Jake delivers 234 x 4 = <<234*4=936>>936 newspapers in a month.
Miranda delivers 234 x 2 = <<234*2=468>>468 newspapers in a week.
So she delivers 468 x 4 = <<468*4=1872>>1872 newspapers in a month.
Hence, Miranda delivers 1872 - 936 = <<1872-936=936>>936 newspapers more than Jake in a month.
#### 936