The original price of a TV is 990 yuan, but the current price is 880 yuan. How much is it cheaper to buy a TV now than before?
电视机原价990元，现价880元，现在买电视机比原来便宜多少钱？
<gadget id="calculator">990 - 880</gadget>
<output>110</output>

<result>110</result>