Alright, let's work through 2455 times 4977 step by step
2455 × 4977 = 4977 × (2455)
+ 4977 × 5 giving us 24885
+ 4977 × 50 what gives us 248850
+ 4977 × 400 that is equal 1990800
+ 4977 × 2000 that is equal 9954000

= 12218535
