import java.util.Scanner;
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();
        int sum=0;

        for(int i=1; a*i<=t; i++){
            sum+=b;
        }
        System.out.println(sum);
        sc.close();
    }
} import java.util.Scanner; Scanner 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();
        int sum=0;

        for(int i=1; a*i<=t; i++){
            sum+=b;
        }
        System.out.println(sum);
        sc.close();
    }
} 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();
        int sum=0;

        for(int i=1; a*i<=t; i++){
            sum+=b;
        }
        System.out.println(sum);
        sc.close();
    } main {
		Scanner sc=new Scanner(System.in);
        int a=sc.nextInt();
        int b=sc.nextInt();
        int t=sc.nextInt();
        int sum=0;

        for(int i=1; a*i<=t; i++){
            sum+=b;
        }
        System.out.println(sum);
        sc.close();
    } 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 int sum=0; sum 0 for(int i=1; a*i<=t; i++){
            sum+=b;
        } int i=1; int i=1; i 1 a*i<=t a*i a i t i++ i++ i {
            sum+=b;
        } {
            sum+=b;
        } sum+=b sum b System.out.println(sum) System.out.println System.out System System.out sum sc.close() sc.close sc String args[] args
import java.util.Scanner;
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();
        int sum=0;

        for(int i=1; a*i<=t; i++){
            sum+=b;
        }
        System.out.println(sum);
        sc.close();
    }
}