Alright, let's work through 3689 times 6897 step by step
3689 × 6897 = 6897 × (3689)
+ 6897 × 9 resulting in 62073
+ 6897 × 80 resulting in 551760
+ 6897 × 600 which equals 4138200
+ 6897 × 3000 that equals 20691000

= 25443033
