What did the use of atomic bombs during world war ii lead to?

The bombing during the World War II led to the instant death of 80,000 people. On the second day of the bombing, another 40,000 people. Further, the death count increased more and more because of the radiation poisoning. 

Use the formula: (n-2)×180, where n is the number of sides(18-2)×180= 28800, now this is the full exterior angle of 18-gon so you divide it by 18.28800÷18=160