Answer the questions.(根据短文内容，回答下列问题)

   Tony likes to eat pizza. Every Saturday he goes to an Italian restaurant and eats pizza for lunch. Mary is a waitress at the restaurant. Tony and Mary, always talk and laugh. They are good friends. After Tony finished, he always gives some money to Mary. It's her tip(小费). One day, Tony asked Mary, "Do you want a tip or half of my lottery ticket(彩票)?" "Half of your lottery ticket'?" "Yes," Tony said, "I have a lottery ticket. If I win the lottery, you'll get half of the money. " Mary laughed," OK, I want half of the lottery money. "

    The next day, Tony won the lottery. He went to the restaurant. "Here is your tip," Tony told Mary, "3,000,000 dollars. "