Alright, let's work through 7939 times 1994 step by step
7939 × 1994 = 1994 × (7939)
+ 1994 × 9 giving us 17946
+ 1994 × 30 yielding 59820
+ 1994 × 900 producing 1794600
+ 1994 × 7000 that results in 13958000

= 15830366
