Alright, let's work through 8419 times 1990 step by step
8419 × 1990 = 1990 × (8419)
+ 1990 × 9 producing 17910
+ 1990 × 10 that equals 19900
+ 1990 × 400 which equals 796000
+ 1990 × 8000 resulting in 15920000

= 16753810
