The 6,000 senior deduction will be calculated on 1040 Schedule 1-A page 2 Part V Enhanced Deduction for Seniors which goes to 1040 line 13b. It is separate and in addition to the Standard Deduction or your Itemized Deductions on 1040 line 12e. Turbol Tax automatically includes it.
IRS Schedule 1-A
https://www.irs.gov/pub/irs-dft/f1040s1a--dft.pdf
