偵事一二 不求富貴，誰將富貴求之。 淺斟低吟，風前月下填詞。 柳三變

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Just to throw it out there, put it on the table, be really really honest...after all, math is not my thing I can come up with a solution right away. Let's see , to come up with the correct answer between two point, all I need is to walk the distance!

Start walking.....

12,261!

 

Simply solved ~~~

BTW。 the distance's measured by kilometers.