Alright, let's work through 3080 times 6121 step by step
3080 × 6121 = 6121 × (3080)
+ 6121 × 0 what gives us 0
+ 6121 × 80 that results in 489680
+ 6121 × 000 which equals 0
+ 6121 × 3000 which equals 18363000

= 18852680
