There is a kind of clothes in the shop, the price is 340 yuan, which is 15% cheaper than the original price, how much is the original price?
商店有一种衣服，售价340元，比原来定价便宜15%，原来定价多少元？
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 - (3/20)</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">340 / (17/20)</gadget>
<output>400</output>

<result>400</result>