Alright, let's work through 7844 times 9623 step by step
7844 × 9623 = 9623 × (7844)
+ 9623 × 4 that equals 38492
+ 9623 × 40 that equals 384920
+ 9623 × 800 yielding 7698400
+ 9623 × 7000 resulting in 67361000

= 75482812
