using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.IO; using System.Linq; using System.Numerics; using System.Text; using System.Text.RegularExpressions; using static System.Math; using System.Threading.Tasks; using MethodImplAttribute = System.Runtime.CompilerServices.MethodImplAttribute; using MethodImplOptions = System.Runtime.CompilerServices.MethodImplOptions; public static class P { public static void Main() { var abc = Console.ReadLine().Split().Select(int.Parse).ToArray(); var a = abc[0]; var b = abc[1]; var c = abc[2]; Console.WriteLine(a * ((double)c / b)); } }