What does a peice of cake mean?

It's often used to describe a task or challenge that is simple and straightforward, requiring little effort or skill.

For example:

* "Passing that test was a piece of cake. I studied for only an hour."

* "Fixing the broken chair was a piece of cake for my dad."

* "The puzzle was a piece of cake for her, she's really good at puzzles."

The phrase likely originated from the idea that eating a piece of cake is a simple and enjoyable task, suggesting that other tasks can be just as easy.