There are 180 students in the second grade of the experimental primary school, which is less than the third grade (1/6). How many students are there in the third grade?
实验小学二年级有学生180人，比三年级少(1/6)，三年级有学生多少人？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">180 / (5/6)</gadget>
<output>216</output>

<result>216</result>