Xiao Ming bought 7 bottles of mineral water in the supermarket. He paid the salesperson 10 yuan and got back 1.04 yuan. How much is each bottle of mineral water?
小明在超市购买了7瓶矿泉水，他付给营业员10元钱，找回了1.04元，每瓶矿泉水多少元？
<gadget id="calculator">10 - 1.04</gadget>
<output>8.96</output>

<gadget id="calculator">8.96 / 7</gadget>
<output>1.28</output>

<result>1.28</result>