Tyshira tracks her net calories (calories taken in minus calories burned) as part of her fitness program. For one particular day, her net intake was 1480 calories. Her lunch calories were half her breakfast calories, and her dinner calories were 200 more than her breakfast calories. She ate 120 fewer calories in snacks than for breakfast and she burned 700 calories by exercising on her elliptical. How many calories did she take in from snacks?