Alright, let's work through 3858 times 9792 step by step
3858 × 9792 = 9792 × (3858)
+ 9792 × 8 that is equal 78336
+ 9792 × 50 yielding 489600
+ 9792 × 800 that results in 7833600
+ 9792 × 3000 producing 29376000

= 37777536
