The distance between A and B is 28 kilometers. A, B, and C start from A to B at the same time. A drives a motorcycle and can only take one person at a time. The speed of the motorcycle is 44 kilometers per hour. A person walks 4 kilometers per hour. A first walks with B for several kilometers and then gets off the car. A immediately turns around to pick up C. When meeting C, he immediately leads C to point B. As a result, the three of them arrive at point B at the same time, asking B to walk. how many hours?
A、B两地相距28千米，甲、乙、丙三人同时从A地出发向B地前进，甲驾驶摩托车，每次只能带一人，摩托车的速度是每小时44千米，人步行每小时4千米，甲先带乙走若干千米后下车，甲立即转头接丙，遇丙后立即带丙驶向B地，结果三人同时到达B地，求乙步行了多少小时？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">10 / 3</gadget>
<output>10/3 = around 3.333333</output>

<gadget id="calculator">44 + (10/3) + 4</gadget>
<output>154/3 = around 51.333333</output>

<gadget id="calculator">28 / (154/3)</gadget>
<output>6/11 = around 0.545455</output>

<gadget id="calculator">(5/6) * (6/11)</gadget>
<output>5/11 = around 0.454545</output>

<gadget id="calculator">(5/11) + (6/11)</gadget>
<output>1</output>

<result>1</result>