It is 240 kilometers from place A to place B. A person rides a motorcycle from place A to place B, and travels 60 kilometers in one hour. At this speed, how many more hours will he have to travel to reach place B?
甲地到乙地240千米，某人从甲地骑摩托车去乙地，1小时行了60千米，照这样的速度，他还要再行多少小时到达乙地．
<gadget id="calculator">240 - 60</gadget>
<output>180</output>

<gadget id="calculator">60 / 1</gadget>
<output>60</output>

<gadget id="calculator">180 / 60</gadget>
<output>3</output>

<result>3</result>