public static void main(String args[]) {
        MultiplyStrings ms = new MultiplyStrings();
        System.out.print(ms.multiply("6752716719037375654442652725945722915786612669126862029212","2840271321219335147"));
    }
https://leetcode.com/discuss/questions/oj/multiply-strings
src/com/interview/string/MultiplyStrings.java