Xiaoyu bought a bicycle, the original price was 1,800 yuan, and now the store sells it at a 15% discount. How much did you spend to buy this bicycle?
小雨买了一辆自行车，原价1800元，现在商店打八五折出售，买这辆车用了多少元？
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">1_800 * (17/20)</gadget>
<output>1_530</output>

<result>1_530</result>