import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        if(A > T){
            System.out.println(0);
        }else{
            int result = T / A * B;
            System.out.println(result);
        }
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        if(A > T){
            System.out.println(0);
        }else{
            int result = T / A * B;
            System.out.println(result);
        }
    }
} Main public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        if(A > T){
            System.out.println(0);
        }else{
            int result = T / A * B;
            System.out.println(result);
        }
    } main {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        if(A > T){
            System.out.println(0);
        }else{
            int result = T / A * B;
            System.out.println(result);
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int A = sc.nextInt(); A sc.nextInt() sc.nextInt sc int B = sc.nextInt(); B sc.nextInt() sc.nextInt sc int T = sc.nextInt(); T sc.nextInt() sc.nextInt sc if(A > T){
            System.out.println(0);
        }else{
            int result = T / A * B;
            System.out.println(result);
        } A > T A T {
            System.out.println(0);
        } System.out.println(0) System.out.println System.out System System.out 0 {
            int result = T / A * B;
            System.out.println(result);
        } int result = T / A * B; result T / A * B T / A T A B System.out.println(result) System.out.println System.out System System.out result String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        if(A > T){
            System.out.println(0);
        }else{
            int result = T / A * B;
            System.out.println(result);
        }
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        if(A > T){
            System.out.println(0);
        }else{
            int result = T / A * B;
            System.out.println(result);
        }
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        if(A > T){
            System.out.println(0);
        }else{
            int result = T / A * B;
            System.out.println(result);
        }
    }
}
