Alright, let's work through 8419 times 5403 step by step
8419 × 5403 = 5403 × (8419)
+ 5403 × 9 giving us 48627
+ 5403 × 10 what gives us 54030
+ 5403 × 400 that equals 2161200
+ 5403 × 8000 that results in 43224000

= 45487857
