The perimeter of a circular fountain is 62.8 meters, and there is a cement road with a width of 0.5 meters outside the pool. What is the area of the road in square meters?
一个圆形喷水池的周长62.8米，在水池外边有一条0.5米宽的水泥路．路的面积是多少平方米？
<gadget id="calculator">62.8 / 3.14 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 + 0.5</gadget>
<output>10.5</output>

<gadget id="calculator">10.5 ** 2</gadget>
<output>110.25</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">110.25 - 100</gadget>
<output>10.25</output>

<gadget id="calculator">3.14 * 10.25</gadget>
<output>32.185</output>

<result>32.185</result>