We're going to solve 1900 multiplied by 9902
1900 × 9902 = 9902 × (1900)
+ 9902 × 0 resulting in 0
+ 9902 × 00 which equals 0
+ 9902 × 900 what gives us 8911800
+ 9902 × 1000 what gives us 9902000

= 18813800
