import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A=sc.nextInt();
        int B=sc.nextInt();
        int T=sc.nextInt();
        int count=0;
        for(int i=1;i<T+1;i++){
          if(i%A==0){
            count+=B;
          }
        }
        System.out.println(count);
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A=sc.nextInt();
        int B=sc.nextInt();
        int T=sc.nextInt();
        int count=0;
        for(int i=1;i<T+1;i++){
          if(i%A==0){
            count+=B;
          }
        }
        System.out.println(count);
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A=sc.nextInt();
        int B=sc.nextInt();
        int T=sc.nextInt();
        int count=0;
        for(int i=1;i<T+1;i++){
          if(i%A==0){
            count+=B;
          }
        }
        System.out.println(count);
    } main {
        Scanner sc = new Scanner(System.in);
        int A=sc.nextInt();
        int B=sc.nextInt();
        int T=sc.nextInt();
        int count=0;
        for(int i=1;i<T+1;i++){
          if(i%A==0){
            count+=B;
          }
        }
        System.out.println(count);
    } 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 int count=0; count 0 for(int i=1;i<T+1;i++){
          if(i%A==0){
            count+=B;
          }
        } int i=1; int i=1; i 1 i<T+1 i T+1 T 1 i++ i++ i {
          if(i%A==0){
            count+=B;
          }
        } {
          if(i%A==0){
            count+=B;
          }
        } if(i%A==0){
            count+=B;
          } i%A==0 i%A i A 0 {
            count+=B;
          } count+=B count B System.out.println(count) System.out.println System.out System System.out count String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A=sc.nextInt();
        int B=sc.nextInt();
        int T=sc.nextInt();
        int count=0;
        for(int i=1;i<T+1;i++){
          if(i%A==0){
            count+=B;
          }
        }
        System.out.println(count);
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A=sc.nextInt();
        int B=sc.nextInt();
        int T=sc.nextInt();
        int count=0;
        for(int i=1;i<T+1;i++){
          if(i%A==0){
            count+=B;
          }
        }
        System.out.println(count);
    }
} Main
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A=sc.nextInt();
        int B=sc.nextInt();
        int T=sc.nextInt();
        int count=0;
        for(int i=1;i<T+1;i++){
          if(i%A==0){
            count+=B;
          }
        }
        System.out.println(count);
    }
}
