During the May Day period, shopping malls have discounts and promotions. A fashionable mobile phone originally priced at 1,500 yuan is on sale at a 20% discount. How much can you save by buying this mobile phone during the promotion period?
五一期间，商场打折促销．一款原来售价1500元的时尚手机打八折出售，促销期间买这款手机可以节省多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1_500 * (1/5)</gadget>
<output>300</output>

<result>300</result>