No problem, we've got 2523 and 7671 to multiply
2523 × 7671 = 7671 × (2523)
+ 7671 × 3 what gives us 23013
+ 7671 × 20 producing 153420
+ 7671 × 500 resulting in 3835500
+ 7671 × 2000 that results in 15342000

= 19353933
