Two trains of freight cars, A and B, are traveling toward each other from two places 696 kilometers apart. Car A travels 57 kilometers per hour, and car B travels 43 kilometers per hour. Car B starts first and then A does not leave until 2 hours later. How many hours later does car A meet car B?
甲、乙两列货车从相距696千米的两地相向而行，甲车每小时行57千米，乙车每小时行43千米，乙车先出发2小时后，甲车才出发．甲车行几小时后与乙车相遇？
<gadget id="calculator">43 * 2</gadget>
<output>86</output>

<gadget id="calculator">696 - 86</gadget>
<output>610</output>

<gadget id="calculator">57 + 43</gadget>
<output>100</output>

<gadget id="calculator">610 / 100</gadget>
<output>61/10 = around 6.1</output>

<result>61/10 = around 6.1</result>