A cylinder, if its height increases by 1 cm, its lateral area increases by 50.24 square centimeters. What is the radius of the base of this cylinder.
一个圆柱，如果它的高增加1厘米，它的侧面积就增加50.24平方厘米．这个圆柱的底面半径是多少．
<gadget id="calculator">50.24 / 1 / 3.14 / 2</gadget>
<output>8</output>

<result>8</result>