Alright, let's work through 2809 times 1801 step by step
2809 × 1801 = 1801 × (2809)
+ 1801 × 9 what gives us 16209
+ 1801 × 00 yielding 0
+ 1801 × 800 that equals 1440800
+ 1801 × 2000 that results in 3602000

= 5059009
