No problem, we've got 5881 and 3557 to multiply
5881 × 3557 = 3557 × (5881)
+ 3557 × 1 what gives us 3557
+ 3557 × 80 yielding 284560
+ 3557 × 800 that is equal 2845600
+ 3557 × 5000 giving us 17785000

= 20918717
