Alright, let's work through 4638 times 6448 step by step
4638 × 6448 = 6448 × (4638)
+ 6448 × 8 producing 51584
+ 6448 × 30 giving us 193440
+ 6448 × 600 what gives us 3868800
+ 6448 × 4000 resulting in 25792000

= 29905824
