A train body is 800 meters long and travels at a speed of 60 kilometers per hour. There are two tunnels on the railway. It takes 2 minutes for the train to enter the first tunnel at the front and leave the first tunnel at the rear, and 3 minutes for the train to enter the second tunnel at the rear and leave the second tunnel at the rear. The second tunnel takes 6 minutes. How many meters is the distance between the two tunnels?
一列火车的车身长800米，行驶的速度是每小时60千米，铁路上有两座隧洞．火车从车头进入第一个隧洞到车尾离开第一个隧洞用2分钟，从车头进入第二个隧洞到车尾离开第二个隧洞用3分钟，从车头进入第一个隧洞到车尾离开第二个隧洞共用6分钟．两座隧洞之间相距多少米？
<gadget id="calculator">60_000 / 60</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 * 6</gadget>
<output>6_000</output>

<gadget id="calculator">1_000 * 2</gadget>
<output>2_000</output>

<gadget id="calculator">2_000 - 800</gadget>
<output>1_200</output>

<gadget id="calculator">1_000 * 3</gadget>
<output>3_000</output>

<gadget id="calculator">3_000 - 800</gadget>
<output>2_200</output>

<gadget id="calculator">6_000 - 1_200 - 2_200 - 800</gadget>
<output>1_800</output>

<result>1_800</result>