Let's calculate 3923 x 3974
3923 × 3974 = 3974 × (3923)
+ 3974 × 3 what gives us 11922
+ 3974 × 20 giving us 79480
+ 3974 × 900 which equals 3576600
+ 3974 × 3000 that results in 11922000

= 15590002
