No problem, we've got 6471 and 8721 to multiply
6471 × 8721 = 8721 × (6471)
+ 8721 × 1 that results in 8721
+ 8721 × 70 resulting in 610470
+ 8721 × 400 giving us 3488400
+ 8721 × 6000 that results in 52326000

= 56433591
