Alright, let's work through 2702 times 8507 step by step
2702 × 8507 = 8507 × (2702)
+ 8507 × 2 that results in 17014
+ 8507 × 00 which equals 0
+ 8507 × 700 yielding 5954900
+ 8507 × 2000 producing 17014000

= 22985914
