There are more students in class A than in class B (1/10), how much less students in class B than in class A?
甲班学生比乙班学生多(1/10)，乙班学生比甲班学生少多少．
<gadget id="calculator">10 / 1</gadget>
<output>10</output>

<gadget id="calculator">1 + 10</gadget>
<output>11</output>

<gadget id="calculator">11 / 10</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">(11/10) - 1</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) / (11/10)</gadget>
<output>1/11 = around 0.090909</output>

<result>1/11 = around 0.090909</result>