The distance between A and B is 522 kilometers. A car travels from A to B at 47 kilometers per hour. A motorcycle travels 40 kilometers per hour from B to A. After a few hours, the two cars can travel meet?
甲乙两地相距522千米，一辆汽车从甲地开往乙地，每小时行驶47千米，一辆摩托车每小时行40千米从乙地开往甲地，几小时后两车能够相遇？
<gadget id="calculator">47 + 40</gadget>
<output>87</output>

<gadget id="calculator">522 / 87</gadget>
<output>6</output>

<result>6</result>