A flower bed with a diameter of 5 meters is surrounded by a circular cobblestone path with a width of 1 meter. What is the area of the path in square meters?
一个花坛，直径5米，在它周围有一条宽1米的环形鹅卵石小路，小路的面积是多少平方米？
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">(5/2) + 1</gadget>
<output>7/2 = around 3.5</output>

<gadget id="calculator">(7/2) ** 2</gadget>
<output>49/4 = around 12.25</output>

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

<gadget id="calculator">(49/4) - (25/4)</gadget>
<output>6</output>

<gadget id="calculator">3.14 * 6</gadget>
<output>18.84</output>

<result>18.84</result>