No problem, we've got 4398 and 2256 to multiply
4398 × 2256 = 2256 × (4398)
+ 2256 × 8 which equals 18048
+ 2256 × 90 yielding 203040
+ 2256 × 300 what gives us 676800
+ 2256 × 4000 resulting in 9024000

= 9921888
