Covert 0 (Zero)

Can you convert the number zero(0) into a positive number using just one mathematical operator ?




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John bought 150 chocolates but he misplaced some of them. His Father asked him how many chocolates were misplaced.
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If you count in threes, two remain
If you count in fours, three remain
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You can use the main signs add, subtract multiply and divide.

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Gamers

In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.