The lecture theater originally had 30 rows of seats, with 36 people in each row. After the expansion, 6 rows were added, and 432 more people were seated than before. After the expansion, how many people can each row seat on average?
阶梯教室原有座位30排，每排36人，扩建后增加6排，比原来多坐432人，扩建后平均每排坐多少人？
<gadget id="calculator">432 / 6</gadget>
<output>72</output>

<result>72</result>