Alright, let's work through 6585 times 891 step by step
6585 × 891 = 891 × (6585)
+ 891 × 5 yielding 4455
+ 891 × 80 producing 71280
+ 891 × 500 what gives us 445500
+ 891 × 6000 what gives us 5346000

= 5867235
