I actually just made a [post on YSK ](https://www.reddit.com/r/YouShouldKnow/comments/jydtc6/ysk_the_difference_between_an_obelus_and_a/?utm_source=share&utm_medium=ios_app&utm_name=iossmf) about exactly this! The key is the division symbol being an **obelus** in the equation. Because an **obelus** follows PEMDAS, the procedure is 8 divided by 2 (4). Then 4 times 2+2 which would give us 16. Had the division symbol been a **Vinculum**, the answer would be 1. The post explains a little more in depth the differences between the symbols. Hope this helps!
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