Alright, let's work through 8401 times 9923 step by step
8401 × 9923 = 9923 × (8401)
+ 9923 × 1 that equals 9923
+ 9923 × 00 that equals 0
+ 9923 × 400 yielding 3969200
+ 9923 × 8000 that results in 79384000

= 83363123
