Dad bought a bicycle for Xiaoyu, the original price was 500 yuan, and now the store sells it at a 15% discount. How much did you pay for this car?
爸爸给小雨买了一辆自行车，原价500元，现在商店打八五折出售．买这辆车用了多少钱？
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">500 * (17/20)</gadget>
<output>425</output>

<result>425</result>