动 从里面到外面, 离开说话人所在的位置
出去买菜 | 他出去了 | 出去了几个人。
I think “几个人出去了。” could be translated by “a few people [left]/[went outside]”. But I'm not at all sure about the meaning of “出去了几个人。”
It's just some basic vocabulary, but I feel like maybe I'm missing something important here... Help!