Alright, let's work through 6435 times 8813 step by step
6435 × 8813 = 8813 × (6435)
+ 8813 × 5 yielding 44065
+ 8813 × 30 producing 264390
+ 8813 × 400 giving us 3525200
+ 8813 × 6000 resulting in 52878000

= 56711655
