import java.util.Arrays;
import java.util.Scanner;

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();

    double d =  t/a;
    double ans =(int) b*d;
    int mainans = (int) ans;
    System.out.println(mainans);


    }
  } import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner java.util 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();

    double d =  t/a;
    double ans =(int) b*d;
    int mainans = (int) ans;
    System.out.println(mainans);


    }
  } 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();

    double d =  t/a;
    double ans =(int) b*d;
    int mainans = (int) ans;
    System.out.println(mainans);


    } main {
    Scanner sc = new Scanner(System.in);
    int a=sc.nextInt();
    int b = sc.nextInt();
    int t = sc.nextInt();

    double d =  t/a;
    double ans =(int) b*d;
    int mainans = (int) ans;
    System.out.println(mainans);


    } 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 double d =  t/a; d t/a t a double ans =(int) b*d; ans (int) b*d (int) b d int mainans = (int) ans; mainans (int) ans System.out.println(mainans) System.out.println System.out System System.out mainans String[] args args
import java.util.Arrays;
import java.util.Scanner;

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();

    double d =  t/a;
    double ans =(int) b*d;
    int mainans = (int) ans;
    System.out.println(mainans);


    }
  }
