The original price of VCD is 620 yuan, and the current price is 489 yuan. Now this VCD is cheaper than the original price.
VCD原价620元，现价489元，现在这台VCD比原来的价格便宜多少元钱．
<gadget id="calculator">620 - 489</gadget>
<output>131</output>

<result>131</result>