We're going to solve 1280 multiplied by 6289
1280 × 6289 = 6289 × (1280)
+ 6289 × 0 giving us 0
+ 6289 × 80 what gives us 503120
+ 6289 × 200 that is equal 1257800
+ 6289 × 1000 yielding 6289000

= 8049920
