Please explain what you mean by a standard deduction "add back?" Your standard deduction is on line 12e. It is based on your filing status and the date of birth you entered in MY INFO.
2025 STANDARD DEDUCTION AMOUNTS
SINGLE $15,750 (65 or older/legally blind + $2000)
MARRIED FILING SEPARATELY $15,750 (65 or older/legally blind +1600)
MARRIED FILING JOINTLY $31,500 (65 or older/legally blind + $1600)
HEAD OF HOUSEHOLD $23,625 (65 or older/legally blind + $2000)