def calculate_recurrent_stipend(starting_amount, interest_rate):
    """
    If I have X amount in the bank, how much can I make a year?
    :param starting_amount: The amount of money the bank has to start with.
    :type starting_amount: double
    :param interest_rate: The rate that interest is being added into the bank.
    :type interest_rate: float
    :return: The recurrent stipend.
    """

    recurrent_stipend = starting_amount * interest_rate
    return recurrent_stipend