Alright, let's work through 4102 times 6442 step by step
4102 × 6442 = 6442 × (4102)
+ 6442 × 2 yielding 12884
+ 6442 × 00 that is equal 0
+ 6442 × 100 yielding 644200
+ 6442 × 4000 what gives us 25768000

= 26425084
