The price of a bicycle is 160 yuan, and it is sold with a 20% discount, how much is the price?
一辆自行车价格是160元，打八折销售，则售价为多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">160 * (4/5)</gadget>
<output>128</output>

<result>128</result>