A bicycle, originally priced at 180 yuan, is now on sale at a store with a 15% discount. How much did you pay for this car?
一辆自行车，原价180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">180 * (17/20)</gadget>
<output>153</output>

<result>153</result>