The diameter of a circular flower bed is 5 meters, and a 2-meter-wide path is paved around it. What is the area of this path in square meters?
一个圆形花坛的直径是5米，在它的四周铺一条2米宽的小路，这条小路面积是多少平方米？
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(5/2) + 2</gadget>
<output>9/2 = around 4.5</output>

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

<gadget id="calculator">(5/2) ** 2</gadget>
<output>25/4 = around 6.25</output>

<gadget id="calculator">(81/4) - (25/4)</gadget>
<output>14</output>

<gadget id="calculator">3.14 * 14</gadget>
<output>43.96</output>

<result>43.96</result>