Alright, let's work through 6443 times 4932 step by step
6443 × 4932 = 4932 × (6443)
+ 4932 × 3 producing 14796
+ 4932 × 40 yielding 197280
+ 4932 × 400 which equals 1972800
+ 4932 × 6000 giving us 29592000

= 31776876
