Bill is trying to plan a meal to meet specific nutritional goals. He wants to prepare a meal containing rice, tofu, and peanuts that will provide 104 grams of carbohydrates, 102 grams of fat, and 103 grams of protein. He knows that each cup of rice provides 49 grams of carbohydrates, 0 grams of fat, and 2 grams of protein. Each cup of tofu provides 4 grams of carbohydrates, 6 grams of fat, and 15 grams of protein. Finally, each cup of peanuts provides 35 grams of carbohydrates, 72 grams of fat, and 26 grams of protein. How many cups of rice, tofu, and peanuts should he eat?