i cant find right answer can someone help me

You just won the $45 million lottery. You will receive $2.5 million a year for the next 15 years plus an additional payment of $7.5 million at the end of 15 years. The interest rate is 11 percent. How much is your lottery prize worth today? (Enter your answer as a positive number rounded to 2 decimal places.) Answer is complete but not entirely correct. $ 33,652,500.00