Alright, let's work through 3657 times 1393 step by step
3657 × 1393 = 1393 × (3657)
+ 1393 × 7 yielding 9751
+ 1393 × 50 giving us 69650
+ 1393 × 600 producing 835800
+ 1393 × 3000 what gives us 4179000

= 5094201
