No problem, we've got 2844 and 5583 to multiply
2844 × 5583 = 5583 × (2844)
+ 5583 × 4 yielding 22332
+ 5583 × 40 that is equal 223320
+ 5583 × 800 that is equal 4466400
+ 5583 × 2000 resulting in 11166000

= 15878052
