No problem, we've got 2903 and 5321 to multiply
2903 × 5321 = 5321 × (2903)
+ 5321 × 3 that results in 15963
+ 5321 × 00 resulting in 0
+ 5321 × 900 that results in 4788900
+ 5321 × 2000 producing 10642000

= 15446863
