Should I stop workig out?

You probably need more than 1200 calories...and I don't think you should stop working out.

Try reading this and see if it helps:

http://www.myfitnesspal.com/topics/show/654536-in-place-of-a-road-map-2-0-revised-7-2-12

I'm having the same problem, I find doing little snack and having peanut butter is really helpful. It fills you up and takes some calories without making you feel full!

You don't need to eat junk or drink alcohol to fill the extra calories. 20 almonds is about 120 calories, two tablespoons of natural peanut butter is around 190-200 calories, a 4oz home made turkey burger on a wheat bun with a slice of cheese is around 340-375 calories, a bowl of my all natural home made brown rice jambalaya is 476 calories, two scrambled eggs with 1oz of diced avocado, fresh salsa, some shredded cheddar, and a serving of low fat sour cream is around 340-350 calories, a 6oz chicken breast covered in a home made ricotta cheese sauce with 5oz of home made home fries of sweet potatoes, peppers, and onions with a large steamed artichoke and dipping sauce was 526 calories, and I could go on and on.

There's tons of really good, healthy, food that you can eat that's calorie dense (like the almonds, avocado, cheese, and peanut butter) that you can either eat on it's own, or use to add into meals with other items like the chicken breast, ground turkey breast, and veggies to make a really satisfying snack or meal.

Don't look at the additional calories as a need, look at them as an opportunity to get to eat some really good food to fuel your body for the next workout.