Calculator is showing the result correctly which is 6.
As per bodmas rule 2 + (2 * 2) = 6
Typing 2+2*2 in google also results in 6.
For more information - http://www.mathsisfun.com/operation-order-
bodmas.html
** Changed in: gcalctool (Ubuntu)
Status: New => Invalid
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in Calculator 2+2
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/37159126/Dependencies.txt
** Attachment added: "ProcMaps.txt"
http://launchpadlibrarian.net/37159127/ProcMaps.txt
** Attachment added: "ProcStatus.txt"
http://launchpadlibrarian.net/37159128/ProcStatus.txt
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in Cal