Alright, let's work through 8691 times 872 step by step
8691 × 872 = 872 × (8691)
+ 872 × 1 that is equal 872
+ 872 × 90 giving us 78480
+ 872 × 600 that equals 523200
+ 872 × 8000 that results in 6976000

= 7578552
