def find_cheapest_fuel_use(positions: list[int]) -> int:
    """
    Returns the amount of fuel used for the cheapest
    alignment position.

    Args:
        positions (list[int]): The list of starting positions.

    Returns:
        int: Fuel usage.
    """
    positions = sorted(positions)
    median = positions[len(positions) // 2]
    answer = 0

    for position in positions:
        answer += abs(position - median)

    return answer