Alright, let's work through 1342 times 1821 step by step
1342 × 1821 = 1821 × (1342)
+ 1821 × 2 which equals 3642
+ 1821 × 40 that is equal 72840
+ 1821 × 300 yielding 546300
+ 1821 × 1000 that is equal 1821000

= 2443782
