Alright, let's work through 8674 times 4639 step by step
8674 × 4639 = 4639 × (8674)
+ 4639 × 4 which equals 18556
+ 4639 × 70 yielding 324730
+ 4639 × 600 that results in 2783400
+ 4639 × 8000 yielding 37112000

= 40238686
