Hope that there are 216 students in the third grade of elementary school, 6 more than the fourth grade (7/8). How many students are there in the fourth grade?
希望小学三年级有学生216人，比四年级的(7/8)多6人，四年级有学生多少人？
<gadget id="calculator">216 - 6</gadget>
<output>210</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">210 / (7/8)</gadget>
<output>240</output>

<result>240</result>