A and B are walking toward each other from two places at the same time. A travels 560 meters per hour, and B travels 390 meters per hour. After 3 hours, they are still 4 kilometers apart. How many meters are the distance between the two places?
甲、乙两人同时从两地相向而行，甲每小时行560米，乙每小时行390米，经过3小时两人还相距4千米．两地相距多少米？
<gadget id="calculator">560 + 390</gadget>
<output>950</output>

<gadget id="calculator">950 * 3</gadget>
<output>2_850</output>

<gadget id="calculator">4 * 1_000</gadget>
<output>4_000</output>

<gadget id="calculator">2_850 + 4_000</gadget>
<output>6_850</output>

<result>6_850</result>