Alright, let's work through 3087 times 3983 step by step
3087 × 3983 = 3983 × (3087)
+ 3983 × 7 what gives us 27881
+ 3983 × 80 that is equal 318640
+ 3983 × 000 what gives us 0
+ 3983 × 3000 yielding 11949000

= 12295521
