 / 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>