Alright, let's work through 1939 times 7039 step by step
1939 × 7039 = 7039 × (1939)
+ 7039 × 9 giving us 63351
+ 7039 × 30 yielding 211170
+ 7039 × 900 resulting in 6335100
+ 7039 × 1000 producing 7039000

= 13648621
