A cylindrical bucket has a base radius of 3 decimeters and a height of 8 decimeters. What is the volume of this bucket in cubic decimeters?
一只圆柱形水桶，底面半径是3分米，高是8分米．这只水桶的容积是多少立方分米？
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9 * 8</gadget>
<output>226.08</output>

<result>226.08</result>