Let's analyze the operation given:
The `int` function is used to convert a floating-point number to an integer by truncating the decimal part.
Let's break it down step-by-step:
1. We start with the number `2.8`.
2. The `int` function truncates the decimal portion of the number.
3. The result is simply the integer part of the original number, which is `2`.
Therefore, the correct output for the given line of code is:
2