The height of a cylindrical style on the square is 3.5m, and the radius of the base is 0.5m. The side of the style is covered with plastic flowers. How much area is covered with plastic flowers?
广场上一根圆柱形花柱的高是3.5m，底面半径是0.5m，在花柱的侧面布满塑料花，有多大面积布满塑料花？
<gadget id="calculator">2 * 3.14 * 0.5 * 3.5</gadget>
<output>10.99</output>

<result>10.99</result>