No problem, we've got 2787 and 8439 to multiply
2787 × 8439 = 8439 × (2787)
+ 8439 × 7 giving us 59073
+ 8439 × 80 what gives us 675120
+ 8439 × 700 resulting in 5907300
+ 8439 × 2000 that equals 16878000

= 23519493
