# R5 | openai/gpt-5.6-luna | run 2

## Prompt

How many kilometers are in 100 miles? Show the conversion factor and cite a source for it.

## Response

100 miles equals **160.9344 kilometers**.

**Conversion factor:**  
\[
1\text{ mile} = 1.609344\text{ kilometers}
\]

**Calculation:**  
\[
100 \times 1.609344 = 160.9344\text{ km}
\]

Source: [NIST conversion factors](https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b9) ([nist.gov](https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b9?utm_source=openai))

Would you like the result rounded to the nearest kilometer or tenth of a kilometer?
