Alright, let's work through 8289 times 4713 step by step
8289 × 4713 = 4713 × (8289)
+ 4713 × 9 that is equal 42417
+ 4713 × 80 that is equal 377040
+ 4713 × 200 producing 942600
+ 4713 × 8000 resulting in 37704000

= 39066057
