string of colorful lights is connected in series according to the combination of 1 red, 2 yellow and 3 green. There are 14 groups in total. How many lights are there in this string?
一串彩灯按1红2黄3绿的组合串连．一共有14组，这串彩灯一共有多少盏．
<gadget id="calculator">1 + 2 + 3</gadget>
<output>6</output>

<gadget id="calculator">6 * 14</gadget>
<output>84</output>

<result>84</result>