
Why is the answer always 6 when 3 consecutive numbers are multiplayed

The price per ticket for a teacher is $20, and the price per ticket for pupil is $8. 1\4 of the tickets sold were bought by teachers. The total amount of money collected from the sale of tickets to pupils was $416 more than the total amount collected from the sale of tickets to teachers. How much money was collected from the sale of tickets altogether?