There are 90 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90名，女生人数是男生人数的(7/9)，实验小学一共有多少人？
<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">90 * (7/9)</gadget>
<output>70</output>

<gadget id="calculator">70 + 90</gadget>
<output>160</output>

<result>160</result>