def zeros_after(n: int) -> int:
    """Counts the number of trailing zeros in n

    Args:
        n (int): The number to count the zeros of

    Returns:
        int: The number of trailing zeros in n
    """
    zeros = 0
    for i in str(n)[::-1]:
        if i != "0":
            break
        zeros += 1

    return zeros