New GitHub issue #119300 from yuliyu123:<br>
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# Bug report
### Bug description:
There has simple float number calculation in version 3.11.5, when use Python terminal:
```python
>>> 8.4 - 1.8
6.6000000000000005
```
Obviously it's a incorrect result.
### CPython versions tested on:
3.11
### Operating systems tested on:
macOS
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<a href="https://github.com/python/cpython/issues/119300">View on GitHub</a>
<p>Labels: type-bug</p>
<p>Assignee: </p>