The road from Beijing to Tianjin is 120 kilometers long, and it takes 2 hours for a truck to travel. What is the speed of the truck?
北京到天津的公路长120千米，货车要行2小时，货车的速度是多少．
<gadget id="calculator">120 / 2</gadget>
<output>60</output>

<result>60</result>