The students participating in the queue are arranged. If there are 9 people in each row, there will be 37 more people. If there are 12 people in each row, there will be 20 fewer people. How many students are there in the queue?
参加队列的同学排列，如果每行站9人，则多37人，如果每行站12人，则少20人．求参加队列的同学有多少人？
<gadget id="calculator">37 + 20</gadget>
<output>57</output>

<gadget id="calculator">12 - 9</gadget>
<output>3</output>

<gadget id="calculator">57 / 3</gadget>
<output>19</output>

<gadget id="calculator">19 * 12</gadget>
<output>228</output>

<gadget id="calculator">228 - 20</gadget>
<output>208</output>

<result>208</result>