The price of a jacket is 200 yuan, and the price of a pair of trousers is 109 yuan cheaper than that of a jacket. What is the price of the trousers?
一件上衣的价格是200元，一条裤子的价格比一件上衣便宜109元，这条裤子的价格是多少？
<gadget id="calculator">200 - 109</gadget>
<output>91</output>

<result>91</result>