An airplane travels 810 kilometers per hour, which is about 9 times that of a car. How many kilometers does a car travel per hour?
飞机每小时行810千米，大约是汽车的9倍，汽车每小时大约行驶多少千米．
<gadget id="calculator">810 / 9</gadget>
<output>90</output>

<result>90</result>