A real interest rate is an interest rate that has been adjusted to remove the effects of inflation to reflect the real cost of funds to the borrower and the real yield to the lender or to an investor. A nominal interest rate refers to the interest rate before taking inflation into account.
All you have to do is add 214+24+134 so you can use the standard algorithm. And mine is not lined up but you have to make sure it is lined up correctly. And your answer is 588.