A cylindrical bucket has a base circumference of 18.84 decimeters and a height of 2 decimeters. What is its volume?
一个圆柱形水桶，底面周长是18.84分米，高是2分米，它的容积是多少？
<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

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

<gadget id="calculator">3.14 * 9 * 2</gadget>
<output>56.52</output>

<result>56.52</result>