Let's calculate 5626 x 3997
5626 × 3997 = 3997 × (5626)
+ 3997 × 6 what gives us 23982
+ 3997 × 20 that results in 79940
+ 3997 × 600 that results in 2398200
+ 3997 × 5000 yielding 19985000

= 22487122
