When Xiaoping lined up, there were 5 people in front of her and 7 people behind her. How many people are there in this team?
小平排队伍时她前面有5人，她后面有7人，这一队共有多少人．
<gadget id="calculator">5 + 7 + 1</gadget>
<output>13</output>

<result>13</result>