import java.util.*;

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

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