No problem, we've got 5944 and 8621 to multiply
5944 × 8621 = 8621 × (5944)
+ 8621 × 4 giving us 34484
+ 8621 × 40 yielding 344840
+ 8621 × 900 that equals 7758900
+ 8621 × 5000 yielding 43105000

= 51243224
