After solving 2 + 2, they treat the result as still being grouped with the 2, effectively interpreting the equation as:
8 ÷ 2(4)
From this perspective, 2(4) is handled as a single unit, leading to a final answer of 1.
Weighing in on the debate, Rhett Allain, a professor at Southeastern Louisiana University, compared the situation to another famous internet debate: “This is the math version of, ‘What color is this dress? Blue and black or gold and white?’”
He personally supports 16 but emphasizes that the issue is rooted in notation rather than pure mathematics:
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