There are 180 students in the fifth grade of Dongfeng Primary School, which is more than the sixth grade (1/9). How many students are there in the sixth grade?
东风小学五年级有学生180人，比六年级的人数多(1/9)，六年级有学生多少人？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 + (1/9)</gadget>
<output>10/9 = around 1.111111</output>

<gadget id="calculator">180 / (10/9)</gadget>
<output>162</output>

<result>162</result>