The distance between A and B cities is 460 kilometers. The truck drives from A to B at a speed of 60 kilometers per hour. After 2 hours, the bus drives from B to A. After another 3.4 hours, the two vehicles meet. How many kilometers do you travel?
甲乙两城相距460千米，货车以每小时60千米的速度从甲城开往乙城，2小时后，客车才从乙城开往甲城，又经过3.4小时两车相遇，客车每小时行多少千米？
<gadget id="calculator">60 * 2</gadget>
<output>120</output>

<gadget id="calculator">60 * 3.4</gadget>
<output>204</output>

<gadget id="calculator">460 - 120 - 204</gadget>
<output>136</output>

<gadget id="calculator">136 / 3.4</gadget>
<output>40</output>

<result>40</result>