The image is a Twitter thread. A user, Vural Aksankur, posted a picture with the caption "Sila ambulans soforu olur anca" (Sila only becomes an ambulance driver). The joke is about someone named Sila, who is possibly a student or someone else close to the author. The phrase "only" implies that there's some other condition, and that being an ambulance driver might be viewed as a goal or a role that is hard to achieve for Sila. The important part is the next line, "(-2).(-3)". This is a math expression, and the answer is 6. In Turkey, some humor revolves around using mathematics in a humorous, often absurd context, and this is such an example. The subsequent comment by Sila (@nvaksankur) who responds "Sıla doktor olmak istiyor" (Sila wants to be a doctor), which is a possible continuation of the absurdity, making it relevant to the first part of the conversation. The implication is that the initial statement, "only becomes an ambulance driver", is not serious. This is likely a playful, almost sarcastic remark, suggesting that the "criteria" for becoming an ambulance driver are too high and that she has other aspirations. Therefore, the joke plays on the juxtaposition of a seemingly serious expression with a contrasting (and perhaps unrealistic) ambition. In essence, the humor comes from the unexpected mathematical equation in the middle of a social media conversation related to a personal goal or aspiration.