A school had 180 sixth-grade students last year, and this year it has increased (1/6) compared to last year. How many sixth-grade students are there in this school this year?
一个学校去年六年级的学生人数是180人，今年比去年增加了(1/6)，这个学校今年六年级有学生多少人？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 + (1/6)</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">180 * (7/6)</gadget>
<output>210</output>

<result>210</result>