Does margin count in 1140px Bootstrap?

Question

css

Bootstrap's largest resolution is 1140 pixels. But is this taking into account the side margin or not?
That is, let's take 12 columns of 65px, padding between them by 30px and we get 65 * 12 + 30 * 11 = 780 + 330 = 1100. Now I add margins around the edges by 15px. It turns out, as it is written on the Bootstrap 1140px site.
Or 1140 should be without margins?
Can I make 70px columns, 30px padding, 15px margins? After all, it will turn out 1200px, and on the Bootstrap website it is written that 1140