import java.util.Scanner;
import java.util.InputMismatchException;

class Main {
   public static void main(String args[]) {
      int x=0 ,y=0, z=0;
      int sum = 0;
      try {
         Scanner scanner = new Scanner(System.in);
         x = scanner.nextInt();
         y = scanner.nextInt();
         z = scanner.nextInt();
         scanner.close();
      } catch (InputMismatchException e) {
         System.out.println("error");
      }
      for (int i=x; i<z+1; i=i+x) {
         sum = sum+y;
      }
      System.out.println(sum);
   }
}

/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