2 x 365 = 730
Every year has 52 full weeks. In addition, ordinary years have one more day, and leap years have two more days.
19 years, two months
How many cents in $4.50
If only one of them is a leap year, then there are about 2556 days If two of them are leap years, then there are about 2557 days.
One extra day in an 'ordinary' year, two in a Leap Year.