Alright, let's work through 3966 times 5554 step by step
3966 × 5554 = 5554 × (3966)
+ 5554 × 6 which equals 33324
+ 5554 × 60 that results in 333240
+ 5554 × 900 that results in 4998600
+ 5554 × 3000 producing 16662000

= 22027164
