The teams have 33 total wins because 12 + 13 + 8 = <<12+13+8=33>>33
The teams have 66 points from wins because 33 x 2 = <<33*2=66>>66
The teams have 15 total ties because 4 + 1 + 10 = <<4+1+10=15>>15
The teams have 15 points from ties because 15 x 1 = <<15*1=15>>15
The teams have 81 total points because 66 + 15 = <<66+15=81>>81
The average number of points per team is 27 because 81 / 3 = <<81/3=27>>27
#### 27