`ollama show` should have the exact parameter count rounded to 3 digits

### What is the issue? ``` % ollama show llama3 Model arch llama parameters 8.0B quantization Q4_0 context length 8192 embedding length 4096 ``` should be the same as <img width="793" alt="Screenshot 2024-06-20 at 10 21 28 AM" src="https://github.com/ollama/ollama/assets/251292/3e9ac431-e205-45b9-91ef-b63ddc8fe0f9"> ### OS _No response_ ### GPU _No response_ ### CPU _No response_ ### Ollama version _No response_