Alright, let's work through 8410 times 9935 step by step
8410 × 9935 = 9935 × (8410)
+ 9935 × 0 what gives us 0
+ 9935 × 10 what gives us 99350
+ 9935 × 400 which equals 3974000
+ 9935 × 8000 that equals 79480000

= 83553350
