A car travels at a constant speed on the highway and travels 150 kilometers in 3 hours. What is the speed of the car?
一辆汽车在高速公路上匀速行驶，3小时行驶了150千米，汽车的速度是多少．
<gadget id="calculator">150 / 3</gadget>
<output>50</output>

<result>50</result>