Alright, let's work through 5289 times 3977 step by step
5289 × 3977 = 3977 × (5289)
+ 3977 × 9 yielding 35793
+ 3977 × 80 resulting in 318160
+ 3977 × 200 producing 795400
+ 3977 × 5000 which equals 19885000

= 21034353
