A color TV is priced at 880 yuan after a 20% price cut. How much is the price cut for this TV?
一台彩色电视机降价20%后售价是880元，这台电视机降价了多少元？
<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">880 / (4/5)</gadget>
<output>1_100</output>

<gadget id="calculator">1_100 * (1/5)</gadget>
<output>220</output>

<result>220</result>