Alright, let's work through 4451 times 4503 step by step
4451 × 4503 = 4503 × (4451)
+ 4503 × 1 what gives us 4503
+ 4503 × 50 what gives us 225150
+ 4503 × 400 that equals 1801200
+ 4503 × 4000 that results in 18012000

= 20042853
