The original price of a coat is 300 yuan, and it is now on sale with a 20% discount. What is the current price?
一件上衣原价300元，现打八折销售，现价多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">300 * (4/5)</gadget>
<output>240</output>

<result>240</result>