How many 1% are there in 15%. How many
15%里面有几个1%．多少
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">(3/20) / (1/100)</gadget>
<output>15</output>

<result>15</result>