Hope Primary School has 90 students in the fifth grade and 100 students in the sixth grade. How many percent are the fifth grade students less than the sixth grade students?
希望小学五年级共有学生90人，六年级共有学生100人，五年级学生比六年级学生少百分之几？
<gadget id="calculator">100 - 90</gadget>
<output>10</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>