Alright, let's work through 9905 times 1252 step by step
9905 × 1252 = 1252 × (9905)
+ 1252 × 5 that equals 6260
+ 1252 × 00 which equals 0
+ 1252 × 900 that is equal 1126800
+ 1252 × 9000 that equals 11268000

= 12401060
