If the number A is more than the number B (1/5), then the number B is less than the number A.
如果甲数比乙数多(1/5)，则乙数比甲数少多少．
<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">6 - 5</gadget>
<output>1</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>