import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        String[] in = s.nextLine().split(" ");
        int a = Integer.parseInt(in[0]);
        int b = Integer.parseInt(in[1]);
        int t = Integer.parseInt(in[2]);
        int r=0;
        for(int i=1;i<=t;i++){
            if(i % a == 0){
                r++;
            }
        }
        System.out.println(r*b);
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        String[] in = s.nextLine().split(" ");
        int a = Integer.parseInt(in[0]);
        int b = Integer.parseInt(in[1]);
        int t = Integer.parseInt(in[2]);
        int r=0;
        for(int i=1;i<=t;i++){
            if(i % a == 0){
                r++;
            }
        }
        System.out.println(r*b);
    }
} Main public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        String[] in = s.nextLine().split(" ");
        int a = Integer.parseInt(in[0]);
        int b = Integer.parseInt(in[1]);
        int t = Integer.parseInt(in[2]);
        int r=0;
        for(int i=1;i<=t;i++){
            if(i % a == 0){
                r++;
            }
        }
        System.out.println(r*b);
    } main {
        Scanner s = new Scanner(System.in);
        String[] in = s.nextLine().split(" ");
        int a = Integer.parseInt(in[0]);
        int b = Integer.parseInt(in[1]);
        int t = Integer.parseInt(in[2]);
        int r=0;
        for(int i=1;i<=t;i++){
            if(i % a == 0){
                r++;
            }
        }
        System.out.println(r*b);
    } Scanner s = new Scanner(System.in); s new Scanner(System.in) String[] in = s.nextLine().split(" "); in s.nextLine().split(" ") s.nextLine().split s.nextLine() s.nextLine s " " int a = Integer.parseInt(in[0]); a Integer.parseInt(in[0]) Integer.parseInt Integer in[0] in 0 int b = Integer.parseInt(in[1]); b Integer.parseInt(in[1]) Integer.parseInt Integer in[1] in 1 int t = Integer.parseInt(in[2]); t Integer.parseInt(in[2]) Integer.parseInt Integer in[2] in 2 int r=0; r 0 for(int i=1;i<=t;i++){
            if(i % a == 0){
                r++;
            }
        } int i=1; int i=1; i 1 i<=t i t i++ i++ i {
            if(i % a == 0){
                r++;
            }
        } {
            if(i % a == 0){
                r++;
            }
        } if(i % a == 0){
                r++;
            } i % a == 0 i % a i a 0 {
                r++;
            } r++ r System.out.println(r*b) System.out.println System.out System System.out r*b r b String[] args args public class Main {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        String[] in = s.nextLine().split(" ");
        int a = Integer.parseInt(in[0]);
        int b = Integer.parseInt(in[1]);
        int t = Integer.parseInt(in[2]);
        int r=0;
        for(int i=1;i<=t;i++){
            if(i % a == 0){
                r++;
            }
        }
        System.out.println(r*b);
    }
} public class Main {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        String[] in = s.nextLine().split(" ");
        int a = Integer.parseInt(in[0]);
        int b = Integer.parseInt(in[1]);
        int t = Integer.parseInt(in[2]);
        int r=0;
        for(int i=1;i<=t;i++){
            if(i % a == 0){
                r++;
            }
        }
        System.out.println(r*b);
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        String[] in = s.nextLine().split(" ");
        int a = Integer.parseInt(in[0]);
        int b = Integer.parseInt(in[1]);
        int t = Integer.parseInt(in[2]);
        int r=0;
        for(int i=1;i<=t;i++){
            if(i % a == 0){
                r++;
            }
        }
        System.out.println(r*b);
    }
}