图片发自简书App

Console.WriteLine("本金");

string str_p=Console.ReadLine();

int p=Convert.ToInt32(str_p);

Console.WriteLine("年利率");

string str_r=Console.ReadLine();

int r=Convert.ToInt32(str_r);

Console.WriteLine("年数");

string str_n=Console.ReadLine();

int n=Convert.ToInt32(str_n);

Console.WriteLine("总金");

int a=p*(1+r)*n;

Console.WriteLine (a); Console.ReadKey();