There are 180 students in the fifth grade, and the sixth grade is the fifth grade (5/9). How many students are there in the sixth grade?
五年级有学生180人，六年级是五年级人数的(5/9)，六年级有多少人？
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">180 * (5/9)</gadget>
<output>100</output>

<result>100</result>