Alright, let's work through 6435 times 7689 step by step
6435 × 7689 = 7689 × (6435)
+ 7689 × 5 producing 38445
+ 7689 × 30 that equals 230670
+ 7689 × 400 what gives us 3075600
+ 7689 × 6000 that results in 46134000

= 49478715
