From City A to City B, it takes 6 hours for a bus to travel on the road, and 4 hours for a small bus. Two cars depart from the two cities opposite each other and meet at a distance of 24 kilometers from the midpoint of the road. How many miles is the road between A and B?
从甲城到乙城，大客车在公路上要行驶6小时，小客车要行驶4小时．两辆汽车分别从两城相对开出，在离公路中点24千米处相遇．甲、乙两城的公路长多少千米．
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5) - (2/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2 / (1/5)</gadget>
<output>10</output>

<gadget id="calculator">24 * 10</gadget>
<output>240</output>

<result>240</result>