There are 200 students in the sixth grade, the number of the fifth grade is less than that of the sixth grade (1/8), the number of the fifth grade is equal to the number of the sixth grade
六年级有学生200人，五年级的人数比六年级少(1/8)，五年级人数相当于六年级人数的多少
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</output>

<result>7/8 = around 0.875</result>