Xiaoming and Xiaoliang play poker. They each have one card with points of 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10. They each play a card in each round. The one with the larger number of cards wins, and the point difference (big reduction) between the two cards is used as the score of the winning side, and the other side does not score. After 10 rounds of cards, what is the maximum sum of the total points of the two players?
小名、小亮两人玩扑克牌，他们手里各有点数为1、2、3、4、5、6、7、8、9、10的纸牌各一张，两人每轮各出一张牌，点数大的为胜，并将两张牌的点数差(大减小)，做为获胜一方的分数，另一方不得分．10轮牌出完之后，两人总分之和最大是多少．
<gadget id="calculator">6 + 7 + 8 + 9 + 10</gadget>
<output>40</output>

<gadget id="calculator">1 + 2 + 3 + 4 + 5</gadget>
<output>15</output>

<gadget id="calculator">40 - 15</gadget>
<output>25</output>

<gadget id="calculator">25 * 2</gadget>
<output>50</output>

<result>50</result>