No problem, we've got 2121 and 5768 to multiply
2121 × 5768 = 5768 × (2121)
+ 5768 × 1 producing 5768
+ 5768 × 20 giving us 115360
+ 5768 × 100 yielding 576800
+ 5768 × 2000 which equals 11536000

= 12233928
