namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
Console.Write("輸入第一個數字:");
string a = Console.ReadLine();
char c = char.Parse(a);
Console.Write("輸入第二個數字:");
string b = Console.ReadLine();
char d = char.Parse(b);
Console.Write(Environment.NewLine);
int addNum = c + d;
int subNum = c - d;
int purNum = c * d;
int divNum = c / d;
Console.WriteLine("兩大數相加結果為：{0}", addNum);
Console.WriteLine("兩大數相減結果為：{0}", subNum);
Console.WriteLine("兩大數相乘結果為：{0}", purNum);
Console.WriteLine("兩大數相除結果為：{0}", divNum);
Console.ReadLine();
}
}
}