Remove the percent sign of 12.5%, and the original number will be enlarged by how many times
把12.5%的百分号去掉，原来的数就扩大多少倍
<gadget id="calculator">12.5 / 100</gadget>
<output>0.125</output>

<gadget id="calculator">12.5 / 0.125</gadget>
<output>100</output>

<result>100</result>