As the half-marathon approaches, and in order to increase his glycogen stores and reduce the likelihood of fatigue, anthony is interested in increasing the percentage of total calories in his diet coming from carbohydrate. if he is eating 2,500 kcal per day during the training period, and if he wants 60% of his calories per day to come from carbohydrate, how many grams of carbohydrate should he be eating per day?