Alright, let's work through 4121 times 4326 step by step
4121 × 4326 = 4326 × (4121)
+ 4326 × 1 producing 4326
+ 4326 × 20 which equals 86520
+ 4326 × 100 giving us 432600
+ 4326 × 4000 which equals 17304000

= 17827446
