Alright, let's work through 9903 times 3423 step by step
9903 × 3423 = 3423 × (9903)
+ 3423 × 3 that is equal 10269
+ 3423 × 00 that results in 0
+ 3423 × 900 that is equal 3080700
+ 3423 × 9000 giving us 30807000

= 33897969
