Alright, let's work through 7939 times 2358 step by step
7939 × 2358 = 2358 × (7939)
+ 2358 × 9 that equals 21222
+ 2358 × 30 producing 70740
+ 2358 × 900 which equals 2122200
+ 2358 × 7000 giving us 16506000

= 18720162
