I NEED YOUR HELP, PLEASE

I already have Wages, tips, other compensation = (785x52) - (70x52) = $37,180,

and my computer answered $37,180 is CORRECT

My question is HOW DO YOU CALCULATE

1/ Federal Income Tax with held ???????

2/ Social security wages ???????

3/ Medicare wages and tips ????????

I tried 6.2%, 1.45%, 2.9%, 12.4% all the numbers but my computer always said WRONG

Here is more information about the problem above

Ralph I. Volpe Andrews Court, Apt. 7 Philadelphia, PA 19103-3356

Married, 1 allowance

Social security tax withheld 2,530.84 56

$785 per week

Medicare tax withheld 591.76

SS#: 000-00-8804

State income tax withheld 1,253.20

Dependent care payment: $950

Local income tax withheld 1,588.08

$70/week401(k)

State unemployment tax withheld** 24.44