The distance between A and B is 294 kilometers. A passenger car and a truck start from the two places one after another and drive towards each other. The truck leaves first for 0.5 hours and then the bus leaves. It is known that the truck travels 60 kilometers per hour, and the speed of the bus is 1.2 times that of the truck. How many hours after the bus leaves, the two cars meet?
甲、乙两地相距294千米，一辆客车和一辆货车先后从两地出发，相向而行．货车先开出0.5小时后客车开出，已知货车每小时行60千米，客车的速度是货车的1.2倍．客车开出几小时后两车相遇？
<gadget id="calculator">0.5 * 60</gadget>
<output>30</output>

<gadget id="calculator">294 - 30</gadget>
<output>264</output>

<gadget id="calculator">1 + 1.2</gadget>
<output>2.2</output>

<gadget id="calculator">60 * 2.2</gadget>
<output>132</output>

<gadget id="calculator">264 / 132</gadget>
<output>2</output>

<result>2</result>