The railway from Xi'an to Lanzhou is 676km long, which is 180km shorter than the railway from Lanzhou to Urumqi (1/3). How many kilometers is the railway from Lanzhou to Urumqi?
西安到兰州的铁路长676km，比兰州到乌鲁木齐的铁路长的(1/3)少180km，兰州到乌鲁木齐的铁路长多少千米？
<gadget id="calculator">676 + 180</gadget>
<output>856</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">856 / (1/3)</gadget>
<output>2_568</output>

<result>2_568</result>