Alright, let's work through 6642 times 2602 step by step
6642 × 2602 = 2602 × (6642)
+ 2602 × 2 what gives us 5204
+ 2602 × 40 resulting in 104080
+ 2602 × 600 that is equal 1561200
+ 2602 × 6000 yielding 15612000

= 17282484
