There is a circular flower bed with a radius of 3 meters in a certain park. A circular path with a width of 1 meter is built around it. What is the area of this circular path in square meters?
某公园有一个半径是3米的圆形花坛，在它的周围修一条1米宽的环形小路，求这条环形小路的面积是多少平方米？
<gadget id="calculator">3.14 * 5</gadget>
<output>15.7</output>

<result>15.7</result>