Mom spends 200 yuan to buy clothes, 154 yuan to buy a top, and the rest of the money just bought a pair of trousers. How much more expensive is the top than the trousers?
妈妈拿200元买衣服，买上衣用了154元，余下的钱刚好买了一条裤子，上衣比裤子贵多少钱？
<gadget id="calculator">200 - 154</gadget>
<output>46</output>

<gadget id="calculator">154 - 46</gadget>
<output>108</output>

<result>108</result>