Alright, let's work through 7942 times 450 step by step
7942 × 450 = 450 × (7942)
+ 450 × 2 resulting in 900
+ 450 × 40 resulting in 18000
+ 450 × 900 that equals 405000
+ 450 × 7000 that equals 3150000

= 3573900
