// This file is a "Hello, world!" in D language by DMD for wandbox.
import std.algorithm, std.conv, std.stdio, std.array;

int main()
{
    const I = readln.split.map!(to!long).array;
    ((I[2]/I[0])*I[1]).writeln;
    return 0;
}

// DMD reference:
//   https://dlang.org/dmd-linux.html

// D language references:
//   https://dlang.org
//   http://www.kmonos.net/alang/d/ ( Japanese )
