An ordinary bag of instant noodles can produce 300-400 calories (equal to about 4 bowls of rice), and a vat of instant noodles is 600-700 calories. Instant noodles are junk food, so try to eat less.

A boiled egg has about 80 calories, and it is a nutritious food. An egg weighs about 50 grams, contains 7 grams of protein, 6 grams of fat and generates 82 kilocalories.