A supermarket brought in 130 kilograms of Chinese cabbage in the morning, but in the afternoon it brought in 50 kilograms less than twice the amount in the morning. How many kilograms of Chinese cabbage did the supermarket transport less in the morning than in the afternoon?
某超市上午运进大白菜130千克，下午运进的比上午的2倍少50千克．超市上午比下午少运进大白菜多少千克？
<gadget id="calculator">130 * 2</gadget>
<output>260</output>

<gadget id="calculator">260 - 50 - 130</gadget>
<output>80</output>

<result>80</result>