4

using System;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Write("a =");
            float a = float.Parse(Console.ReadLine());
            Console.Write("b =");
            float b = float.Parse(Console.ReadLine());
            float k = a*b;
            Console.Write(a+"*"+b+"=");
            Console.Write("{0:#.##}", k);
            Console.ReadLine();
        }
    }
}