The height of mother deer is 1.72 meters, and the height of father deer is 0.84 meters more than three times that of mother deer. How tall is the deer father?
鹿妈妈的身高是1.72米，鹿爸爸的身高是鹿妈妈的3倍还多0.84米．鹿爸爸的身高是多少米？
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