import java.util.Scanner;

public 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();
		sc.close();
		
		int sum = 0;
		
		for(int i=a;i<=t+0.5;i+=a)
			sum += b;
	
		System.out.println(sum);
	}
} import java.util.Scanner; Scanner java.util public 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();
		sc.close();
		
		int sum = 0;
		
		for(int i=a;i<=t+0.5;i+=a)
			sum += b;
	
		System.out.println(sum);
	}
} 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();
		sc.close();
		
		int sum = 0;
		
		for(int i=a;i<=t+0.5;i+=a)
			sum += b;
	
		System.out.println(sum);
	} main {
		Scanner sc =  new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int t = sc.nextInt();
		sc.close();
		
		int sum = 0;
		
		for(int i=a;i<=t+0.5;i+=a)
			sum += b;
	
		System.out.println(sum);
	} 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 sc.close() sc.close sc int sum = 0; sum 0 for(int i=a;i<=t+0.5;i+=a)
			sum += 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 sum += b; sum += b sum b System.out.println(sum) System.out.println System.out System System.out sum String[] args args public 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();
		sc.close();
		
		int sum = 0;
		
		for(int i=a;i<=t+0.5;i+=a)
			sum += b;
	
		System.out.println(sum);
	}
} public 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();
		sc.close();
		
		int sum = 0;
		
		for(int i=a;i<=t+0.5;i+=a)
			sum += b;
	
		System.out.println(sum);
	}
} Main
import java.util.Scanner;

public 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();
		sc.close();
		
		int sum = 0;
		
		for(int i=a;i<=t+0.5;i+=a)
			sum += b;
	
		System.out.println(sum);
	}
}