The children line up for morning exercises. Counting from the front, Xiaoqiang is the 6th, and counting from the back, Xiaoqiang is also the 6th. How many children are there in this queue?
小朋友排队做早操，从前面数起，小强在第6位，从后面数起，小强也是第6位，这个队列有多少个小朋友？
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">6 + 5</gadget>
<output>11</output>

<result>11</result>