Alright, let's work through 4554 times 4638 step by step
4554 × 4638 = 4638 × (4554)
+ 4638 × 4 that results in 18552
+ 4638 × 50 which equals 231900
+ 4638 × 500 what gives us 2319000
+ 4638 × 4000 resulting in 18552000

= 21121452
