Basics of programming. Lesson #7. Old ladies in polyclinic

internal class Program
{
    static void Main(string[] args)
    {
        int numberOfOldLadies;
        int fixedMinutesOfWaiting = 10;
        int minutesInHour = 60;
        int hoursOfWaiting;
        int minutesOfWaiting;

        Console.Write("Введите количество старушек в очереди: ");
        numberOfOldLadies = Convert.ToInt32(Console.ReadLine());

        hoursOfWaiting = numberOfOldLadies * fixedMinutesOfWaiting / minutesInHour;
        minutesOfWaiting = numberOfOldLadies * fixedMinutesOfWaiting % minutesInHour;

        Console.WriteLine($"Время ожидания составит {hoursOfWaiting} часов и {minutesOfWaiting} минут");
    }
}