What is the price of a 160 yuan coat after a 20% discount?
160元的上衣，打八折后的价钱为多少元．
<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>