object Main{
  def main(args: Array[String]){
    if (sys.env.getOrElse("TEST", "")=="1"){

    }else{
      val input=io.Source.stdin.getLines().mkString("\n")
      println(solve(input).toString.trim());
    }
  }


  def solve(input:String):Int ={
    val nums = input.split(" ").map(_ .toInt)
    val times = nums(2)/nums(0)
    nums(1) * times 
  }
}