A children's suit is priced at 170 yuan in the Red Sun clothing store and 136 yuan online. How much cheaper is the online price?
一款儿童套装，红太阳服装店售价170元，网上售价136元，网上售价便宜百分之几？
<gadget id="calculator">170 - 136</gadget>
<output>34</output>

<gadget id="calculator">34 / 170</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>