34 students in class two of grade three bought mineral water at a tourist attraction when they went out for a spring outing under the leadership of two teachers. 1 yuan per bottle, buy 5 bottles and get 1 free. Think about it, how much would it cost if each person sent a bottle?
三年级二班34名同学在两位老师的带领下外出春游时，在旅游景点买矿泉水．每瓶1元，买5瓶送1瓶，想一想，如果每人发一瓶要花多少钱？
<gadget id="calculator">35 - 7</gadget>
<output>28</output>

<gadget id="calculator">1 * 1</gadget>
<output>1</output>

<gadget id="calculator">28 + 1</gadget>
<output>29</output>

<result>29</result>