There is a circular fountain in People's Square. The diameter of the pool is 8 meters. There is a circular path with a width of 1 meter around the pool. What is the area of this path in square centimeters?
人民广场有一个圆形喷水池，水池的直径是8米，在水池的周围有一条宽1米的环形小路，这条小路的面积是多少平方厘米？
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">1 + 4</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">3.14 * 25</gadget>
<output>78.5</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16</gadget>
<output>50.24</output>

<gadget id="calculator">78.5 - 50.24</gadget>
<output>28.26</output>

<result>28.26</result>