Alright, let's work through 6396 times 578 step by step
6396 × 578 = 578 × (6396)
+ 578 × 6 resulting in 3468
+ 578 × 90 yielding 52020
+ 578 × 300 which equals 173400
+ 578 × 6000 that equals 3468000

= 3696888
