A circle with a radius of 8 cm is equally divided into 124 parts along the circumference, and then assembled into an approximate rectangle with a length of 15.7 cm. What is the width of this rectangle in cm?
一个半径为8厘米的圆，沿着圆周平均分成124份，再拼成一个长为15.7厘米的近似长方形，这个长方形的宽是多少厘米？
<gadget id="calculator">15.7 / 3.14</gadget>
<output>5</output>

<result>5</result>