calaculation - bytes

VIDEO
1GB = 1000 MB

1 video = 500 MB
or
1 video = 0.5 MB

means

2 videos in 1 GB

and

for 4.7 = 2 * 4.7 = 9.4

means 9.4 videos in 1 gb

MOVIE

1 movie = 700 mb = .7 gb

so...
1.428 movie for 1 gb
and for 4.7 gb
4.7 * 1.428 = 5.712 movies