From City A to City B, it takes 6 hours for a bus and 4 hours for a small bus. A bus and a small bus depart from the two cities opposite each other at the same time, and meet at a place 24 kilometers away from the midpoint of the two cities. How many miles is the distance between the two cities?
从甲城到乙城，大客车要行驶6小时，小客车要行驶4小时．一辆大客车和一辆小客车同时从两城相对开出，在离两城中点24千米的地方相遇．两城之间相距多少千米？
<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>