A and B have a total of 9.2 yuan, and later they both spend 1.6 yuan. As a result, A's money is three times that of B's. How much money does A have?
甲、乙二人共有钱9.2元，后来两人都花去1.6元，结果此时甲的钱是乙的3倍，则原来甲有多少元．
<result>7.5</result>