Alright, let's work through 6408 times 7904 step by step
6408 × 7904 = 7904 × (6408)
+ 7904 × 8 yielding 63232
+ 7904 × 00 that results in 0
+ 7904 × 400 that results in 3161600
+ 7904 × 6000 giving us 47424000

= 50648832
