Alright, let's work through 8991 times 943 step by step
8991 × 943 = 943 × (8991)
+ 943 × 1 yielding 943
+ 943 × 90 producing 84870
+ 943 × 900 what gives us 848700
+ 943 × 8000 resulting in 7544000

= 8478513
