PLZ help

Nino has completed many life expectancy calculators and because he managers his health risk by eating well and exercising, he expects he will live until 97 years old. Nino has projected he will need $80,000 each year during retirement, above and beyond what Social Security will provide him. How much should Nino have saved by age 67 (retirement age) to fund his costs in retirement? Assume that the interest rate he can earn on investments in retirement is 4%