The radius of the large circle is 8 cm, and the radius of the small circle is 6 cm. How many times is the area of the large circle larger than that of the small circle?
大圆半径8cm，小圆半径6cm，大圆面积是小圆的多少倍．
<gadget id="calculator">16 / 9</gadget>
<output>16/9 = around 1.777778</output>

<result>16/9 = around 1.777778</result>