The school has two conference rooms, large and small, with areas of 150m**2 and 100m**2 respectively. Class 6 and 1 assign cleaning tasks according to the ratio of the meeting room area. There are 14 people cleaning the small meeting room, how many people are cleaning the large meeting room?
学校有大、小两个会议室，面积分别为150m**2和100m**2．六1班按会议室面积的比来分配打扫任务，打扫小会议室的人有14人，打扫大会议室的有多少人？
<gadget id="calculator">14 * 150</gadget>
<output>2_100</output>

<gadget id="calculator">2_100 / 100</gadget>
<output>21</output>

<result>21</result>