Adietician is planning a snack package of fruit and nuts. each ounce of fruit will supply zero units of protein, 2 units of carbohydrates, and 1 unit of fat, and will contain 18 calories. each ounce of nuts will supply 3 units of protein, 1 unit of carbohydrate, and 2 units of fat, and will contain 28 calories. every package must provide at least 9 units of protein, at least 8 units of carbohydrates, and no more than 9 units of fat. what is the least number of calories possible in a package? (type an integer or a decimal.)