500
What is the main idea of this paragraph?
Ice cream is one of the oldest desserts in history. An early form of ice cream was eaten by ancient Romans. The ancient Chinese also made a kind of ice cream. Around the 1500s, ice cream was served among the rich in Italy and France. In 1776, the first ice cream shop opened in New York City. Americans came up with the name "ice cream". Over time, ice cream changed. Today, ice cream comes in many flavors.
Ice cream is one of the oldest desserts in history.