import java.util.Scanner;

public class Main{
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    int a=scanner.nextInt();
    int b=scanner.nextInt();
    int t=scanner.nextInt();

    int ans=0;
    for(int i=a;i<t+0.5;i+=a){
      ans+=b;
    }

    System.out.println(ans);
  }
} import java.util.Scanner; Scanner java.util public class Main{
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    int a=scanner.nextInt();
    int b=scanner.nextInt();
    int t=scanner.nextInt();

    int ans=0;
    for(int i=a;i<t+0.5;i+=a){
      ans+=b;
    }

    System.out.println(ans);
  }
} Main public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    int a=scanner.nextInt();
    int b=scanner.nextInt();
    int t=scanner.nextInt();

    int ans=0;
    for(int i=a;i<t+0.5;i+=a){
      ans+=b;
    }

    System.out.println(ans);
  } main {
    Scanner scanner = new Scanner(System.in);
    int a=scanner.nextInt();
    int b=scanner.nextInt();
    int t=scanner.nextInt();

    int ans=0;
    for(int i=a;i<t+0.5;i+=a){
      ans+=b;
    }

    System.out.println(ans);
  } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int a=scanner.nextInt(); a scanner.nextInt() scanner.nextInt scanner int b=scanner.nextInt(); b scanner.nextInt() scanner.nextInt scanner int t=scanner.nextInt(); t scanner.nextInt() scanner.nextInt scanner int ans=0; ans 0 for(int i=a;i<t+0.5;i+=a){
      ans+=b;
    } int i=a; int i=a; i a i<t+0.5 i t+0.5 t 0.5 i+=a i+=a i a {
      ans+=b;
    } {
      ans+=b;
    } ans+=b ans b System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main{
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    int a=scanner.nextInt();
    int b=scanner.nextInt();
    int t=scanner.nextInt();

    int ans=0;
    for(int i=a;i<t+0.5;i+=a){
      ans+=b;
    }

    System.out.println(ans);
  }
} public class Main{
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    int a=scanner.nextInt();
    int b=scanner.nextInt();
    int t=scanner.nextInt();

    int ans=0;
    for(int i=a;i<t+0.5;i+=a){
      ans+=b;
    }

    System.out.println(ans);
  }
} Main
import java.util.Scanner;

public class Main{
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    int a=scanner.nextInt();
    int b=scanner.nextInt();
    int t=scanner.nextInt();

    int ans=0;
    for(int i=a;i<t+0.5;i+=a){
      ans+=b;
    }

    System.out.println(ans);
  }
}
