We're going to solve 9149 multiplied by 1990
9149 × 1990 = 1990 × (9149)
+ 1990 × 9 what gives us 17910
+ 1990 × 40 which equals 79600
+ 1990 × 100 resulting in 199000
+ 1990 × 9000 that equals 17910000

= 18206510
