Alright, let's work through 4102 times 1277 step by step
4102 × 1277 = 1277 × (4102)
+ 1277 × 2 yielding 2554
+ 1277 × 00 what gives us 0
+ 1277 × 100 giving us 127700
+ 1277 × 4000 producing 5108000

= 5238254
