Alright, let's work through 3689 times 6835 step by step
3689 × 6835 = 6835 × (3689)
+ 6835 × 9 producing 61515
+ 6835 × 80 which equals 546800
+ 6835 × 600 that equals 4101000
+ 6835 × 3000 which equals 20505000

= 25214315
