Alright, let's work through 9862 times 378 step by step
9862 × 378 = 378 × (9862)
+ 378 × 2 that is equal 756
+ 378 × 60 which equals 22680
+ 378 × 800 that equals 302400
+ 378 × 9000 resulting in 3402000

= 3727836
