Read the following text to answer the question.

The Baseball game

Dad took his son Chris to a baseball game. The Los Angeles Dodgers were playing the San Francisco Giants. The Dodgers were the home team. The Giants were the visiting team. Dad and Chris walked into Dodger Stadium. Many people were there. Most of them wanted to see lhe Dodgers win. They wanted to see the Giants lose. Dad and Chris found their seats. They sal down. Chris told his dad he was hungry. His dad bought two bags of peanuts for Chris. He bought two hot dogs for Chris. He bought a big soda for Chris. A foul ball came their way. People dived for the foul ball. They knocked Chris' soda over. His dad bought him another soda.

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How many sodas did Dad buy?