A pair of trousers is 174 yuan, 13% cheaper than a jacket, how much is a jacket.
一条裤子174元，比一件上衣便宜13%，一件上衣多少元．
<gadget id="calculator">13 / 100</gadget>
<output>13/100 = around 0.13</output>

<gadget id="calculator">1 - (13/100)</gadget>
<output>87/100 = around 0.87</output>

<gadget id="calculator">174 / (87/100)</gadget>
<output>200</output>

<result>200</result>