6 students line up to do exercises, every two students are separated by 2 meters, what is the total length of the team?
6个同学排成一排做操，每两个同学之间相隔2米，队伍一共长多少米．
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<result>10</result>