import java.util.*;

class Main {

	public static void main(String... args) {
  	  Scanner stdin = new Scanner(System.in);

      int args1 = stdin.nextInt();
      int args2 = stdin.nextInt();
      int args3 = stdin.nextInt();
      
      int answer = args3/args1*args2;
      
      System.out.println(answer);
	}
}
/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