Liangliang and Congcong play the game of "rock, scissors, paper". They use the same number of stones to record, and give each other a stone once they lose. As a result, Liangliang wins 3 times, and Congcong has 9 more than before. how many times did they play the game?
亮亮和聪聪玩"石头、剪刀、布"的游戏，两人用同样多的石子做记录，输一次就给对方一颗石子，结果亮亮胜了3次，聪聪比原来多了9颗石子，他们共做了多少次游戏．
<gadget id="calculator">9 + 3 + 3</gadget>
<output>15</output>

<result>15</result>