Alright, let's work through 8923 times 1129 step by step
8923 × 1129 = 1129 × (8923)
+ 1129 × 3 producing 3387
+ 1129 × 20 resulting in 22580
+ 1129 × 900 yielding 1016100
+ 1129 × 8000 giving us 9032000

= 10074067
