Why are gains and losses usually shown separately from revenues and expenses from ordinary business activities? What

Question:

Why are gains and losses usually shown separately from revenues and expenses from ordinary business activities? What are the implications to the users of the if gains and losses are included in revenues and/or expenses?

Financial Statements
Financial statements are the standardized formats to present the financial information related to a business or an organization for its users. Financial statements contain the historical information as well as current period’s financial...