The speed of the car is 35 km/h, the speed of a train is 30 km/h more than the speed of the car, the speed of the plane is 4 times that of the train, what is the speed of the plane?
汽车的速度是35千米/时，一列火车的速度比汽车多30千米/时，飞机的速度是火车的4倍，这架飞机的速度是多少？
<gadget id="calculator">35 + 30</gadget>
<output>65</output>

<gadget id="calculator">65 * 4</gadget>
<output>260</output>

<result>260</result>