Let's calculate 6342 x 7509
6342 × 7509 = 7509 × (6342)
+ 7509 × 2 resulting in 15018
+ 7509 × 40 that results in 300360
+ 7509 × 300 giving us 2252700
+ 7509 × 6000 that results in 45054000

= 47622078
