Alright, let's work through 1282 times 3987 step by step
1282 × 3987 = 3987 × (1282)
+ 3987 × 2 giving us 7974
+ 3987 × 80 that results in 318960
+ 3987 × 200 giving us 797400
+ 3987 × 1000 resulting in 3987000

= 5111334
