import java.util.*; 

class Main{
public static void main(String[] args){
	Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
		int t=sc.nextInt();
	

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

    	System.out.println(t/a*b);
    }
} Main public static void main(String[] args){
	Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
		int t=sc.nextInt();
	

    	System.out.println(t/a*b);
    } main {
	Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
		int t=sc.nextInt();
	

    	System.out.println(t/a*b);
    } 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 t=sc.nextInt(); t sc.nextInt() sc.nextInt sc System.out.println(t/a*b) System.out.println System.out System System.out t/a*b t/a t a b String[] args args
import java.util.*; 

class Main{
public static void main(String[] args){
	Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
		int t=sc.nextInt();
	

    	System.out.println(t/a*b);
    }
}