The number A is 12.5% less than the number B, what is the ratio of the number B to the number A
甲数比乙数少12.5%，乙数与甲数的比是多少
<gadget id="calculator">12.5 / 100</gadget>
<output>0.125</output>

<gadget id="calculator">1 - 0.125</gadget>
<output>0.875</output>

<gadget id="calculator">1 / 0.875</gadget>
<output>1.142857</output>

<result>1.142857</result>