The speed of a passenger plane is 870 kilometers, which is 45 kilometers more than 11 times the speed of a car. What is the speed of a car in kilometers? (First use the equation to solve, and then use the arithmetic method to solve)
一架客机的速度是870千米，比汽车速度的11倍还多45千米，汽车的速度是多少千米？(先用用方程解，再用算术方法解)
<gadget id="calculator">870 - 45</gadget>
<output>825</output>

<gadget id="calculator">825 / 11</gadget>
<output>75</output>

<result>75</result>