truck and a bus are traveling toward each other from east to west at the same time. The truck travels 46 kilometers per hour, and the bus travels 40 kilometers per hour. The two vehicles meet at a distance of 15 kilometers from the midpoint. How many kilometers is the distance between the east and the west?
货车和客车同时从东西两地相向而行，货车每小时行46千米，客车每小时行40千米，两车在离中点15千米处相遇．求东西两地相距多少千米？
<gadget id="calculator">46 - 40</gadget>
<output>6</output>

<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">46 + 40</gadget>
<output>86</output>

<gadget id="calculator">15 * (1/3) * 86</gadget>
<output>430</output>

<result>430</result>