1/54
If you don't continue taking it, you can get the same result up to 54 times. ...
This is similar to the lottery problem. No matter how many times you draw, the probability is the same ~ ~
For example, the first time: 1/54
Second time: 53/54 * 1/53 = 1/54 ...
If you don't understand anything, you can send a message or add questions.