Problem $5$

A nutritionist who works for a fitness club helps members by evaluating their diets. As part of her evaluation, she asks members for the number of fat grams and carbohydrate grams that they consumed in a day. Then, she calculates the number of calories that result from the fat, using the following formula: calories from fat $=$ fat grams x $9.$ Next, she calculates the number of calories that result from the carbohydrates, using the following formula: calories from carbs $=$ carb grams x $4.$ Write a program that will make these calculations. Your program should use two separate functions to calculate fat and carb calories. Write a $3$rd function that is called from main to capture user input and call the others