The distance from A to B is 186.83 kilometers. Wang Liang started from A by bicycle and traveled 47.6 kilometers in 4 hours. At this speed, how many hours will it take for him to reach B?
从甲地到乙地的路程是186.83千米，王亮骑自行车从甲地出发，4小时行了47.6千米．按这样的速度，他还要几小时才能到达乙地？
<gadget id="calculator">47.6 / 4</gadget>
<output>11.9</output>

<gadget id="calculator">186.83 / 11.9</gadget>
<output>15.7</output>

<gadget id="calculator">15.7 - 4</gadget>
<output>11.7</output>

<result>11.7</result>