The lateral area of a cylinder is 100.48cm**2, the diameter of the bottom is 4cm, what is its height in cm?
一个圆柱的侧面积是100.48cm**2，底面直径是4cm，它的高是多少cm．
<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">100.48 / 12.56</gadget>
<output>8</output>

<result>8</result>