Alright, let's work through 4463 times 4455 step by step
4463 × 4455 = 4455 × (4463)
+ 4455 × 3 what gives us 13365
+ 4455 × 60 resulting in 267300
+ 4455 × 400 yielding 1782000
+ 4455 × 4000 producing 17820000

= 19882665
