Alright, let's work through 9643 times 7423 step by step
9643 × 7423 = 7423 × (9643)
+ 7423 × 3 that equals 22269
+ 7423 × 40 what gives us 296920
+ 7423 × 600 that equals 4453800
+ 7423 × 9000 what gives us 66807000

= 71579989
