Let's calculate 6665 x 7937
6665 × 7937 = 7937 × (6665)
+ 7937 × 5 what gives us 39685
+ 7937 × 60 giving us 476220
+ 7937 × 600 which equals 4762200
+ 7937 × 6000 that results in 47622000

= 52900105
