Xiaodong’s bank deposit in 2014 was 120.5% of that in 2013. How much did it increase in 2014 compared to 2013?
小东家2014年银行存款是2013年的120.5%，2014年比2013年增加多少．
<gadget id="calculator">120.5 / 100</gadget>
<output>1.205</output>

<gadget id="calculator">1.205 - 1</gadget>
<output>0.205</output>

<result>0.205</result>