Alright, let's work through 3897 times 7732 step by step
3897 × 7732 = 7732 × (3897)
+ 7732 × 7 which equals 54124
+ 7732 × 90 that equals 695880
+ 7732 × 800 resulting in 6185600
+ 7732 × 3000 producing 23196000

= 30131604
