No problem, we've got 8721 and 5808 to multiply
8721 × 5808 = 5808 × (8721)
+ 5808 × 1 giving us 5808
+ 5808 × 20 yielding 116160
+ 5808 × 700 producing 4065600
+ 5808 × 8000 giving us 46464000

= 50651568
