Outside a circular flower bed with a radius of 8 meters, a circular path with a width of 1 meter surrounds it. What is the area of this path in square meters?
在一个半径为8米的圆形花坛外，围绕着一条宽1米的环形小路．这条小路的面积是多少平方米？
<gadget id="calculator">8 + 1</gadget>
<output>9</output>

<gadget id="calculator">9 ** 2</gadget>
<output>81</output>

<gadget id="calculator">8 ** 2</gadget>
<output>64</output>

<gadget id="calculator">81 - 64</gadget>
<output>17</output>

<gadget id="calculator">3.14 * 17</gadget>
<output>53.38</output>

<result>53.38</result>