Alright, let's work through 8413 times 1121 step by step
8413 × 1121 = 1121 × (8413)
+ 1121 × 3 that equals 3363
+ 1121 × 10 that is equal 11210
+ 1121 × 400 giving us 448400
+ 1121 × 8000 resulting in 8968000

= 9430973
