A jacket is 250 yuan, and three pairs of trousers are 375 yuan. How much is a pair of trousers cheaper than a jacket?
一件上衣250元，3条裤子375元，一条裤子比一条上衣便宜多少元？
<gadget id="calculator">375 / 3</gadget>
<output>125</output>

<gadget id="calculator">250 - 125</gadget>
<output>125</output>

<result>125</result>