How many are there？

儿歌名称：How many are there？
歌词：
朗文歌曲
How many are there?
there are four.
how many are there?
there are five.
how many are there?
there are six.
there are six bananas.
yoo hoo! 1,2,3!
yoo hoo! 4,5,6
yoo hoo!7,8,9!
there are nine bananas.