There is a circular flower bed in the park, and the circumference of the flower bed is 37.68 meters. Now build a cement road with a width of 2 meters around this flower bed, and find the area of the road.
公园里有一个圆形花坛，花坛的周长是37.68米．现在绕这个花坛修筑2米宽的水泥路，求路面的面积．
<gadget id="calculator">37.68 / 3.14 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 + 2</gadget>
<output>8</output>

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

<gadget id="calculator">6 ** 2</gadget>
<output>36</output>

<gadget id="calculator">64 - 36</gadget>
<output>28</output>

<gadget id="calculator">3.14 * 28</gadget>
<output>87.92</output>

<result>87.92</result>