Sure, I'd be happy to help you with that! When someone says "a piece of cake," they're using a common English idiom. It means something is very easy or simple to do, just like how easily you can eat a piece of cake. So, if someone tells you that a task is "a piece of cake," they're saying that it's effortless and won't require much effort at all. Keep in mind, though, that this phrase isn't talking about literal cake! Do you have any other questions about English idioms?
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