Alright, let's work through 3123 times 9919 step by step
3123 × 9919 = 9919 × (3123)
+ 9919 × 3 giving us 29757
+ 9919 × 20 producing 198380
+ 9919 × 100 resulting in 991900
+ 9919 × 3000 which equals 29757000

= 30977037
