There are 31 rows of seats in the economy class of an airliner, with 6 seats in each row. How many seats are there in economy class?
一架客机的经济舱有31排座位，每排有6个．经济舱一共有多少个座位？
<gadget id="calculator">6 * 31</gadget>
<output>186</output>

<result>186</result>