We're going to solve 6344 multiplied by 6387
6344 × 6387 = 6387 × (6344)
+ 6387 × 4 what gives us 25548
+ 6387 × 40 yielding 255480
+ 6387 × 300 giving us 1916100
+ 6387 × 6000 producing 38322000

= 40519128
