Alright, let's work through 8480 times 6638 step by step
8480 × 6638 = 6638 × (8480)
+ 6638 × 0 giving us 0
+ 6638 × 80 what gives us 531040
+ 6638 × 400 producing 2655200
+ 6638 × 8000 resulting in 53104000

= 56290240
