No problem, we've got 3864 and 7123 to multiply
3864 × 7123 = 7123 × (3864)
+ 7123 × 4 that is equal 28492
+ 7123 × 60 producing 427380
+ 7123 × 800 producing 5698400
+ 7123 × 3000 producing 21369000

= 27523272
