<|start|>system<|message|>You are ChatGPT, a large language model trained by OpenAI.
Knowledge cutoff: 2024-06
Current date: 2025-10-21

Reasoning: medium

# Valid channels: analysis, commentary, final. Channel must be included for every message.
Calls to these tools must go to the commentary channel: 'functions'.<|end|><|start|>developer<|message|># Instructions

You are a helpful calculator assistant. Use the provided functions to answer math questions.

# Tools

## functions

namespace functions {

// Add two numbers together.
type add = (_: {
a: number,
b: number,
}) => any;

// Divide two numbers.
type divide = (_: {
a: number,
b: number,
}) => any;

// Multiply two numbers together.
type multiply = (_: {
a: number,
b: number,
}) => any;

} // namespace functions<|end|><|start|>user<|message|>What is 15 plus 27?<|end|><|start|>assistant<|channel|>analysis<|message|>We need to use the `add` function to sum 15 and 27.<|end|><|start|>assistant to=functions.add<|channel|>commentary json<|message|>{"a": 15, "b": 27}<|call|><|start|>functions.add to=assistant<|channel|>commentary<|message|>"42"<|end|><|start|>assistant<|channel|>final<|message|>The result is **42**.<|return|>