There are 30 rows of seats in the west stand of a gymnasium, and the rear row has 2 more seats than the front row. It is known that the first row has 74 seats, and the last row has 132 seats. How many seats are there in the west stand of the stadium?
某体育馆西侧看台有30排座位，后一排都比前排多2个座位，已知第一排有74个座位，最后面一排有132个座位．体育馆西侧看台共有多少个座位？
<gadget id="calculator">132 + 74</gadget>
<output>206</output>

<gadget id="calculator">30 / 2</gadget>
<output>15</output>

<gadget id="calculator">206 * 15</gadget>
<output>3_090</output>

<result>3_090</result>