The circumference of the base of a cylinder is 12.56 decimeters, and the height is 10 decimeters. What is its lateral area?
一个圆柱体底面周长是12.56分米，高是10分米，它的侧面积是多少平方分米？
<gadget id="calculator">12.56 * 10</gadget>
<output>125.6</output>

<result>125.6</result>