We're going to solve 7809 multiplied by 6600
7809 × 6600 = 6600 × (7809)
+ 6600 × 9 which equals 59400
+ 6600 × 00 what gives us 0
+ 6600 × 800 that is equal 5280000
+ 6600 × 7000 yielding 46200000

= 51539400
