No problem, we've got 4293 and 4891 to multiply
4293 × 4891 = 4891 × (4293)
+ 4891 × 3 that equals 14673
+ 4891 × 90 what gives us 440190
+ 4891 × 200 yielding 978200
+ 4891 × 4000 yielding 19564000

= 20997063
