Alright, let's work through 4607 times 6400 step by step
4607 × 6400 = 6400 × (4607)
+ 6400 × 7 producing 44800
+ 6400 × 00 that results in 0
+ 6400 × 600 that equals 3840000
+ 6400 × 4000 which equals 25600000

= 29484800
