import java.util.*;
import java.math.*;

class Main {
  public static void main(String[] args){
  Scanner stdIn = new Scanner(System.in);
  int a = stdIn.nextInt();
  int b = stdIn.nextInt();
  int T = stdIn.nextInt();
  int count = 0;
  for(int i = a;i<T+0.5;i+=a) {
    count += b;
  }
  System.out.println(count);
}
} import java.util.*; util.* java import java.math.*; math.* java class Main {
  public static void main(String[] args){
  Scanner stdIn = new Scanner(System.in);
  int a = stdIn.nextInt();
  int b = stdIn.nextInt();
  int T = stdIn.nextInt();
  int count = 0;
  for(int i = a;i<T+0.5;i+=a) {
    count += b;
  }
  System.out.println(count);
}
} Main public static void main(String[] args){
  Scanner stdIn = new Scanner(System.in);
  int a = stdIn.nextInt();
  int b = stdIn.nextInt();
  int T = stdIn.nextInt();
  int count = 0;
  for(int i = a;i<T+0.5;i+=a) {
    count += b;
  }
  System.out.println(count);
} main {
  Scanner stdIn = new Scanner(System.in);
  int a = stdIn.nextInt();
  int b = stdIn.nextInt();
  int T = stdIn.nextInt();
  int count = 0;
  for(int i = a;i<T+0.5;i+=a) {
    count += b;
  }
  System.out.println(count);
} Scanner stdIn = new Scanner(System.in); stdIn new Scanner(System.in) int a = stdIn.nextInt(); a stdIn.nextInt() stdIn.nextInt stdIn int b = stdIn.nextInt(); b stdIn.nextInt() stdIn.nextInt stdIn int T = stdIn.nextInt(); T stdIn.nextInt() stdIn.nextInt stdIn int count = 0; count 0 for(int i = a;i<T+0.5;i+=a) {
    count += 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 {
    count += b;
  } {
    count += b;
  } count += b count b System.out.println(count) System.out.println System.out System System.out count String[] args args
import java.util.*;
import java.math.*;

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