In the candlelight dinner in a certain area during the "Earth Blackout Hour" event in 2011, there are several rows of seats. If there are 30 people in each row, 8 people will have no seats; if there are 31 people in each row, 26 seats will be empty, then How many rows of seats are there.
在2011年"地球停电一小时"活动中某地区烛光晚餐中，设座位有若干排，若每排坐30人，则有8人无座位；每排坐31人，则空26个座位，则共有多少排座位．
<gadget id="calculator">26 + 8</gadget>
<output>34</output>

<gadget id="calculator">31 - 30</gadget>
<output>1</output>

<gadget id="calculator">34 / 1</gadget>
<output>34</output>

<result>34</result>