A movie theater has 26 rows of seats, the last row has 2 more seats than the previous row, and the last row has 70 seats. How many seats does this theater have?
某电影院有26排座位，后一排比前一排多两个座位，最后一排有70个座位，这个影院一共有多少个座位．
<gadget id="calculator">26 - 1</gadget>
<output>25</output>

<gadget id="calculator">25 * 2</gadget>
<output>50</output>

<gadget id="calculator">70 - 50</gadget>
<output>20</output>

<gadget id="calculator">20 + 70</gadget>
<output>90</output>

<gadget id="calculator">26 / 2</gadget>
<output>13</output>

<gadget id="calculator">90 * 13</gadget>
<output>1_170</output>

<result>1_170</result>