There were x people in class 51 last semester, 3 people were transferred in this semester, and 2 people were transferred away. How many people are there in this semester?
五1班上学期有x人，本学期转来3人，转走2人．本学期有多少人．
<gadget id="calculator">3 - 2</gadget>
<output>1</output>

<result>1</result>