Alright, let's work through 6419 times 7155 step by step
6419 × 7155 = 7155 × (6419)
+ 7155 × 9 producing 64395
+ 7155 × 10 that is equal 71550
+ 7155 × 400 giving us 2862000
+ 7155 × 6000 resulting in 42930000

= 45927945
