Alright, let's work through 3988 times 1582 step by step
3988 × 1582 = 1582 × (3988)
+ 1582 × 8 that equals 12656
+ 1582 × 80 that is equal 126560
+ 1582 × 900 resulting in 1423800
+ 1582 × 3000 what gives us 4746000

= 6309016
