circular flower bed with a circumference of 37.68 meters is going to be widened by 1 meter around it, so how many square meters can the area of the flower bed be increased?
一个周长为37.68米的圆形花坛，现在准备将它的周围加宽1米，这样花坛的面积可增加多少平方米？
<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">37.68 / 6.28</gadget>
<output>6</output>

<gadget id="calculator">6 + 1</gadget>
<output>7</output>

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

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

<gadget id="calculator">49 - 36</gadget>
<output>13</output>

<gadget id="calculator">3.14 * 13</gadget>
<output>40.82</output>

<result>40.82</result>