Xiaoxiao and Naughty started from the school and the Children's Palace respectively, and went towards each other. The two met for the first time 700 meters away from the school. After meeting, the two continued to move forward. Xiaoxiao returned immediately after arriving at the Children's Palace, and Naughty returned immediately after arriving at the school. The two met 500 meters away from the school. How many meters is the school from the Children's Palace?
笑笑和淘气分别从学校和少年宫两地出发，相向而行．两人在距学校700米第一次相遇．相遇后两人继续前进，笑笑到达少年宫后立即返回，淘气到达学校也立即返回，两人在距学校500米相遇．问学校距少年宫多少米？
<gadget id="calculator">700 * 3</gadget>
<output>2_100</output>

<gadget id="calculator">2_100 + 500</gadget>
<output>2_600</output>

<gadget id="calculator">2_600 / 2</gadget>
<output>1_300</output>

<result>1_300</result>