If a computer is sold at the listed price, it can make a profit of 960 yuan, and if it is sold at 20% off the listed price, it will make a loss of 820 yuan. How much is the price of this computer?
一台电脑若按标价出售，可赢利960元，若按标价八折售出，则亏损820元．这台电脑标价是多少元？
<gadget id="calculator">960 + 820</gadget>
<output>1_780</output>

<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_780 / (1/5)</gadget>
<output>8_900</output>

<result>8_900</result>