Alright, let's work through 1942 times 334 step by step
1942 × 334 = 334 × (1942)
+ 334 × 2 that results in 668
+ 334 × 40 that is equal 13360
+ 334 × 900 that results in 300600
+ 334 × 1000 that is equal 334000

= 648628
