11000(1.333)^84
11,000 x 1.333^84
11,000 x 30,600,783,817.021
=$336,608,621,987,230.89 !!!!!
P.S. There is something wrong with your interest rate !!. You can't have 33.3% per month !!!. Even 3.33% is too high.
Remember: 3% means =3 / 100 =0.03......and so on.
