Given the question "How many calories does the breakfast sandwich have?" and the answer "320 calories.", write a conversation that might have happened.
A:
M: Two more miles to go...we have an hour before school starts. Let's take our time. Do you want to stop and get a breakfast sandwich?W: We decided to start walking to school for the exercise. We want to get fit. Why would we want to eat a fattening breakfast sandwich?M: McDonald's has an egg muffin sandwich that has only 320 calories. What's wrong with that? I bet we walked off 320 calories already. After two more miles, we can probably walk off another 100 calories.W: I do need energy. I hardly ate dinner last night. My mom made leg of lamb, and it's definitely not my favorite. In fact, I think I'm going to become a vegetarian.M: Good for you! I gave up meat a long time ago. Now, almost all of my meals are salads. Funny thing is, when I make my food, I also make food for my rabbit. We mostly eat the same things now.W: My bird eats seeds and berries. We could probably share our meals, too!