public int KonvertBigMedSmallToPcs(String qtyString, int bigToSmall, int medToSmall){
        //Asumsi Format sudah benar
        int firstDot = 0, secondDot = 0;
        for (int i=0;i<qtyString.length();i++){
            if (String.valueOf(qtyString.charAt(i)).equals(getTheSeparator())){
                if (firstDot == 0) {
                    firstDot = i;
                    secondDot = i;
                } else {
                    secondDot = i;
                }
            }
        }
            int Big = Integer.parseInt(qtyString.substring(0, firstDot));
            int Med =  Integer.parseInt(qtyString.substring(firstDot+1, secondDot));
            int Small = Integer.parseInt(qtyString.substring(secondDot+1, qtyString.length()));
        return (Big*bigToSmall) + (Med*medToSmall) + Small;
    }