import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner a=new Scanner(System.in);
		int A=a.nextInt();
		int B=a.nextInt();
		int T=a.nextInt();
		int ans=T/A*B;
		System.out.println(ans);
	}
} import java.util.*; util.* java public class Main {
	public static void main(String[] args){
		Scanner a=new Scanner(System.in);
		int A=a.nextInt();
		int B=a.nextInt();
		int T=a.nextInt();
		int ans=T/A*B;
		System.out.println(ans);
	}
} Main public static void main(String[] args){
		Scanner a=new Scanner(System.in);
		int A=a.nextInt();
		int B=a.nextInt();
		int T=a.nextInt();
		int ans=T/A*B;
		System.out.println(ans);
	} main {
		Scanner a=new Scanner(System.in);
		int A=a.nextInt();
		int B=a.nextInt();
		int T=a.nextInt();
		int ans=T/A*B;
		System.out.println(ans);
	} Scanner a=new Scanner(System.in); a new Scanner(System.in) int A=a.nextInt(); A a.nextInt() a.nextInt a int B=a.nextInt(); B a.nextInt() a.nextInt a int T=a.nextInt(); T a.nextInt() a.nextInt a int ans=T/A*B; ans T/A*B T/A T A B System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
	public static void main(String[] args){
		Scanner a=new Scanner(System.in);
		int A=a.nextInt();
		int B=a.nextInt();
		int T=a.nextInt();
		int ans=T/A*B;
		System.out.println(ans);
	}
} public class Main {
	public static void main(String[] args){
		Scanner a=new Scanner(System.in);
		int A=a.nextInt();
		int B=a.nextInt();
		int T=a.nextInt();
		int ans=T/A*B;
		System.out.println(ans);
	}
} Main
import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner a=new Scanner(System.in);
		int A=a.nextInt();
		int B=a.nextInt();
		int T=a.nextInt();
		int ans=T/A*B;
		System.out.println(ans);
	}
}