A street garden is a circle with a diameter of 10 meters. A circular path with a width of 2 meters is to be built outside the garden. What is the area of the circular path in square meters?
一个街心花园是一个直径10米的圆，要在花园外修建一条宽2米的环形小路，环形小路的面积是多少平方米？
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 + 2</gadget>
<output>7</output>

<gadget id="calculator">7 ** 2</gadget>
<output>49</output>

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

<gadget id="calculator">49 - 25</gadget>
<output>24</output>

<gadget id="calculator">3.14 * 24</gadget>
<output>75.36</output>

<result>75.36</result>