What is the actual answer to 8 divided by 2 parentheses 2 plus 2 viral math problem
I keep seeing this on TikTok and Twitter and everyone argues in the comments. Please settle this once and for all:
Some people say its 1 because they do the parentheses first: , then .
Others say its 16: working left to right after parentheses.
I learned PEMDAS but my friend says implicit multiplication is different. Whats the actual answer according to real mathematicians? Does the symbol matter vs writing it as a fraction ?
2 answers1.3k views
5 comments
Random RantApr 24, 2026
no way its 16. i had straight As in math and my teacher said implied multiplication comes first.
Prof. Chen WeiApr 24, 2026
that teacher is wrong. source: im a math professor. theres no such thing as "implied multiplication priority" in standard notation.
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2 Answers
The correct answer is 16 if you follow standard modern convention, but the expression is deliberately written to be ambiguous.
**Standard modern interpretation (used by mathematicians and most textbooks):**
$8 \div 2(2+2)$
Step 1: Parentheses: $2+2 = 4$, giving $8 \div 2(4)$
Step 2: Multiplication and division have EQUAL precedence, evaluated LEFT to RIGHT:
$8 \div 2 = 4$, then $4 \times 4 = 16$
**Why some people get 1:**
They interpret $2(4)$ as "implicit multiplication" that has higher priority than explicit division. This was common in older textbooks and some physics conventions.
**The real answer:** The expression is a deliberately ambiguous meme. In professional mathematics, we use fractions instead of the $\div$ symbol:
$$\frac{8}{2(2+2)} = 1 \quad \text{vs} \quad \frac{8}{2}(2+2) = 16$$
The horizontal bar removes all ambiguity. This is why $\div$ is rarely used beyond elementary school.
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yo i always thought it was 1 because of the parenthesis thing but i guess i was wrong???
my casio calculator says 1 but my phone says 16. what a world we live in
i think the real lesson is to never write $\div$ and always use fractions. that way nobody gets confused
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