No problem, we've got 4207 and 5553 to multiply
4207 × 5553 = 5553 × (4207)
+ 5553 × 7 that is equal 38871
+ 5553 × 00 that equals 0
+ 5553 × 200 which equals 1110600
+ 5553 × 4000 that equals 22212000

= 23361471
