The original price of a set of clothes is 400 yuan, and it is now on sale at a 40% discount. How much is the current price.
一套衣服原价400元，现在打六折出售．现价多少元．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">400 * (3/5)</gadget>
<output>240</output>

<result>240</result>