No problem, we've got 4242 and 5307 to multiply
4242 × 5307 = 5307 × (4242)
+ 5307 × 2 giving us 10614
+ 5307 × 40 what gives us 212280
+ 5307 × 200 what gives us 1061400
+ 5307 × 4000 that equals 21228000

= 22512294
