We're going to solve 1245 multiplied by 9902
1245 × 9902 = 9902 × (1245)
+ 9902 × 5 resulting in 49510
+ 9902 × 40 what gives us 396080
+ 9902 × 200 that equals 1980400
+ 9902 × 1000 that equals 9902000

= 12327990
