There are 23 rows of seats under the rostrum, and each row can seat 9 people. Question: How many people can be seated in the school’s small conference room?
学校小会议室的主席台上可以坐10人，主席台下有23排座位，每排可以坐9人，问：学校小会议室一共可以坐多少人？
<gadget id="calculator">23 * 9</gadget>
<output>207</output>

<gadget id="calculator">207 + 10</gadget>
<output>217</output>

<result>217</result>