The ratio of the number of boys to girls in the sixth grade of Xiangyang Primary School is 9:8, how much less girls than boys
向阳小学六年级男生和女生人数的比是9：8，女生比男生少多少
<gadget id="calculator">9 - 8</gadget>
<output>1</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<result>1/9 = around 0.111111</result>