We're going to solve 1239 multiplied by 4091
1239 × 4091 = 4091 × (1239)
+ 4091 × 9 which equals 36819
+ 4091 × 30 giving us 122730
+ 4091 × 200 what gives us 818200
+ 4091 × 1000 what gives us 4091000

= 5068749
