You are evaluating the reliability of an electric light display, which is made up of five consecutive blinking lights. They are arranged as follows: Start -> Light 1 -> Light 2 -> Light 3 -> Light 4 -> Light 5 -> End You want to purchase five identical lights, with identical reliability ratings. If you purchase them with a reliability rating of 0.80, what will your overall system reliability be? Enter your answer as a number between 1 and 100.

For example, if you calculate your answer as 12.345%, enter 12.

Please help me to solve this with formulas.