Let's calculate 6609 x 7643
6609 × 7643 = 7643 × (6609)
+ 7643 × 9 that results in 68787
+ 7643 × 00 resulting in 0
+ 7643 × 600 that results in 4585800
+ 7643 × 6000 what gives us 45858000

= 50512587
