What was the question for this implicit rationale, and corresponding answer?
They sold 400 * .8 = 320 tickets each day. So each day they made 320 * 30 = $9600. They did 2 + 1 = 3 days. So they made 9600 * 3 = $28,800.
 The answer: 28800
The question: A small theater company sells tickets to a show. They have a 400 seat theater and fill to 80% capacity. Each ticket cost $30. They repeated the same performance 2 other days. How much did they make?