The perimeter of the base is 25.12 cm and the height is 8 cm. Calculate the lateral area of the cylinder.
底面周长是25.12厘米，高是8厘米，计算圆柱体的侧面积．
<gadget id="calculator">25.12 * 8</gadget>
<output>200.96</output>

<result>200.96</result>