Because she missed lunch, Rebecca runs into a convenience store and picks out a
protein drink. The label says that it contains 200 calories. She has just about finished
the whole bottle when she jumps back into the car. "Slow down!" her mother says.
Rebecca replies, "It's cool! It only has 200 calories." But when her mom looks at the
label, she says, "But Rebecca, you had 800 calories!" What did Rebecca MOST likely
miss?