No problem, we've got 2921 and 6351 to multiply
2921 × 6351 = 6351 × (2921)
+ 6351 × 1 that equals 6351
+ 6351 × 20 that equals 127020
+ 6351 × 900 that equals 5715900
+ 6351 × 2000 that is equal 12702000

= 18551271
