The circumference of the large circle is 8 times the circumference of the small circle, and the radius of the large circle is how many times the radius of the small circle.
大圆周长是小圆周长的8倍，大圆半径是小圆半径的多少倍．
<gadget id="calculator">8 / 1</gadget>
<output>8</output>

<result>8</result>