Alright, let's work through 8639 times 4252 step by step
8639 × 4252 = 4252 × (8639)
+ 4252 × 9 resulting in 38268
+ 4252 × 30 which equals 127560
+ 4252 × 600 that results in 2551200
+ 4252 × 8000 that equals 34016000

= 36733028
