Alright, let's work through 3856101 times 2691370 step by step
3856101 × 2691370 = 2691370 × (3856101)
+ 2691370 × 1 which equals 2691370
+ 2691370 × 00 that results in 0
+ 2691370 × 100 resulting in 269137000
+ 2691370 × 6000 what gives us 16148220000
+ 2691370 × 50000 which equals 134568500000
+ 2691370 × 800000 producing 2153096000000
+ 2691370 × 3000000 what gives us 8074110000000

= 10378194548370
