Alright, let's work through 5977 times 3971 step by step
5977 × 3971 = 3971 × (5977)
+ 3971 × 7 which equals 27797
+ 3971 × 70 which equals 277970
+ 3971 × 900 which equals 3573900
+ 3971 × 5000 resulting in 19855000

= 23734667
