Alright, let's work through 1669 times 7627 step by step
1669 × 7627 = 7627 × (1669)
+ 7627 × 9 what gives us 68643
+ 7627 × 60 giving us 457620
+ 7627 × 600 yielding 4576200
+ 7627 × 1000 resulting in 7627000

= 12729463
