You want to take your family (3 adults, 3 kids) to a hotel-water park package deal.
The fees are:
Water Park tickets R340 per adult and R250 per child per day
Hotel Rooms R995 per night (you need two rooms)
Meals at R100 per person per meal (You want 5 meals per person.)
The same management makes you a package deal and prices vary depending on the season and day of the week.