A cylinder has a base diameter of 6 cm and a height of 10 cm, what is its volume?
一个圆柱的底面直径是6厘米，高是10厘米，体积是多少？
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 10</gadget>
<output>282.6</output>

<result>282.6</result>