import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner t = new Scanner(System.in);
        
        int a = t.nextInt();
        int b = t.nextInt();
        int x = t.nextInt();
        
        int sum = 0;
        for (int i = a; i <= x; i+=a) {
            sum+=b;
        }
        System.out.println(sum);
    }   
} import java.util.Scanner; Scanner java.util public class Main {

    public static void main(String[] args) {
        Scanner t = new Scanner(System.in);
        
        int a = t.nextInt();
        int b = t.nextInt();
        int x = t.nextInt();
        
        int sum = 0;
        for (int i = a; i <= x; i+=a) {
            sum+=b;
        }
        System.out.println(sum);
    }   
} Main public static void main(String[] args) {
        Scanner t = new Scanner(System.in);
        
        int a = t.nextInt();
        int b = t.nextInt();
        int x = t.nextInt();
        
        int sum = 0;
        for (int i = a; i <= x; i+=a) {
            sum+=b;
        }
        System.out.println(sum);
    } main {
        Scanner t = new Scanner(System.in);
        
        int a = t.nextInt();
        int b = t.nextInt();
        int x = t.nextInt();
        
        int sum = 0;
        for (int i = a; i <= x; i+=a) {
            sum+=b;
        }
        System.out.println(sum);
    } Scanner t = new Scanner(System.in); t new Scanner(System.in) int a = t.nextInt(); a t.nextInt() t.nextInt t int b = t.nextInt(); b t.nextInt() t.nextInt t int x = t.nextInt(); x t.nextInt() t.nextInt t int sum = 0; sum 0 for (int i = a; i <= x; i+=a) {
            sum+=b;
        } int i = a; int i = a; i a i <= x i x i+=a i+=a i a {
            sum+=b;
        } {
            sum+=b;
        } sum+=b sum b System.out.println(sum) System.out.println System.out System System.out sum String[] args args public class Main {

    public static void main(String[] args) {
        Scanner t = new Scanner(System.in);
        
        int a = t.nextInt();
        int b = t.nextInt();
        int x = t.nextInt();
        
        int sum = 0;
        for (int i = a; i <= x; i+=a) {
            sum+=b;
        }
        System.out.println(sum);
    }   
} public class Main {

    public static void main(String[] args) {
        Scanner t = new Scanner(System.in);
        
        int a = t.nextInt();
        int b = t.nextInt();
        int x = t.nextInt();
        
        int sum = 0;
        for (int i = a; i <= x; i+=a) {
            sum+=b;
        }
        System.out.println(sum);
    }   
} Main
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner t = new Scanner(System.in);
        
        int a = t.nextInt();
        int b = t.nextInt();
        int x = t.nextInt();
        
        int sum = 0;
        for (int i = a; i <= x; i+=a) {
            sum+=b;
        }
        System.out.println(sum);
    }   
}
