There are 900 boys in the experimental primary school, and the number of girls is 7/9 of the number of boys. How many students are there in the experimental primary school?
实验小学有男生900名，女生人数是男生人数的(7/9)，实验小学一共有几人？
<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">1 + (7/9)</gadget>
<output>16/9 = around 1.777778</output>

<gadget id="calculator">900 * (16/9)</gadget>
<output>1_600</output>

<result>1_600</result>