protein_sum = 0
    carbs_sum = 0
    fat_sum = 0

    protein_set = NutrInProduct.objects.filter(product__prindish__dish__id=cal_calculator_dish_id, nutrient__name='Protein')
    for i in protein_set:
        protein_sum += i.amount / 100 * PrInDish.objects.get(dish__id=cal_calculator_dish_id, product__nutrinproduct__id=i.id).amount

    carbs_set = NutrInProduct.objects.filter(product__prindish__dish__id=cal_calculator_dish_id, nutrient__name='Carbs')
    for i in carbs_set:
        carbs_sum += i.amount / 100 * PrInDish.objects.get(dish__id=cal_calculator_dish_id, product__nutrinproduct__id=i.id).amount

    fat_set = NutrInProduct.objects.filter(product__prindish__dish__id=cal_calculator_dish_id, nutrient__name='Fat')
    for i in fat_set:
        fat_sum += i.amount / 100 * PrInDish.objects.get(dish__id=cal_calculator_dish_id, product__nutrinproduct__id=i.id).amount