Alright, let's work through 8091 times 3524 step by step
8091 × 3524 = 3524 × (8091)
+ 3524 × 1 which equals 3524
+ 3524 × 90 that equals 317160
+ 3524 × 000 what gives us 0
+ 3524 × 8000 producing 28192000

= 28512684
