Alright, let's work through 1938 times 3967 step by step
1938 × 3967 = 3967 × (1938)
+ 3967 × 8 that is equal 31736
+ 3967 × 30 that is equal 119010
+ 3967 × 900 that is equal 3570300
+ 3967 × 1000 giving us 3967000

= 7688046
