Alright, let's work through 6459 times 9894 step by step
6459 × 9894 = 9894 × (6459)
+ 9894 × 9 which equals 89046
+ 9894 × 50 what gives us 494700
+ 9894 × 400 yielding 3957600
+ 9894 × 6000 giving us 59364000

= 63905346
