A piece of clothing is 34 yuan, 15% cheaper than the original, how much cheaper than the original?
一件衣服34元，比原来便宜15%，比原来便宜多少元？
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 - (3/20)</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">34 / (17/20)</gadget>
<output>40</output>

<gadget id="calculator">40 - 34</gadget>
<output>6</output>

<result>6</result>