Alright, let's work through 9880 times 8413 step by step
9880 × 8413 = 8413 × (9880)
+ 8413 × 0 which equals 0
+ 8413 × 80 yielding 673040
+ 8413 × 800 that results in 6730400
+ 8413 × 9000 that is equal 75717000

= 83120440
