We're going to solve 2688 multiplied by 6391
2688 × 6391 = 6391 × (2688)
+ 6391 × 8 giving us 51128
+ 6391 × 80 giving us 511280
+ 6391 × 600 yielding 3834600
+ 6391 × 2000 that equals 12782000

= 17179008
