A pair of sports shoes, originally priced at 200 yuan, are now on sale at a 15% discount. What is the current price?
一双运动鞋，原价是200元，现在打八五折出售，现价多少元．
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">200 * (17/20)</gadget>
<output>170</output>

<result>170</result>