The original price of a repeater is 320 yuan. Now the price has been reduced by 20% twice in a row. What is the current price?
一种复读机原价是320元，现在连续两次降价20%，现价是多少元．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">320 * (4/5) * (4/5)</gadget>
<output>1_024/5 = around 204.8</output>

<result>1_024/5 = around 204.8</result>