import 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();
    int cnt = 0;
    for (int i = 0;i<t+0.5;i++){
      if(i%a==0 && i!=0){
        cnt = cnt + b;
      }
    }
    System.out.println(cnt);
  }
}
     import java.util.*; util.* java 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 cnt = 0;
    for (int i = 0;i<t+0.5;i++){
      if(i%a==0 && i!=0){
        cnt = cnt + b;
      }
    }
    System.out.println(cnt);
  }
} 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 cnt = 0;
    for (int i = 0;i<t+0.5;i++){
      if(i%a==0 && i!=0){
        cnt = cnt + b;
      }
    }
    System.out.println(cnt);
  } main {
    Scanner sc = new Scanner(System.in);
    int a = sc.nextInt();
    int b = sc.nextInt();
    int t = sc.nextInt();
    int cnt = 0;
    for (int i = 0;i<t+0.5;i++){
      if(i%a==0 && i!=0){
        cnt = cnt + b;
      }
    }
    System.out.println(cnt);
  } 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 cnt = 0; cnt 0 for (int i = 0;i<t+0.5;i++){
      if(i%a==0 && i!=0){
        cnt = cnt + b;
      }
    } int i = 0; int i = 0; i 0 i<t+0.5 i t+0.5 t 0.5 i++ i++ i {
      if(i%a==0 && i!=0){
        cnt = cnt + b;
      }
    } {
      if(i%a==0 && i!=0){
        cnt = cnt + b;
      }
    } if(i%a==0 && i!=0){
        cnt = cnt + b;
      } i%a==0 && i!=0 i%a==0 i%a i a 0 i!=0 i 0 {
        cnt = cnt + b;
      } cnt = cnt + b cnt cnt + b cnt b System.out.println(cnt) System.out.println System.out System System.out cnt String[] args args
import 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();
    int cnt = 0;
    for (int i = 0;i<t+0.5;i++){
      if(i%a==0 && i!=0){
        cnt = cnt + b;
      }
    }
    System.out.println(cnt);
  }
}
    
