A and B went to the supermarket to buy skates, but found that neither of them had enough money to buy a pair of skates. There is a total of 30.2 yuan left. How much is a pair of skates?
甲乙两人去超市买溜冰鞋，结果发现两人带的钱都不够买一双，甲的钱少27.8元，乙的钱少30.6元，于是两人就合买了一双，这时两人的钱一共还剩30.2元，一双溜冰鞋多少元？
<gadget id="calculator">27.8 + 30.6 + 30.2</gadget>
<output>88.6</output>

<result>88.6</result>