There are 180 students in the fifth grade, and the fifth grade is more than the sixth grade (5/7). How many students are there in the sixth grade?
五年级有学生180人，五年级比六年级多(5/7)，六年级有多少人？
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">1 + (5/7)</gadget>
<output>12/7 = around 1.714286</output>

<gadget id="calculator">180 / (12/7)</gadget>
<output>105</output>

<result>105</result>