import java.util.Scanner;

public 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 biscuit = 0;

        for (int time = A; time <= T; time += A) {
            biscuit += B;
        }
        System.out.println(biscuit);
    }
} import java.util.Scanner; Scanner java.util public 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 biscuit = 0;

        for (int time = A; time <= T; time += A) {
            biscuit += B;
        }
        System.out.println(biscuit);
    }
} 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 biscuit = 0;

        for (int time = A; time <= T; time += A) {
            biscuit += B;
        }
        System.out.println(biscuit);
    } main {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();
        int biscuit = 0;

        for (int time = A; time <= T; time += A) {
            biscuit += B;
        }
        System.out.println(biscuit);
    } 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 biscuit = 0; biscuit 0 for (int time = A; time <= T; time += A) {
            biscuit += B;
        } int time = A; int time = A; time A time <= T time T time += A time += A time A {
            biscuit += B;
        } {
            biscuit += B;
        } biscuit += B biscuit B System.out.println(biscuit) System.out.println System.out System System.out biscuit String[] args args public 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 biscuit = 0;

        for (int time = A; time <= T; time += A) {
            biscuit += B;
        }
        System.out.println(biscuit);
    }
} public 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 biscuit = 0;

        for (int time = A; time <= T; time += A) {
            biscuit += B;
        }
        System.out.println(biscuit);
    }
} Main
import java.util.Scanner;

public 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 biscuit = 0;

        for (int time = A; time <= T; time += A) {
            biscuit += B;
        }
        System.out.println(biscuit);
    }
}