import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
        @SuppressWarnings("resource")
		Scanner sc = new Scanner(System.in);
        // 複数行の読み込み
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        int mod = (int) ((c+0.5) / a);
        
        System.out.println(mod*b);
    }
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
        @SuppressWarnings("resource")
		Scanner sc = new Scanner(System.in);
        // 複数行の読み込み
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        int mod = (int) ((c+0.5) / a);
        
        System.out.println(mod*b);
    }
} Main public static void main(String[] args) {
        @SuppressWarnings("resource")
		Scanner sc = new Scanner(System.in);
        // 複数行の読み込み
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        int mod = (int) ((c+0.5) / a);
        
        System.out.println(mod*b);
    } main {
        @SuppressWarnings("resource")
		Scanner sc = new Scanner(System.in);
        // 複数行の読み込み
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        int mod = (int) ((c+0.5) / a);
        
        System.out.println(mod*b);
    } @SuppressWarnings("resource")
		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 c = sc.nextInt(); c sc.nextInt() sc.nextInt sc int mod = (int) ((c+0.5) / a); mod (int) ((c+0.5) / a) (c+0.5) c 0.5 a System.out.println(mod*b) System.out.println System.out System System.out mod*b mod b String[] args args public class Main {
	public static void main(String[] args) {
        @SuppressWarnings("resource")
		Scanner sc = new Scanner(System.in);
        // 複数行の読み込み
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        int mod = (int) ((c+0.5) / a);
        
        System.out.println(mod*b);
    }
} public class Main {
	public static void main(String[] args) {
        @SuppressWarnings("resource")
		Scanner sc = new Scanner(System.in);
        // 複数行の読み込み
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        int mod = (int) ((c+0.5) / a);
        
        System.out.println(mod*b);
    }
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
        @SuppressWarnings("resource")
		Scanner sc = new Scanner(System.in);
        // 複数行の読み込み
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        
        int mod = (int) ((c+0.5) / a);
        
        System.out.println(mod*b);
    }
}