Alright, let's work through 6356 times 2602 step by step
6356 × 2602 = 2602 × (6356)
+ 2602 × 6 that results in 15612
+ 2602 × 50 yielding 130100
+ 2602 × 300 which equals 780600
+ 2602 × 6000 that equals 15612000

= 16538312
