If the number A increases (1/5), it is equal to the number B. What fraction of the number B is equal to the number A?
如果甲数增加(1/5)就与乙数相等，乙数相当于甲数的几分之几？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) / 1</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<result>6/5 = around 1.2</result>