Alright, let's work through 8454 times 3321 step by step
8454 × 3321 = 3321 × (8454)
+ 3321 × 4 producing 13284
+ 3321 × 50 resulting in 166050
+ 3321 × 400 what gives us 1328400
+ 3321 × 8000 producing 26568000

= 28075734
