There are 300 girls on the playground, 10% more than boys. How many boys are there on the playground? What is the column
操场上有女生300人，比男生多10%，操场上有男生多少人？列式是多少
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">300 / (11/10)</gadget>
<output>3_000/11 = around 272.727273</output>

<result>3_000/11 = around 272.727273</result>