Alright, let's work through 4220 times 9889 step by step
4220 × 9889 = 9889 × (4220)
+ 9889 × 0 yielding 0
+ 9889 × 20 yielding 197780
+ 9889 × 200 yielding 1977800
+ 9889 × 4000 giving us 39556000

= 41731580
