No problem, we've got 5399 and 2879 to multiply
5399 × 2879 = 2879 × (5399)
+ 2879 × 9 giving us 25911
+ 2879 × 90 producing 259110
+ 2879 × 300 that results in 863700
+ 2879 × 5000 yielding 14395000

= 15543721
