Alright, let's work through 7807 times 6485 step by step
7807 × 6485 = 6485 × (7807)
+ 6485 × 7 which equals 45395
+ 6485 × 00 that is equal 0
+ 6485 × 800 giving us 5188000
+ 6485 × 7000 producing 45395000

= 50628395
