Alright, let's work through 1990 times 9188 step by step
1990 × 9188 = 9188 × (1990)
+ 9188 × 0 yielding 0
+ 9188 × 90 resulting in 826920
+ 9188 × 900 resulting in 8269200
+ 9188 × 1000 resulting in 9188000

= 18284120
