Alright, let's work through 6466 times 9555 step by step
6466 × 9555 = 9555 × (6466)
+ 9555 × 6 producing 57330
+ 9555 × 60 yielding 573300
+ 9555 × 400 which equals 3822000
+ 9555 × 6000 producing 57330000

= 61782630
