import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.List;

class Main {

    public static void main(String[] args) throws Exception {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            List<String> input = Arrays.asList(br.readLine().split(" "));

            int A = Integer.parseInt(input.get(0));
            int B = Integer.parseInt(input.get(1));
            int T = Integer.parseInt(input.get(2));

            int result = 0;
            while (T >= A) {
                result += B;
                T -= A;
            }

            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.Arrays; Arrays java.util import java.util.List; List java.util class Main {

    public static void main(String[] args) throws Exception {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            List<String> input = Arrays.asList(br.readLine().split(" "));

            int A = Integer.parseInt(input.get(0));
            int B = Integer.parseInt(input.get(1));
            int T = Integer.parseInt(input.get(2));

            int result = 0;
            while (T >= A) {
                result += B;
                T -= A;
            }

            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    }
} Main public static void main(String[] args) throws Exception {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            List<String> input = Arrays.asList(br.readLine().split(" "));

            int A = Integer.parseInt(input.get(0));
            int B = Integer.parseInt(input.get(1));
            int T = Integer.parseInt(input.get(2));

            int result = 0;
            while (T >= A) {
                result += B;
                T -= A;
            }

            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    } main {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            List<String> input = Arrays.asList(br.readLine().split(" "));

            int A = Integer.parseInt(input.get(0));
            int B = Integer.parseInt(input.get(1));
            int T = Integer.parseInt(input.get(2));

            int result = 0;
            while (T >= A) {
                result += B;
                T -= A;
            }

            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    } try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            List<String> input = Arrays.asList(br.readLine().split(" "));

            int A = Integer.parseInt(input.get(0));
            int B = Integer.parseInt(input.get(1));
            int T = Integer.parseInt(input.get(2));

            int result = 0;
            while (T >= A) {
                result += B;
                T -= A;
            }

            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } IOException | NumberFormatException e {
            e.printStackTrace();
            System.exit(0);
        } e.printStackTrace() e.printStackTrace e System.exit(0) System.exit System 0 catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        } final Exception e {
            e.printStackTrace();
            System.exit(0);
        } e.printStackTrace() e.printStackTrace e System.exit(0) System.exit System 0 {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            List<String> input = Arrays.asList(br.readLine().split(" "));

            int A = Integer.parseInt(input.get(0));
            int B = Integer.parseInt(input.get(1));
            int T = Integer.parseInt(input.get(2));

            int result = 0;
            while (T >= A) {
                result += B;
                T -= A;
            }

            System.out.println(result);
        } BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) List<String> input = Arrays.asList(br.readLine().split(" ")); input Arrays.asList(br.readLine().split(" ")) Arrays.asList Arrays br.readLine().split(" ") br.readLine().split br.readLine() br.readLine br " " int A = Integer.parseInt(input.get(0)); A Integer.parseInt(input.get(0)) Integer.parseInt Integer input.get(0) input.get input 0 int B = Integer.parseInt(input.get(1)); B Integer.parseInt(input.get(1)) Integer.parseInt Integer input.get(1) input.get input 1 int T = Integer.parseInt(input.get(2)); T Integer.parseInt(input.get(2)) Integer.parseInt Integer input.get(2) input.get input 2 int result = 0; result 0 while (T >= A) {
                result += B;
                T -= A;
            } T >= A T A {
                result += B;
                T -= A;
            } result += B result B T -= A T A System.out.println(result) System.out.println System.out System System.out result String[] args args
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.List;

class Main {

    public static void main(String[] args) throws Exception {

        try {

            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

            List<String> input = Arrays.asList(br.readLine().split(" "));

            int A = Integer.parseInt(input.get(0));
            int B = Integer.parseInt(input.get(1));
            int T = Integer.parseInt(input.get(2));

            int result = 0;
            while (T >= A) {
                result += B;
                T -= A;
            }

            System.out.println(result);
        } catch (IOException | NumberFormatException e) {
            e.printStackTrace();
            System.exit(0);
        } catch (final Exception e) {
            e.printStackTrace();
            System.exit(0);
        }
    }
}