There are 37 bags of tea in the red bag, and 73 bags of tea in the green bag. How many bags of tea are taken out from the green bag and given to the red bag, will the two bags have the same amount of tea?
红袋子里装有37包茶叶，绿袋子里装有73包茶，从绿袋子里拿出几包茶叶给红袋子，两个袋子的茶叶就一样多？
<gadget id="calculator">73 - 37</gadget>
<output>36</output>

<gadget id="calculator">36 / 2</gadget>
<output>18</output>

<result>18</result>