The task is to generate the correct answer for a given math problem.

Example Input: Problem: 475.124 x 15.98 ÷ 8.001 + 33.33 = ?
Example Output: 983.578

Example Input: Problem: carl is facing very difficult financial times and can only pay the interest on a $ 10,000 loan he has taken . the bank charges him a quarterly compound rate of 8 % . what is the approximate interest he pays annually ?
Example Output: 3500

Example Input: Problem: seed mixture x is 40 percent ryegrass and 60 percent bluegrass by weight ; seed mixture y is 25 percent ryegrass and 75 percent fescue . if a mixture of x and y contains 35 percent ryegrass , what percent of the weight of this mixture is x ?
Example Output:
66.66