my country has a vast territory, the distance between east and west is 5200km, and the distance between north and south is east to west (55/52). How many kilometers is the distance between north and south?
我国幅员辽阔，东西相距5200km，南北相距是东西的(55/52)．南北相距多少千米？
<gadget id="calculator">55 / 52</gadget>
<output>55/52 = around 1.057692</output>

<gadget id="calculator">5_200 * (55/52)</gadget>
<output>5_500</output>

<result>5_500</result>