The lateral area of a cylinder is 25.12 square meters and the diameter of the bottom is 2 meters. What is its height in meters?
圆柱体的侧面积是25.12平方米，底面直径是2米，它的高是多少米．
<gadget id="calculator">3.14 * 2</gadget>
<output>6.28</output>

<gadget id="calculator">25.12 / 6.28</gadget>
<output>4</output>

<result>4</result>