Let's calculate 3879 x 4053
3879 × 4053 = 4053 × (3879)
+ 4053 × 9 which equals 36477
+ 4053 × 70 that results in 283710
+ 4053 × 800 that equals 3242400
+ 4053 × 3000 that equals 12159000

= 15721587
