The number A is 8, the number B is 5, (8-5)/5=60%, which means how much more the number A is than the number B
甲数是8，乙数是5，(8-5)/5=60%，表示甲数比乙数多多少
<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>