No problem, we've got 5085 and 4045 to multiply
5085 × 4045 = 4045 × (5085)
+ 4045 × 5 that equals 20225
+ 4045 × 80 resulting in 323600
+ 4045 × 000 producing 0
+ 4045 × 5000 which equals 20225000

= 20568825
