Alright, let's work through 6628 times 2737 step by step
6628 × 2737 = 2737 × (6628)
+ 2737 × 8 yielding 21896
+ 2737 × 20 that results in 54740
+ 2737 × 600 yielding 1642200
+ 2737 × 6000 yielding 16422000

= 18140836
