Alright, let's work through 4127 times 2021 step by step
4127 × 2021 = 2021 × (4127)
+ 2021 × 7 producing 14147
+ 2021 × 20 resulting in 40420
+ 2021 × 100 that equals 202100
+ 2021 × 4000 that results in 8084000

= 8340667
