No problem, we've got 5039 and 4228 to multiply
5039 × 4228 = 4228 × (5039)
+ 4228 × 9 that equals 38052
+ 4228 × 30 yielding 126840
+ 4228 × 000 what gives us 0
+ 4228 × 5000 that equals 21140000

= 21304892
