Alright, let's work through 7421 times 5378 step by step
7421 × 5378 = 5378 × (7421)
+ 5378 × 1 that equals 5378
+ 5378 × 20 resulting in 107560
+ 5378 × 400 that equals 2151200
+ 5378 × 7000 giving us 37646000

= 39910138
