A circular flower bed is 9 meters in diameter, and there is a circular path with a width of 1.2 meters around it. How many square meters is the area of the path?
一个圆形花坛，直径9米，在它周围有一条宽1.2米的环形小路，小路的面积有多少平方米？
<gadget id="calculator">9 / 2</gadget>
<output>9/2 = around 4.5</output>

<gadget id="calculator">(9/2) + 1.2</gadget>
<output>5.7</output>

<gadget id="calculator">5.7 ** 2</gadget>
<output>32.49</output>

<gadget id="calculator">3.14 * 32.49</gadget>
<output>102.0186</output>

<gadget id="calculator">(9/2) ** 2</gadget>
<output>81/4 = around 20.25</output>

<gadget id="calculator">3.14 * (81/4)</gadget>
<output>63.585</output>

<gadget id="calculator">102.0186 - 63.585</gadget>
<output>38.4336</output>

<result>38.4336</result>