There are 125 girls in the sixth grade, 25% more girls than boys, how many students are there in the whole grade?
六年级有女生125人，女生比男生多25%，全年级有多少人？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">125 / (5/4)</gadget>
<output>100</output>

<gadget id="calculator">100 + 125</gadget>
<output>225</output>

<result>225</result>