Sure, here's an example of using the "tag" element in HTML along with the "p" element to display the remaining text:

```html

标签

剩余文字用p标签。

```

This code will create a custom tag surrounded by the opening and closing "tag" element, and then use the "p" element to display the remaining text. Keep in mind that the "tag" element alone does not exist in HTML, and you would usually use more standard elements like "div" or "span" for custom styling.