The current unit price of a woolen sweater is 12.5% lower than the original one. What is the current unit price in percent of the original?
一种羊毛衫现在的单价比原来降低了12.5%．现在的单价是原来的百分之几？
<gadget id="calculator">12.5 / 100</gadget>
<output>0.125</output>

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

<result>0.875</result>