We're going to solve 7643 multiplied by 7149
7643 × 7149 = 7149 × (7643)
+ 7149 × 3 that results in 21447
+ 7149 × 40 producing 285960
+ 7149 × 600 yielding 4289400
+ 7149 × 7000 producing 50043000

= 54639807
