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

Example Input: Problem: a “ palindromic integer ” is an integer that remains the same when its digits are reversed . so , for example , 43334 and 516615 are both examples of palindromic integers . how many 6 - digit palindromic integers are both even and greater than 500000 ?
Example Output: 200

Example Input: Problem: last year a worker saved 4 % of her annual salary . this year , she made 10 % more money than last year and she saved 5 % of her salary . the amount she saved this year was what percent of the amount she saved last year ?
Example Output: 137.5 %

Example Input: Problem: 72519 x 9999 = ?
Example Output:
725117481