There are 2 bags of rice, the first bag contains 77 dry grams, and the second bag contains 103 kilograms. How many kilograms are taken from the second bag and put into the first bag, so that the number of kilograms in the first bag is twice that of the second bag.
有2袋大米，第一袋有77干克，第二袋有103千克．从第二袋取出多少千克放入第一袋，就能使第一袋的千克数是第二袋的2倍．
<gadget id="calculator">77 + 103</gadget>
<output>180</output>

<gadget id="calculator">1 + 2</gadget>
<output>3</output>

<gadget id="calculator">180 / 3</gadget>
<output>60</output>

<gadget id="calculator">103 - 60</gadget>
<output>43</output>

<result>43</result>