A car travels at a constant speed on the highway and travels 180 kilometers in 2 hours. What is the speed of the car?
一辆轿车在高速公路上匀速行驶，2小时行驶了180千米，轿车的速度可以记作多少．
<gadget id="calculator">180 / 2</gadget>
<output>90</output>

<result>90</result>