When a is less than how much, (5/6)a<(5/6).
当a小于多少时，(5/6)a＜(5/6)．
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(5/6) * (6/5)</gadget>
<output>1</output>

<result>1</result>