Alright, let's work through 3657 times 3909 step by step
3657 × 3909 = 3909 × (3657)
+ 3909 × 7 which equals 27363
+ 3909 × 50 producing 195450
+ 3909 × 600 that equals 2345400
+ 3909 × 3000 giving us 11727000

= 14295213
