my country has a vast territory, with a distance of 4300km from east to west, and the distance from east to west is north to south (43/45). How many kilometers is the distance from north to south?
我国幅员辽阔，东西相距4300km，东西相距是南北的(43/45)，南北相距多少千米？
<gadget id="calculator">43 / 45</gadget>
<output>43/45 = around 0.955556</output>

<gadget id="calculator">4_300 / (43/45)</gadget>
<output>4_500</output>

<result>4_500</result>