import java.util.*;
class Main{
    public static void main(String[] args){
	Scanner stdIn = new Scanner(System.in);
        int A = stdIn.nextInt();
	int B = stdIn.nextInt();
	int T = stdIn.nextInt();
	//double t=T+0.5;
	int s =T/A;
	System.out.println(s*B);
    }
} import java.util.*; util.* java class Main{
    public static void main(String[] args){
	Scanner stdIn = new Scanner(System.in);
        int A = stdIn.nextInt();
	int B = stdIn.nextInt();
	int T = stdIn.nextInt();
	//double t=T+0.5;
	int s =T/A;
	System.out.println(s*B);
    }
} Main public static void main(String[] args){
	Scanner stdIn = new Scanner(System.in);
        int A = stdIn.nextInt();
	int B = stdIn.nextInt();
	int T = stdIn.nextInt();
	//double t=T+0.5;
	int s =T/A;
	System.out.println(s*B);
    } main {
	Scanner stdIn = new Scanner(System.in);
        int A = stdIn.nextInt();
	int B = stdIn.nextInt();
	int T = stdIn.nextInt();
	//double t=T+0.5;
	int s =T/A;
	System.out.println(s*B);
    } Scanner stdIn = new Scanner(System.in); stdIn new Scanner(System.in) int A = stdIn.nextInt(); A stdIn.nextInt() stdIn.nextInt stdIn int B = stdIn.nextInt(); B stdIn.nextInt() stdIn.nextInt stdIn int T = stdIn.nextInt(); T stdIn.nextInt() stdIn.nextInt stdIn int s =T/A; s T/A T A System.out.println(s*B) System.out.println System.out System System.out s*B s B String[] args args
import java.util.*;
class Main{
    public static void main(String[] args){
	Scanner stdIn = new Scanner(System.in);
        int A = stdIn.nextInt();
	int B = stdIn.nextInt();
	int T = stdIn.nextInt();
	//double t=T+0.5;
	int s =T/A;
	System.out.println(s*B);
    }
}
