Alright, let's work through 2642 times 1005 step by step
2642 × 1005 = 1005 × (2642)
+ 1005 × 2 yielding 2010
+ 1005 × 40 yielding 40200
+ 1005 × 600 yielding 603000
+ 1005 × 2000 that results in 2010000

= 2655210
