Alright, let's work through 4209 times 2069 step by step
4209 × 2069 = 2069 × (4209)
+ 2069 × 9 that equals 18621
+ 2069 × 00 resulting in 0
+ 2069 × 200 which equals 413800
+ 2069 × 4000 giving us 8276000

= 8708421
