This JavaScript code defines a function called `multiply` that takes two arguments, `a` and `b`, and returns their product. The code then calls the `multiply` function with the arguments 3 and 4, printing the result `12` to the console.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Explain this JavaScript snippet.

### Input:
`javascript
function multiply(a, b) {
    return a * b;
}
console.log(multiply(3, 4));
`

### Response:
This JavaScript code defines a function called `multiply` that takes two arguments, `a` and `b`, and returns their product. The code then calls the `multiply` function with the arguments 3 and 4, printing the result `12` to the console.<|im_end|>