There are 520 boys in Hope Primary School, more than girls (3/10). How many students are there in Hope Primary School?
希望小学有男生520人，比女生人数多(3/10)，希望小学共有多少人？
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">520 / (13/10)</gadget>
<output>400</output>

<gadget id="calculator">400 + 520</gadget>
<output>920</output>

<result>920</result>