There are 350 boys in Xincheng Primary School, and the ratio of boys to girls is 7:5. How many students are there in the whole school?
新城小学男生有350人，男生和女生人数的比是7：5，全校共有学生多少人？
<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">350 / (7/5)</gadget>
<output>250</output>

<gadget id="calculator">350 + 250</gadget>
<output>600</output>

<result>600</result>