Xiaoqiao and Xiaoya insist on going to school for morning jogs every day. On a circular track, two people start from the same place and run in opposite directions. Xiaoqiao runs 2 meters per second, Xiaoya runs 3 meters per second, and the two meet after 1 minute and 20 seconds. How long is the school runway?
小巧和小亚每天坚持到学校进行晨跑．在环形跑道上，两人从同一地点出发，沿着相反方向跑步．小巧每秒跑2米，小亚每秒跑3米，经过1分20秒两人相遇．学校跑道长多少米？
<gadget id="calculator">2 * 80</gadget>
<output>160</output>

<gadget id="calculator">3 * 80</gadget>
<output>240</output>

<gadget id="calculator">160 + 240</gadget>
<output>400</output>

<result>400</result>