The calorie count of a serving of food can be computed based on its composition of carbohydrate,fat,and protein. the calorie count c for a serving of food can be computed using a formula c=4h+9f+4p,where h is the number of grams of carbohydrate contained in the serving, f is the number of grams of fat contained in the serving, and p is the number of grams of protein contained in the serving.

a serving of a certain type of nut contains 13 grams of fat, 9 grams of carbohydrates, and 5 grams of protien. how many calories are in this serving of nuts?