Fifth grade students do exercises, every 9 people or every 12 people are just right. It is known that the number of fifth graders is between 160 and 190. How many people are there in fifth grade?
五年级同学做操，每9人一队成或每12人一队都正好，已知五年级人数在160～190人之间，五年级有多少人？
<gadget id="calculator">2 * 2 * 3 * 3</gadget>
<output>36</output>

<gadget id="calculator">36 * 5</gadget>
<output>180</output>

<result>180</result>