>>214470676
That's just the sauce; it doesn't include the calories from the rice.
Adding 200g of rice brings it to about 400kcal.
Doubling the rice to 400g brings it to about 700kcal.
But if you want the cheapest way to get the most calories, ramen is still the best option.
The cheapest and lowest-calorie option is about $0.30 per serving and has around 300kcal.