A pair of trousers is 48 yuan, and the price of a jacket is three times the price of the trousers. How much is the price of the trousers cheaper than the jacket?
一条裤子48元，一件上衣的价钱是裤子价钱的3倍，裤子比上衣便宜多少元？
<gadget id="calculator">48 * 3</gadget>
<output>144</output>

<gadget id="calculator">144 - 48</gadget>
<output>96</output>

<result>96</result>