> # sum(years * (hours/week)) * (weeks/year) Appears to be Python? Here's it converted to Common Lisp: (defun sum (years hours-per-week weeks-per-year)

> # sum(years * (hours/week)) * (weeks/year) Appears to be Python? Here's it converted to Common Lisp: (defun sum (years hours-per-week weeks-per-year) (* (* years hours-per-week) weeks-per-year))