Alright, let's work through 4353 times 1966 step by step
4353 × 1966 = 1966 × (4353)
+ 1966 × 3 which equals 5898
+ 1966 × 50 producing 98300
+ 1966 × 300 that results in 589800
+ 1966 × 4000 yielding 7864000

= 8557998
