Examples:

• Well, I guess there's nothing disrespectful about a ballpark figure.
• I told you that was a ballpark figure.
• Can you give us a ballpark figure?
• Give me a ballpark figure.
• This is a ballpark figure, you know.
• I've got a ballpark figure.
• Can you give me a ballpark figure?
• I have a ballpark figure.
• Give me a ballpark figure. How much?
• Something like that, ballpark figure.