Alright, let's work through 4218 times 455 step by step
4218 × 455 = 455 × (4218)
+ 455 × 8 giving us 3640
+ 455 × 10 which equals 4550
+ 455 × 200 resulting in 91000
+ 455 × 4000 that results in 1820000

= 1919190
