Alright, let's work through 3880 times 6309 step by step
3880 × 6309 = 6309 × (3880)
+ 6309 × 0 that results in 0
+ 6309 × 80 producing 504720
+ 6309 × 800 which equals 5047200
+ 6309 × 3000 producing 18927000

= 24478920
