The students played the ring game, and stipulated that "the middle and large circles get 5 points, the middle and middle circles get 4 points, and the middle and small circles get 2 points". Wen Hao sets 5 times, to get a full ten points, how many small circles can he get in the set?
同学们做套圈游戏，规定"套中大圈得5分，，套中中圈得4分，套中小圈得2分"．文昊套5次，要得到整十的分数，他可能套中多少个小圈
<result>5</result>