Solve this for me please!!

Probability Level 5

In a plane there are 37 straight lines of which 13 pass through point $A$ and 11 pass through $B$ . Besides no three lines pass through one point, no line passes through both points $A$ and $B$ , and no two are parallel. Then find number of intersection points the lines have.

Answer will be posted in two days if no one else posts it!!