And the question is, so how many pigs does he have, and how many chickens does he have? Wow. What a deep problem, right? But you're going to see why we're going to use this in a second. So you know how to solve this, this is a fifth-grade problem, right?
为了避免歧义,这些猪和鸡都是健全的,现在问题是它到底有多少只猪和鸡呢?,多深刻的一个问题啊,对吗?,但是你将要看到的是,我们为什么要举这个例子,你知道如何解答这个问题?
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