No problem, we've got 2439 and 8912 to multiply
2439 × 8912 = 8912 × (2439)
+ 8912 × 9 which equals 80208
+ 8912 × 30 that is equal 267360
+ 8912 × 400 yielding 3564800
+ 8912 × 2000 resulting in 17824000

= 21736368
