["Find total units: 2 + 9 = 11 units. Each unit = 132 / 11 = 12 staff.","Doctors = 2 x 12 = 24. Specialists:GP = 5:1 so GP = 1/6 x 24 = 4.","Nurses = 9 x 12 = 108. Registered:trainee = 7:2 so trainees = 2/9 x 108 = 24. Total GP + trainees = 4 + 24 = 28."]