Alright, let's work through 3976 times 4047 step by step
3976 × 4047 = 4047 × (3976)
+ 4047 × 6 which equals 24282
+ 4047 × 70 that equals 283290
+ 4047 × 900 that results in 3642300
+ 4047 × 3000 which equals 12141000

= 16090872
