When Xiaofang goes to school, (3/7) is an uphill road, (2/7) is a downhill road, and the rest are flat roads. The uphill road is 800 meters for a round trip. How many meters away is her home from the school?
小芳上学，有(3/7)是上坡路，(2/7)是下坡路，其余是平路，往返一次走上坡路800米，她家距学校多少米？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">(3/7) + (2/7)</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">800 / (5/7)</gadget>
<output>1_120</output>

<result>1_120</result>