We're going to solve 1903 multiplied by 4447
1903 × 4447 = 4447 × (1903)
+ 4447 × 3 that results in 13341
+ 4447 × 00 what gives us 0
+ 4447 × 900 that results in 4002300
+ 4447 × 1000 yielding 4447000

= 8462641
