Class 1 of the fifth grade has 22 people participating in the Chinese competition, 32 people participating in the mathematics competition, and 27 people participating in the English competition. There are 15 people in the math competition and English competition. I would like to ask: What is the minimum total number of people participating in the competition in the fifth grade class?
五年级一班有22人参加语文竞赛，32人参加数学竞赛，27人参加英语竞赛，其中同时参加语文竞赛和数学竞赛的有12人，同时参加语文竞赛和英语竞赛的有14人，同时参加数学竞赛和英语竞赛的有15人．请问：五年级一班参加竞赛的总人数最少是多少？
<gadget id="calculator">81 - 30 - 8</gadget>
<output>43</output>

<result>43</result>