Alright, let's work through 1642 times 3342 step by step
1642 × 3342 = 3342 × (1642)
+ 3342 × 2 which equals 6684
+ 3342 × 40 that results in 133680
+ 3342 × 600 what gives us 2005200
+ 3342 × 1000 what gives us 3342000

= 5487564
