Alright, let's work through 1938 times 1900 step by step
1938 × 1900 = 1900 × (1938)
+ 1900 × 8 what gives us 15200
+ 1900 × 30 producing 57000
+ 1900 × 900 which equals 1710000
+ 1900 × 1000 that equals 1900000

= 3682200
