Alright, let's work through 8586 times 1598 step by step
8586 × 1598 = 1598 × (8586)
+ 1598 × 6 yielding 9588
+ 1598 × 80 resulting in 127840
+ 1598 × 500 what gives us 799000
+ 1598 × 8000 that equals 12784000

= 13720428
