The number of A is 45, and the number of B is 40, then (45-40)/40=12.5%. Indicates how much more number A is than number B
甲数是45，乙数是40，那么(45-40)/40=12.5%．表示甲数比乙数多多少
<gadget id="calculator">45 - 40</gadget>
<output>5</output>

<gadget id="calculator">5 / 40</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>