Let's calculate 3849 x 9891
3849 × 9891 = 9891 × (3849)
+ 9891 × 9 that is equal 89019
+ 9891 × 40 that equals 395640
+ 9891 × 800 what gives us 7912800
+ 9891 × 3000 resulting in 29673000

= 38070459
