A cylindrical bucket, measured from the inside, has a base radius of 10 cm and a height of 3 decimeters, what is the volume of this bucket?
一个圆柱形水桶，从里面量，底面半径是10厘米，高是3分米，这个水桶的容积是多少？
<gadget id="calculator">10 / 10</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">3.14 * 1 * 3</gadget>
<output>9.42</output>

<result>9.42</result>