The lateral area of a cylinder is 12.56 square meters, and the radius of the base is 2 decimeters. How many decimeters is its height?
一个圆柱的侧面积是12.56平方米，底面半径是2分米，它的高是多少分米？
<gadget id="calculator">3.14 * 2 * 2</gadget>
<output>12.56</output>

<gadget id="calculator">12.56 / 12.56</gadget>
<output>1</output>

<result>1</result>