Students from a certain school line up for exercises. 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 total?
某校同学排队上操．如果每行站9人，则多37人；如果每行站12人，则少20人．一共有多少学生．
<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>