In the table tennis hall of Peking University, a total of 34 people are playing table tennis. Among them, there are 2 more tables for singles games than for doubles games. May I ask: How many tables are in the game in total?
北京大学乒乓球馆内，一共有34人正在进行乒乓球比赛，其中单打比赛的球台比双打比赛的球台多2张．请问：一共有多少张球台正在进行比赛？
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">34 - 4</gadget>
<output>30</output>

<gadget id="calculator">4 + 2</gadget>
<output>6</output>

<gadget id="calculator">30 / 6</gadget>
<output>5</output>

<gadget id="calculator">5 + 5 + 2</gadget>
<output>12</output>

<result>12</result>