The price of a set of sportswear is 126 yuan, and the price of the trousers is that of the top (4/5). How much is a pair of trousers?
有一套运动服的价格是126元，其中裤子的价格是上衣的(4/5)，一条裤子多少元？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 + (4/5)</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">126 / (9/5)</gadget>
<output>70</output>

<gadget id="calculator">126 - 70</gadget>
<output>56</output>

<result>56</result>