import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner scan=new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		//int d=scan.nextInt();
		//int e=scan.nextInt();
		boolean bool=false;
		int ans=0;
		System.out.println(c/a*b);
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner scan=new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		//int d=scan.nextInt();
		//int e=scan.nextInt();
		boolean bool=false;
		int ans=0;
		System.out.println(c/a*b);
	}
} Main public static void main(String[] args) {
		Scanner scan=new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		//int d=scan.nextInt();
		//int e=scan.nextInt();
		boolean bool=false;
		int ans=0;
		System.out.println(c/a*b);
	} main {
		Scanner scan=new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		//int d=scan.nextInt();
		//int e=scan.nextInt();
		boolean bool=false;
		int ans=0;
		System.out.println(c/a*b);
	} Scanner scan=new Scanner(System.in); scan new Scanner(System.in) int a=scan.nextInt(); a scan.nextInt() scan.nextInt scan int b=scan.nextInt(); b scan.nextInt() scan.nextInt scan int c=scan.nextInt(); c scan.nextInt() scan.nextInt scan boolean bool=false; bool false int ans=0; ans 0 System.out.println(c/a*b) System.out.println System.out System System.out c/a*b c/a c a b String[] args args public class Main {
	public static void main(String[] args) {
		Scanner scan=new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		//int d=scan.nextInt();
		//int e=scan.nextInt();
		boolean bool=false;
		int ans=0;
		System.out.println(c/a*b);
	}
} public class Main {
	public static void main(String[] args) {
		Scanner scan=new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		//int d=scan.nextInt();
		//int e=scan.nextInt();
		boolean bool=false;
		int ans=0;
		System.out.println(c/a*b);
	}
} Main
import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner scan=new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		//int d=scan.nextInt();
		//int e=scan.nextInt();
		boolean bool=false;
		int ans=0;
		System.out.println(c/a*b);
	}
}
