Divide a bunch of candies between Xiao Ming and Xiao Hong at a ratio of 4:5. It is known that Xiao Ming has 16 candies, how many candies has Xiao Hong got?
把一堆糖果按4：5的比例分给小明和小红，已知小明分到了16颗，小红分到多少颗？
<gadget id="calculator">16 / 4</gadget>
<output>4</output>

<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<result>20</result>