Alright, let's work through 3828 times 6415 step by step
3828 × 6415 = 6415 × (3828)
+ 6415 × 8 that equals 51320
+ 6415 × 20 that results in 128300
+ 6415 × 800 that is equal 5132000
+ 6415 × 3000 resulting in 19245000

= 24556620
