A number is 1.55 after removing the percent sign. The original number is the number of this number.
一个数去掉百分号后是1.55，原数是这个数的多少．
<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">1.55 * (1/100)</gadget>
<output>0.0155</output>

<gadget id="calculator">0.0155 / 1.55</gadget>
<output>0.01</output>

<result>0.01</result>