Four volleyball teams play a single round-robin game, that is, every two teams have to play one game, and only one game. If the score of a game is 3:0 or 3:1. The winning team gets 3 points and the losing team gets 0 points; if the score is 3:2, the winning team gets 2 points and the losing team gets 1 point. As a result of the game, if the scores of each team are exactly four consecutive natural numbers, what is the score of the first place?
四支排球队进行单循环比赛，即每两队都要赛一场，且只赛一场．如果一场比赛的比分是3：0或3：1．则胜队得3分，负队得0分；如果比分是3：2，则胜队得2分，负队得1分．比赛的结果各队得分恰好是四个连续的自然数，则笫一名的得分是多少分．
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">4 * (3/2)</gadget>
<output>6</output>

<result>6</result>