The road from Tianmen to Wuhan is 150 kilometers long, and it takes 2 hours to travel by car. What is the speed of the car in kilometers?
天门到武汉的公路长150千米，汽车要行2小时，汽车的速度是多少千米
<gadget id="calculator">150 / 2</gadget>
<output>75</output>

<result>75</result>