A circular fountain with a diameter of 10m is surrounded by a circular path with a width of 3m. What is the area of the path in square meters?
一个直径是10m的圆形喷水池，周围有一条环形小路，路宽3m，这条小路的面积是多少平方米？
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

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

<gadget id="calculator">3.14 * 64</gadget>
<output>200.96</output>

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

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

<gadget id="calculator">200.96 - 78.5</gadget>
<output>122.46</output>

<result>122.46</result>