Lay a path with a width of 1 meter around the circular flower bed. Given that the perimeter of the flower bed is 12.56 meters, what is the area of the path in square meters?
在圆形花坛的周围铺一条宽1米的小路．已知花坛的周长是12.56米，小路的面积是多少平方米．
<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">12.56 / 6.28</gadget>
<output>2</output>

<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">9 - 4</gadget>
<output>5</output>

<gadget id="calculator">3.14 * 5</gadget>
<output>15.7</output>

<result>15.7</result>