There are two bags of rice in the cafeteria. The first bag weighs 150 kg. If 30 kg is taken out of the first bag and given to the second bag, the rest of the first bag will be 10 kg more than the second bag. It turns out that the weight of the second bag is How many kilograms?
食堂有两袋大米，第一袋重150千克，如果从第一袋中拿出30千克给第二袋，那么第一袋剩下的还比第二袋多10千克，原来第二袋大米重多少千克？
<gadget id="calculator">30 * 2</gadget>
<output>60</output>

<gadget id="calculator">150 - 60 - 10</gadget>
<output>80</output>

<result>80</result>