364 students went to the lecture theater to watch the performance. After taking their seats, there were 4 rows of seats left empty, with 28 seats in each row. How many seats are there in this lecture theater?
364位同学到阶梯教室观看演出，入座后还剩4排座位空着，每排有28个座位．该阶梯教室共有多少个座位？
<gadget id="calculator">4 * 28</gadget>
<output>112</output>

<gadget id="calculator">364 + 112</gadget>
<output>476</output>

<result>476</result>