No problem, we've got 2872 and 6406 to multiply
2872 × 6406 = 6406 × (2872)
+ 6406 × 2 what gives us 12812
+ 6406 × 70 that is equal 448420
+ 6406 × 800 producing 5124800
+ 6406 × 2000 producing 12812000

= 18398032
