Alright, let's work through 7581 times 6807 step by step
7581 × 6807 = 6807 × (7581)
+ 6807 × 1 which equals 6807
+ 6807 × 80 giving us 544560
+ 6807 × 500 resulting in 3403500
+ 6807 × 7000 yielding 47649000

= 51603867
