No problem, we've got 8601 and 2519 to multiply
8601 × 2519 = 2519 × (8601)
+ 2519 × 1 that equals 2519
+ 2519 × 00 what gives us 0
+ 2519 × 600 which equals 1511400
+ 2519 × 8000 what gives us 20152000

= 21665919
