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 cnt = 0;
        int time = 0;
        while (true) {
            time += A;
            if (time > T+0.5) {
                break;
            }
            cnt += B;
        }
        System.out.println(cnt);
    }
} 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 cnt = 0;
        int time = 0;
        while (true) {
            time += A;
            if (time > T+0.5) {
                break;
            }
            cnt += B;
        }
        System.out.println(cnt);
    }
} 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 cnt = 0;
        int time = 0;
        while (true) {
            time += A;
            if (time > T+0.5) {
                break;
            }
            cnt += B;
        }
        System.out.println(cnt);
    } main {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int T = sc.nextInt();

        int cnt = 0;
        int time = 0;
        while (true) {
            time += A;
            if (time > T+0.5) {
                break;
            }
            cnt += B;
        }
        System.out.println(cnt);
    } 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 cnt = 0; cnt 0 int time = 0; time 0 while (true) {
            time += A;
            if (time > T+0.5) {
                break;
            }
            cnt += B;
        } true {
            time += A;
            if (time > T+0.5) {
                break;
            }
            cnt += B;
        } time += A time A if (time > T+0.5) {
                break;
            } time > T+0.5 time T+0.5 T 0.5 {
                break;
            } break; cnt += B cnt B System.out.println(cnt) System.out.println System.out System System.out cnt 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 cnt = 0;
        int time = 0;
        while (true) {
            time += A;
            if (time > T+0.5) {
                break;
            }
            cnt += B;
        }
        System.out.println(cnt);
    }
} 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 cnt = 0;
        int time = 0;
        while (true) {
            time += A;
            if (time > T+0.5) {
                break;
            }
            cnt += B;
        }
        System.out.println(cnt);
    }
} 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 cnt = 0;
        int time = 0;
        while (true) {
            time += A;
            if (time > T+0.5) {
                break;
            }
            cnt += B;
        }
        System.out.println(cnt);
    }
}
