Alright, let's work through 4485 times 3457 step by step
4485 × 3457 = 3457 × (4485)
+ 3457 × 5 which equals 17285
+ 3457 × 80 what gives us 276560
+ 3457 × 400 resulting in 1382800
+ 3457 × 4000 which equals 13828000

= 15504645
