import java.util.Scanner;

public class Main {
	static long n,k,m,l,a,b,c;
	static Scanner sc = new Scanner(System.in);
	public static void main(String[] args) {
		a=sc.nextInt();
		b=sc.nextInt();
		n=sc.nextInt();
		k=0;
		for(int i=1;i*a<=n;i++) {
			k+=b;
		}
		System.out.println(k);
    }
} import java.util.Scanner; Scanner java.util public class Main {
	static long n,k,m,l,a,b,c;
	static Scanner sc = new Scanner(System.in);
	public static void main(String[] args) {
		a=sc.nextInt();
		b=sc.nextInt();
		n=sc.nextInt();
		k=0;
		for(int i=1;i*a<=n;i++) {
			k+=b;
		}
		System.out.println(k);
    }
} Main static long n n k k m m l l a a b b c; c static Scanner sc = new Scanner(System.in); sc new Scanner(System.in) public static void main(String[] args) {
		a=sc.nextInt();
		b=sc.nextInt();
		n=sc.nextInt();
		k=0;
		for(int i=1;i*a<=n;i++) {
			k+=b;
		}
		System.out.println(k);
    } main {
		a=sc.nextInt();
		b=sc.nextInt();
		n=sc.nextInt();
		k=0;
		for(int i=1;i*a<=n;i++) {
			k+=b;
		}
		System.out.println(k);
    } a=sc.nextInt() a sc.nextInt() sc.nextInt sc b=sc.nextInt() b sc.nextInt() sc.nextInt sc n=sc.nextInt() n sc.nextInt() sc.nextInt sc k=0 k 0 for(int i=1;i*a<=n;i++) {
			k+=b;
		} int i=1; int i=1; i 1 i*a<=n i*a i a n i++ i++ i {
			k+=b;
		} {
			k+=b;
		} k+=b k b System.out.println(k) System.out.println System.out System System.out k String[] args args public class Main {
	static long n,k,m,l,a,b,c;
	static Scanner sc = new Scanner(System.in);
	public static void main(String[] args) {
		a=sc.nextInt();
		b=sc.nextInt();
		n=sc.nextInt();
		k=0;
		for(int i=1;i*a<=n;i++) {
			k+=b;
		}
		System.out.println(k);
    }
} public class Main {
	static long n,k,m,l,a,b,c;
	static Scanner sc = new Scanner(System.in);
	public static void main(String[] args) {
		a=sc.nextInt();
		b=sc.nextInt();
		n=sc.nextInt();
		k=0;
		for(int i=1;i*a<=n;i++) {
			k+=b;
		}
		System.out.println(k);
    }
} Main
import java.util.Scanner;

public class Main {
	static long n,k,m,l,a,b,c;
	static Scanner sc = new Scanner(System.in);
	public static void main(String[] args) {
		a=sc.nextInt();
		b=sc.nextInt();
		n=sc.nextInt();
		k=0;
		for(int i=1;i*a<=n;i++) {
			k+=b;
		}
		System.out.println(k);
    }
}
