import java.util.Scanner;

class Main {
    public static void main(String args[]){
	Scanner sc = new Scanner(System.in);

	int a,b,t,sum;
	a = sc.nextInt();
	b = sc.nextInt();
	t = sc.nextInt();

	sum = (t/a) * b;
	System.out.println(sum);
    }
}

	
	 import java.util.Scanner; Scanner java.util class Main {
    public static void main(String args[]){
	Scanner sc = new Scanner(System.in);

	int a,b,t,sum;
	a = sc.nextInt();
	b = sc.nextInt();
	t = sc.nextInt();

	sum = (t/a) * b;
	System.out.println(sum);
    }
} Main public static void main(String args[]){
	Scanner sc = new Scanner(System.in);

	int a,b,t,sum;
	a = sc.nextInt();
	b = sc.nextInt();
	t = sc.nextInt();

	sum = (t/a) * b;
	System.out.println(sum);
    } main {
	Scanner sc = new Scanner(System.in);

	int a,b,t,sum;
	a = sc.nextInt();
	b = sc.nextInt();
	t = sc.nextInt();

	sum = (t/a) * b;
	System.out.println(sum);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a a b b t t sum; sum a = sc.nextInt() a sc.nextInt() sc.nextInt sc b = sc.nextInt() b sc.nextInt() sc.nextInt sc t = sc.nextInt() t sc.nextInt() sc.nextInt sc sum = (t/a) * b sum (t/a) * b (t/a) t a b System.out.println(sum) System.out.println System.out System System.out sum String args[] args
import java.util.Scanner;

class Main {
    public static void main(String args[]){
	Scanner sc = new Scanner(System.in);

	int a,b,t,sum;
	a = sc.nextInt();
	b = sc.nextInt();
	t = sc.nextInt();

	sum = (t/a) * b;
	System.out.println(sum);
    }
}

	
	
