Alright, let's work through 8399 times 9059 step by step
8399 × 9059 = 9059 × (8399)
+ 9059 × 9 that equals 81531
+ 9059 × 90 what gives us 815310
+ 9059 × 300 that equals 2717700
+ 9059 × 8000 producing 72472000

= 76086541
