The side of a cylinder is cut along the height to form a square. If the side length of the square is 6.28 cm, what is the radius of the base of the cylinder in cm?
一个圆柱的侧面沿高剪开后是正方形，若正方形的边长是6.28厘米，则圆柱的底面半径是多少厘米．
<gadget id="calculator">6.28 / 3.14 / 2</gadget>
<output>1</output>

<result>1</result>