Alright, let's work through 2755 times 1631 step by step
2755 × 1631 = 1631 × (2755)
+ 1631 × 5 that results in 8155
+ 1631 × 50 that is equal 81550
+ 1631 × 700 giving us 1141700
+ 1631 × 2000 producing 3262000

= 4493405
