Counting from left to right, Qiangqiang ranks 5th, and counting from right to left, Qiangqiang ranks 8th. How many children are there in this row?
从左往右数，强强排第5，从右往左数，强强排第8，这一排一共有多少个小朋友？
<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">5 + 7</gadget>
<output>12</output>

<result>12</result>