import java.io.*;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) throws IOException, ClassNotFoundException {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            int a = sc.nextInt();
            int b = sc.nextInt();
            int t = sc.nextInt();
            int res = process(a, b, t);
            System.out.println(res);
        }
        sc.close();
    }

    private static int process(int a, int b, int t) {
        int n = t / a;
        return n * b;
    }
}

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz