No problem, we've got 2543 and 6831 to multiply
2543 × 6831 = 6831 × (2543)
+ 6831 × 3 producing 20493
+ 6831 × 40 yielding 273240
+ 6831 × 500 that is equal 3415500
+ 6831 × 2000 which equals 13662000

= 17371233
