Cars A and B set off from places A and B at the same time. When car A travels to the full distance (7/11), it meets car B. Car B continues to move forward at a speed of 40 kilometers per hour and travels another 154 kilometers. How many hours did it take for car A to meet when it arrived at point A for a kilometer?
甲、乙两车分别从A、B两地同时出发，当甲车行到全程的(7/11)时与乙车相遇，乙车继续以每小时40千米的速度前进，又行驶了154千米到达A地，甲车出发到相遇用了多少小时？
<gadget id="calculator">7 / 11</gadget>
<output>7/11 = around 0.636364</output>

<gadget id="calculator">1 - (7/11)</gadget>
<output>4/11 = around 0.363636</output>

<gadget id="calculator">(7/11) / (4/11)</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">1 / (7/4)</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">(4/7) / 40</gadget>
<output>1/70 = around 0.014286</output>

<gadget id="calculator">154 * (1/70)</gadget>
<output>11/5 = around 2.2</output>

<result>11/5 = around 2.2</result>