fun main (args : Array<String>) {
	val (t, n, l) = readLine()!!.split(" ").map(String::toInt)
	var time : Int = t.toInt()
	var num : Int = n.toInt()
	var limit : Int = l.toInt()
	val timeLimit : Double = (limit + 0.5) / time
	var count : Int = 0
	for (i in 0..timeLimit.toInt()) {
		count++
	}
	println("${num * (count - 1)}")
}