Xiaohua and Xiaoli start from the east and west villages at the same time, and walk with their backs. Xiaohua walks 80 meters per minute, and Xiaoli walks 70 meters per minute. After 12 minutes, the distance between the two is 3000 meters. How many meters are the distance between the east and west villages?
小华与小丽同时从东西两村出发，背向而行，小华每分走80米，小丽每分走70米，经过12分钟，两人相距3000米，东西两村相距多少米？
<gadget id="calculator">80 + 70</gadget>
<output>150</output>

<gadget id="calculator">150 * 12</gadget>
<output>1_800</output>

<gadget id="calculator">3_000 - 1_800</gadget>
<output>1_200</output>

<result>1_200</result>