Alright, let's work through 9100 times 7328 step by step
9100 × 7328 = 7328 × (9100)
+ 7328 × 0 giving us 0
+ 7328 × 00 which equals 0
+ 7328 × 100 what gives us 732800
+ 7328 × 9000 producing 65952000

= 66684800
