Alright, let's work through 7454 times 838 step by step
7454 × 838 = 838 × (7454)
+ 838 × 4 producing 3352
+ 838 × 50 giving us 41900
+ 838 × 400 resulting in 335200
+ 838 × 7000 that results in 5866000

= 6246452
