The cartoon "Kung Fu Panda" was shown in the small screening hall of the cinema, and the price of each ticket was 25 yuan. There were still 9 vacant seats in the small hall during the screening. The total ticket price for this show was 775 yuan. How many seats are there in the small projection hall of the movie theater?
电影院的小放映厅放映动画片《功夫熊猫》，每张票价25元，放映时小厅还有9个空座位，本场共卖得票款775元．电影院的小放映厅一共有多少个座位？
<gadget id="calculator">775 / 25</gadget>
<output>31</output>

<gadget id="calculator">31 + 9</gadget>
<output>40</output>

<result>40</result>