Alright, let's work through 9905 times 7251 step by step
9905 × 7251 = 7251 × (9905)
+ 7251 × 5 producing 36255
+ 7251 × 00 which equals 0
+ 7251 × 900 yielding 6525900
+ 7251 × 9000 giving us 65259000

= 71821155
