- [ ] Did you try [a quick search?](/issues?utf8=✓&q=is:issue+user:fish-shell)
- [ ] Try [with the latest](/fish-shell/fish-shell/releases/tag/2.3.1) fish version?

Talk about the the issue here. 

**fish version installed**: `fish --version`
**OS/terminal used**: 

## Reproduction steps

Hard to explain? Link to [a screen recording](https://asciinema.org)

1. Launch fish
2. …

## Expected results
Fish should…

## Actual results
	~ $ math 2 + 2
	5