A down jacket is priced at 50% of the purchase price of 560 yuan, and sold at a 20% discount on the price. How much is the price?
一件羽绒服按进价560元加价50%标价，按标价打八折出售，售价多少元．
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">560 * (3/2) * (4/5)</gadget>
<output>672</output>

<result>672</result>