Dad bought a bicycle for Xiaoyu, the original price was 180 yuan, and now the store sells it at a 15% discount. How much did you pay for this bicycle?
爸爸给小雨买了一辆自行车，原价180元，现在商店打八五折出售．买这辆自行车用了多少元．
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">180 * (17/20)</gadget>
<output>153</output>

<result>153</result>