Alright, let's work through 7908 times 521 step by step
7908 × 521 = 521 × (7908)
+ 521 × 8 resulting in 4168
+ 521 × 00 producing 0
+ 521 × 900 what gives us 468900
+ 521 × 7000 that results in 3647000

= 4120068
