There are 98 boys and 112 girls in the first grade of Hongxing Primary School. The number of first graders is the second grade (7/9). How many people are there in the second grade?
红星小学一年级有男生98人，女生112人，一年级的人数是二年级的(7/9)，二年级有多少人？
<gadget id="calculator">98 + 112</gadget>
<output>210</output>

<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">210 / (7/9)</gadget>
<output>270</output>

<result>270</result>