The distance between A and B is 150 kilometers. If a car starts from A and travels m kilometers per hour, how many m kilometers will it be away from B in 5 hours?
甲、乙两地相距150千米，一辆汽车从甲地出发，每小时行m千米，5小时以后离乙地还有多少m千米．
<gadget id="calculator">150 - 5</gadget>
<output>145</output>

<result>145</result>