description="This is a very custom OpenAPI schema for CALCULATOR",
description="\t This is a very custom OpenAPI schema for CALCULATOR which is used to perform operations like addition, substraction, multiplication and division. \n\n **Redoc** is an open-source tool that generates API documentation from OpenAPI specifications.\n It's one of the most powerful free docs tools in the industry, producing clean, customizable documentation with an attractive three-panel design. With support for Markdown, it allows you to write and style descriptions with ease.",