import java.util.Scanner;
class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int per = sc.nextInt();
    int maisu = sc.nextInt();
    int limitSecond = sc.nextInt();
    int result = (int)((limitSecond+0.5)/per)*maisu;
    System.out.println(result);
  }
} import java.util.Scanner; Scanner java.util class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int per = sc.nextInt();
    int maisu = sc.nextInt();
    int limitSecond = sc.nextInt();
    int result = (int)((limitSecond+0.5)/per)*maisu;
    System.out.println(result);
  }
} Main public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int per = sc.nextInt();
    int maisu = sc.nextInt();
    int limitSecond = sc.nextInt();
    int result = (int)((limitSecond+0.5)/per)*maisu;
    System.out.println(result);
  } main {
    Scanner sc = new Scanner(System.in);
    int per = sc.nextInt();
    int maisu = sc.nextInt();
    int limitSecond = sc.nextInt();
    int result = (int)((limitSecond+0.5)/per)*maisu;
    System.out.println(result);
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int per = sc.nextInt(); per sc.nextInt() sc.nextInt sc int maisu = sc.nextInt(); maisu sc.nextInt() sc.nextInt sc int limitSecond = sc.nextInt(); limitSecond sc.nextInt() sc.nextInt sc int result = (int)((limitSecond+0.5)/per)*maisu; result (int)((limitSecond+0.5)/per)*maisu (int)((limitSecond+0.5)/per) (limitSecond+0.5) limitSecond 0.5 per maisu System.out.println(result) System.out.println System.out System System.out result String[] args args
import java.util.Scanner;
class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int per = sc.nextInt();
    int maisu = sc.nextInt();
    int limitSecond = sc.nextInt();
    int result = (int)((limitSecond+0.5)/per)*maisu;
    System.out.println(result);
  }
}