Alright, let's work through 4102 times 345 step by step
4102 × 345 = 345 × (4102)
+ 345 × 2 resulting in 690
+ 345 × 00 that results in 0
+ 345 × 100 resulting in 34500
+ 345 × 4000 which equals 1380000

= 1415190
