In the 29th Olympic Games, the Chinese sports delegation won a total of 51 gold medals, 12 more than three times the number of gold medals won by the South Korean team. How many medals did the South Korean team get? (solution with equation)
在第29届奥运会上中国体育代表团共获得金牌51枚，比韩国队获得金牌数的3倍还多12枚．韩国队得了多少枚？(用方程解答)
<gadget id="calculator">51 - 12</gadget>
<output>39</output>

<gadget id="calculator">39 / 3</gadget>
<output>13</output>

<result>13</result>