We're going to solve 7430 multiplied by 6390
7430 × 6390 = 6390 × (7430)
+ 6390 × 0 producing 0
+ 6390 × 30 what gives us 191700
+ 6390 × 400 producing 2556000
+ 6390 × 7000 what gives us 44730000

= 47477700
