A group of students do morning exercises, Xiao Ming is the sixth from the front, and Xiao Ming is the fourth from the back, so how many people are there in this team?
一队同学做早操，从前面数小明是第六个，从后面数小明是第4个，那么这队有多少人．
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">5 + 3 + 1</gadget>
<output>9</output>

<result>9</result>