Alright, let's work through 1988 times 3151 step by step
1988 × 3151 = 3151 × (1988)
+ 3151 × 8 giving us 25208
+ 3151 × 80 that results in 252080
+ 3151 × 900 producing 2835900
+ 3151 × 1000 giving us 3151000

= 6264188
