Naughty and Dad participated in the national fitness long-distance running competition. When the whistle sounded, the race started. When Naughty ran to 2400 meters, Dad ran to 1/3 of the whole distance. When Dad reached the finish line, Naughty only ran to 60% of the whole distance. , how many meters is the whole race this time?
淘气和爸参加全民健身长跑比赛，一声哨响，比赛开始了，当淘气跑到2400米时，爸爸跑到全程的(1/3)，当爸爸到达终点时，淘气只跑到全程的60%，这次比赛全程是多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) / 5</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">3 * (1/15)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2_400 / (1/5)</gadget>
<output>12_000</output>

<result>12_000</result>