highway is 245 kilometers long, and a passenger car can complete the journey in 2.5 hours, and a truck can complete the journey in 3.5 hours. How much faster is the passenger car than the truck?
一条高速长245千米，一辆客车2.5小数行完全程，一辆货车3.5小时行完全程．客车的速度比货车的速度快多少？
<gadget id="calculator">245 / 2.5</gadget>
<output>98</output>

<gadget id="calculator">245 / 3.5</gadget>
<output>70</output>

<gadget id="calculator">98 - 70</gadget>
<output>28</output>

<result>28</result>