Let's calculate 3989 x 9172
3989 × 9172 = 9172 × (3989)
+ 9172 × 9 that results in 82548
+ 9172 × 80 what gives us 733760
+ 9172 × 900 that results in 8254800
+ 9172 × 3000 that equals 27516000

= 36587108
