A car has driven 1/3 of the way from city A to city B, and there are still 240 kilometers left. How many kilometers is the distance between the two cities?
一辆汽车从甲城开往乙城，已经行驶了全程的(1/3)，还剩下240千米．甲乙两城间全程有多少千米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">240 / (2/3)</gadget>
<output>360</output>

<result>360</result>