Alright, let's work through 8405 times 9479 step by step
8405 × 9479 = 9479 × (8405)
+ 9479 × 5 giving us 47395
+ 9479 × 00 which equals 0
+ 9479 × 400 resulting in 3791600
+ 9479 × 8000 that equals 75832000

= 79670995
