There are 1,200 middle school students participating in group gymnastics training. Every 10 students are lined up in a row with a distance of 1.2 meters between the two rows. How many meters are the distance between the first and last rows?
有1200名中学生参加团体操训练，每10名排成一排，两排中间相隔1.2米，首尾两排相距多少米？
<gadget id="calculator">1_200 / 10</gadget>
<output>120</output>

<gadget id="calculator">120 - 1</gadget>
<output>119</output>

<gadget id="calculator">1.2 * 119</gadget>
<output>142.8</output>

<result>142.8</result>